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This is a list of companies in London, England.
London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
is the capital city of England and the United Kingdom. With an estimated 8,308,369 residents in 2012, London is the most populous region,
urban zone An urban area, built-up area or urban agglomeration is a human settlement with a high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, ...
and
metropolitan area A metropolitan area or metro is a region that consists of a densely populated urban agglomeration and its surrounding territories sharing industries, commercial areas, transport network, infrastructures and housing. A metro area usually ...
in the United Kingdom.According to the European Statistical Agency, London is the largest larger urban zone which uses
conurbation A conurbation is a region comprising a number of metropolises, cities, large towns, and other urban areas which through population growth and physical expansion, have merged to form one continuous urban or industrially developed area. In most cas ...
s and areas of high population as its definition. A ranking of population within municipal boundaries places London first. However, the University of Avignon in France claims that
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. Si ...
is first and London second when including the whole urban area and
hinterland Hinterland is a German word meaning "the land behind" (a city, a port, or similar). Its use in English was first documented by the geographer George Chisholm in his ''Handbook of Commercial Geography'' (1888). Originally the term was associate ...
, that is the outlying cities as well The city generates approximately 20 per cent of the UK's GDP; while the economy of the London metropolitan area— the largest in Europe—generates approximately 30 per cent of the UK's GDP. London is one of the pre-eminent financial centres of the world and vies with
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
as the most important location for international finance. Over half of the UK's top 100 listed companies (the
FTSE 100 The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" , is a share index of the 100 companies listed on the London Stock Exchange with (in principle) the highest marke ...
) and over 100 of Europe's 500 largest companies have their headquarters in central London. Over 70 per cent of the FTSE 100 are located within London's metropolitan area, and 75 per cent of
Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune (magazine), Fortune'' magazine that ranks 500 of the largest United States Joint-stock company#Closely held corporations and publicly traded corporations, corporations by ...
companies have offices in London. London is home to 10 Global Fortune 500-ranked corporations


Companies based in London


0–9

* 1E


A

*
A & C Black A & C Black is a British book publishing company, owned since 2002 by Bloomsbury Publishing. The company is noted for publishing '' Who's Who'' since 1849. It also published popular travel guides and novels. History The firm was founded in 18 ...
*
Abbey (coachbuilder) Abbey Coachworks Limited was a British coachbuilding business based in Merton, South West London and later Acton, North West London. It was active between 1930 and 1938. Arthur P Compton set up several coachbuilding businesses, including Co ...
*
ABK Architects __NOTOC__ ABK Architects (previously Ahrends, Burton and Koralek) is a British architectural practice. It was founded in 1961 by Peter Ahrends (born 1933, Berlin, Germany), Richard Burton (born 1933 in London, United Kingdom, died 2017), and Pau ...
*
Above the Title Productions Above the Title was a UK independent radio production company based in London. The company produced drama, music, comedy and documentary programmes, principally for BBC Radio. It is perhaps best known for making adaptations for radio of the last ...
* Accident Advice Helpline * Acrylicize * Action group (sociology) *
Adastra Minerals Adastra Minerals Inc (formerly America Mineral Fields Inc), was a London-based mining companyAddison Lee * Adfonic * Agricultural & General Engineers * Ainsworths *
Alferon Management Alferon Management Limited of London is a management company responsible for running the International Mineral Resources (IMR) in Kazakhstan. International Mineral Resources (IMR) is a Zurich-based holding subsidiary of the Eurasian Natural Resour ...
* Alfred McAlpine * All3Media * Andrew Melrose * Angel Trains * Anglo American * Anglo Pacific Group *
Antony Gibbs & Sons Antony Gibbs & Sons was a British trading company, established in London in 1802, whose interests spanned trading in cloth, guano, wine and fruit, and led to it becoming involved in banking, shipping and insurance. Having been family-owned via a ...
* AnyJunk *
Aon Aon or AON may refer to: * Aon (mythology), son of Poseidon in Greek mythology * ''Aon'' (moth), a genus of moths in the family Erebidae * Aon (trigraph), a Latin trigraph * "Aon", a composition by jazz pianist Harold Mabern, 1968 Business and ...
*
ApplianSys ApplianSys, founded in 2000, is a privately held venture capital-backed technology company based in Coventry, United Kingdom. It designs, builds and markets Internet server appliances that are deployed in more than 150 countries. Forrester Res ...
*
Arcadia Group Arcadia Group Ltd (formerly Arcadia Group plc and, until 1998, Burton Group plc) was a British multinational retailing company headquartered in London, England. It was best known for being the previous parent company of British Home Stores (B ...
* ArenaPAL *
Aricom Aricom PLC (russian: Ариком) was an iron ore mining company with operations in Russia and listed on the London Stock Exchange. The firm was effectively founded as a spin out from Peter Hambro Mining in 2003, listing on the London Stock Exc ...
* Armajaro * Art Loss Register * Artech House * Artists' Collecting Society * Arup * Ascential *
Ashmore Group Ashmore Group plc is a large British investment manager dedicated to the emerging markets. Headquartered in London, it is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History The business, which was establishe ...
*
Ashtead Group Ashtead Group plc is a British industrial equipment rental company based in London, England. It is listed on the London Stock Exchange as a constituent of the FTSE 100 Index. History Ashtead was founded in 1947, in the village of Ashtead, Surr ...
* Atelier One *
Atlantic Books Atlantic Books is an independent British publishing house, with its headquarters in Ormond House in Bloomsbury, in the London Borough of Camden. It is perhaps best known for publishing Aravind Adiga's debut novel '' The White Tiger'', which rec ...
* Atomic Antelope *
Aviva Aviva plc is a British multinational insurance company headquartered in London, England. It has about 18 million customers across its core markets of the United Kingdom, Ireland and Canada. In the United Kingdom, Aviva is the largest general ...
* Avocet Mining *
Avolites Avolites Ltd is a multinational technology company based in Park Royal, London. Avolites manufactures high end professional lighting control consoles, stage dimming equipment, and media servers for use in the professional stage lighting and m ...
* Argos


B

*
Bad Press ''Bad Press'' is a 2023 documentary film directed by Rebecca Landsberry-Baker and Joe Peeler. Premise The film centers Angel Ellis with her fellow free press Myskoke Media reporters and their fight for government transparency and access to infor ...
* Bakkavör * Balderton Capital * Balfour Beatty * Balkan Dream Properties *
Barclays Barclays () is a British multinational universal bank, headquartered in London, England. Barclays operates as two divisions, Barclays UK and Barclays International, supported by a service company, Barclays Execution Services. Barclays traces ...
* BBA Aviation * BBC * BBC Records * The Bedford Estate * Bedlam Productions * Bejam * Belen Echandia * Bell Pottinger * Belle & Bunty *
Bentley & Skinner Bentley & Skinner is a British family held company specialising in fine antique jewelry, silver and objects of art by Carl Faberge. Bentley & Skinner are jewellers and silversmiths by appointment to the Queen and the Prince of Wales. Skinner & ...
* Berendsen * Berry Brothers & Rudd * Berwin Leighton Paisner * Bestinvest * Bestway * Beta 2 Limited * Beyond Retro *
BioMed Central BioMed Central (BMC) is a United Kingdom-based, for-profit scientific open access publisher that produces over 250 scientific journals. All its journals are published online only. BioMed Central describes itself as the first and largest open ...
* Black Swan Data *
Bleep Bleep may refer to: * Bleep sound, a noise, generally of a single tone, often generated by a machine ** Bleep censor, the replacement of offensive language (swear words) or personal details with a beep sound ** Bleep techno, a Yorkshire-born subge ...
*
Blue Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light. The eye perceives blue when ...
* Blue Rubicon * Blue Whale Systems * Bluebay Asset Management * BMCE Bank International *
BMJ Group BMJ (branded as BMJ Group until 2013) is a British publisher of medical journals. Established in 1840, the company is owned by the British Medical Association. Publications * 1840: '' Provincial Medical and Surgical Journal'' (later renamed the ...
* Boden * Bodyamr * BoldMove *
Boosey & Hawkes Boosey & Hawkes is a British music publisher purported to be the largest specialist classical music publisher in the world. Until 2003, it was also a major manufacturer of brass, string and woodwind musical instruments. Formed in 1930 thro ...
* Bow & Arrow * BP *
The Brand Union Superunion is a global brand and design consultancy, headquartered in London. It is a wholly-owned subsidiary of WPP. Superunion was formed after five agencies merged in January 2018, and employs 500 people across 16 offices.
* Brewin Dolphin *
Bridgeman Art Library The Bridgeman Art Library, based in London, Paris, New York and Berlin, provides one of the largest archives for reproductions of works of art in the world. Founded in 1972 by Harriet Bridgeman, the Bridgeman Art Library cooperates with many a ...
*
Bridgepoint Capital Bridgepoint Group plc is a British private investment company listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History Bridgepoint was founded as NatWest Equity Partners, a private equity firm part of NatWest. T ...
*
BrightTALK BrightTALK is a technology media company that provides professional webinar hosting. History BrightTALK was founded in London in 2002 by Paul Heald and Dorian Logan to pursue the development of webcasting technologies in knowledge industries. Br ...
* Briglin Pottery * Brit *
British Airways British Airways (BA) is the flag carrier airline of the United Kingdom. It is headquartered in London, England, near its main hub at Heathrow Airport. The airline is the second largest UK-based carrier, based on fleet size and passengers ...
*
British American Tobacco British American Tobacco plc (BAT) is a British multinational company that manufactures and sells cigarettes, tobacco and other nicotine products. The company, established in 1902, is headquartered in London, England. As of 2019, it is the lar ...
* British & Commonwealth Holdings * British Energy * British Home Stores * British Land * British Youth Council *
Brixton Brixton is a district in south London, part of the London Borough of Lambeth, England. The area is identified in the London Plan as one of 35 major centres in Greater London. Brixton experienced a rapid rise in population during the 19th cent ...
* Broadbean * Brogan Group *
Bromcom Bromcom Computers plc is a British technology company. It provides schools and colleges with a Management Information System and handheld data capture devices to record and track pupil performance. History Bromcom Computers plc (Bromcom) was ...
* Brompton Bicycle *
BSkyB Sky UK Limited is a British broadcaster and telecommunications company that provides television and broadband Internet services, fixed line and mobile telephone services to consumers and businesses in the United Kingdom. It is a subsidiary of ...
*
BT Group BT Group plc ( trading as BT and formerly British Telecom) is a British multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-line, bro ...
* BTG * BTR * Bulgarian Dreams * Bunzl *
Bupa Bupa , legally British United Provident Association Limited, is an international health insurance and healthcare group with over 38 million customers worldwide. Bupa's origins and global headquarters are in the United Kingdom. Its main countrie ...
* Burton


C

* Cad & the Dandy *
Cadbury Cadbury, formerly Cadbury's and Cadbury Schweppes, is a British multinational confectionery company fully owned by Mondelez International (originally Kraft Foods) since 2010. It is the second largest confectionery brand in the world after Mar ...
* Cake Entertainment * Cape *
Capita Group Capita plc, commonly known as Capita, is an international business process outsourcing and professional services company headquartered in London. It is the largest business process outsourcing and professional services company in the United ...
* Capita Symonds *
Capital Economics Capital Economics is an independent economic research business based in London. The company produces written pieces of economic research as well as offering consultancy services, seminars, conferences and commissioned research projects. In 2012 i ...
* Carlisle Managed Solutions * Carlton Carriage Co * Carter Jonas *
Cartoon Network Development Studio Europe Hanna-Barbera Studios Europe Ltd. (HBSE, formerly Great Marlborough Productions and previously known as Cartoon Network Studios Europe and Cartoon Network Development Studio Europe) is a British animation studio based in London and owned by th ...
*
Cassell Cassell may refer to: Companies * ''Cassell Military Paperbacks'', an imprint of Orion Publishing Group * ''Cassell's National Library'' * Cassell (publisher) (Cassell Illustrated or Cassell & Co.), a British book publisher now owned by the Orion ...
*
Centaur Media Centaur Media () is a London-based business information, events and marketing provider to professional and commercial markets. It currently operates through two segments: Xeim (marketing and communications), and The Lawyer. It was formed in 1981 ...
* CeX *
Chamberlin, Powell and Bon Chamberlin, Powell and Bon was a British firm of architects whose work involved designing the Barbican Estate. They are considered one of the most important modernist architectural firms in post-war England. Formation The practice was founded ...
* ChangeGroup * Channel Four Television Corporation *
Charter International Charter International plc was a large British engineering business based in London. It was acquired by Colfax Corporation in January 2012. History The British South Africa Company was founded in 1889 by Royal Charter.
* Cheapflights * Chesham Amalgamations * Cheyne Capital Management *
The Children's Investment Fund Management The Children’s Investment Fund Management (UK) LLP (TCI) is a London‐based hedge fund management firm founded by Chris Hohn in 2003 which manages The Children’s Investment Master Fund. TCI makes long‐term investments in companies globally ...
*
Chloride Group Chloride Group, a business of Vertiv, is the UK's largest supplier of secure power systems to hospitals and other public buildings and facilities. Formerly listed on the London Stock Exchange and a constituent of FTSE 250 index, the company h ...
* Churchill Insurance * Cinven *
Clément-Talbot Clément-Talbot Limited was a British motor vehicle manufacturer with its works in Ladbroke Grove, North Kensington, London, founded in 1903. The new business's capital was arranged by Charles Chetwynd-Talbot (whose family name became the brand ...
*
CLS Holdings CLS Holdings plc is a British commercial property investment business based in London, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History The company was established by Sten Mörtstedt in 19 ...
* CMG * Coats *
The Cobra Group The Cobra Group is a door-to-door selling and marketing company headquartered in Hong Kong. Investigations by the media have found that the company promises much larger compensation rates than employees actually receive as commission-only, self ...
*
Coin Street Community Builders Coin Street Community Builders (CSCB) is a development trust and social enterprise which seeks to make London's South Bank a better place in which to live, to work, to visit and to study. Since 1984 CSCB has transformed a largely derelict 13-acre ...
* CompAir * ComRes * Coolroom *
Cosmos Holidays Cosmos (formerly Cosmos Tours) is a UK independent tour operator providing a range of package holidays to the UK market. The tour operator is connected to the international Globus Travel Group, founded in 1928, which remains family owned with ...
* Cox & King * Cox & Kings * Creek Audio * CronLab * Current Publishing


D

* DAC Beachcroft * Dade2 * Daejan Holdings *
Dahabshiil Dahabshiil ( so, Dahabshiil, ar, دهب شيل) is an international funds transfer company, and is the largest money-transfer business in Africa. It's headquartered in Burao, Somaliland. Formed in the early 1970s, the firm operates from over 2 ...
* Daily Mail & General Trust * Dalgety * Damnably * Darty * DataCash *
Datacopia Datacopia is a freemium tool that automatically generates charts and infographics from structured and unstructured data. Context Representing data using charts is a difficult task from two perspectives. The first is that it is not always cle ...
* Datamonitor * DataWind * Davenport Lyons * Davis Langdon * De Vere Group *
Dealogic Dealogic is a financial markets platform offering integrated content, analytics, and technology via a service to financial firms. From origination to distribution and investors, the Dealogic platform provides a connection across banking, capita ...
* Deliveroo *
Deloitte Deloitte Touche Tohmatsu Limited (), commonly referred to as Deloitte, is an international professional services network headquartered in London, England. Deloitte is the largest professional services network by revenue and number of professio ...
* Derwent Capital Markets * Dexion *
Diageo Diageo plc () is a multinational alcoholic beverage company, with its headquarters in London, England. It operates from 132 sites around the world. It was the world's largest distiller before being overtaken by Kweichow Moutai of China in 201 ...
*
Diploma A diploma is a document awarded by an educational institution (such as a college or university) testifying the recipient has graduated by successfully completing their courses of studies. Historically, it has also referred to a charter or offici ...
* Direct Ferries * Diversified Global Graphics Group *
DJhistory.com DJhistory.com is a website dedicated to the history of dance music and DJing, and also an online record label and book publishing company. It aims to encourage interest in obscure, overlooked and collectable dance music (in its broadest sense) ...
* DNEG *
Dods Group Merit Group plc is a British publishing holding company founded in 2001. It is company number 04267888. Its largest shareholder is the Conservative politician and businessman Lord Michael Ashcroft. It was formerly known as Huveaux plc (from 2 ...
* Dopplr *
Dorling Kindersley Dorling Kindersley Limited (branded as DK) is a British multinational publishing company specialising in illustrated reference books for adults and children in 63 languages. It is part of Penguin Random House, a subsidiary of German media c ...
*
Dot2Dot Dot2Dot was a demand responsive airport bus service and company operating in London, United Kingdom. It started operations on 1 November 2007, after National Express rebranded the Hotelink business it acquired in April 2007. Dot2Dot operated ...
* Dr Scholl's *
Dunnhumby Dunnhumby is a global customer data science company. Formation The company was formed by husband and wife team Edwina Dunn and Clive Humby. Humby was a University of Sheffield trained mathematician and the couple both worked at Caci. Want ...


E

* E-Clear * Eastern Electricity *
Eat Eating (also known as consuming) is the ingestion of food, typically to provide a heterotrophic organism with energy and to allow for growth. Animals and other heterotrophs must eat in order to survive — carnivores eat other animals, herbi ...
* Ebiquity *
ECA International ECA International provides data, software services, consultancy and training to help companies manage compensation and benefits for international workers moving around the world on a short-term, long-term or permanent basis. The company offers ...
* Ecoigo * Ecourier *
Ede & Ravenscroft Ede & Ravenscroft are the oldest tailors in London, established in 1689. They have two London premises, in Chancery Lane and Burlington Gardens, very close to the famous Savile Row. They make, sell and hire out legal gowns and wigs, clerical ...
* EDF Energy * EE * Electronic Music Studios *
Elementis Elementis plc is one of the UK's largest speciality chemicals and personal care businesses, with extensive operations in the United States, Europe and Asia. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. I ...
* Emerald Energy * EMI *
EMI Music Publishing EMI Music Publishing Ltd. is a British multinational music publishing company headquartered in London, owned by parent company Sony Corporation of America. In May 2018, Sony Music Publishing agreed to increase its stake in EMI to 90%, pendi ...
* Empresaria Group * The Energy Group * English Eccentrics * Enodis *
Enso Group Enso Group is a multinational diversified conglomerate that has global operations across a wide range of industries, and is valued at over $6 Billion. The group was founded in 2005 by Chairman Vinay Maloo. It was started with a cluster of oi ...
*
Entertainment Rights Entertainment Rights PLC (formally known as Sleepy Kids) was a British multinational mass media and entertainment conglomerate that specialized in TV-shows and cartoons, children’s media, films, and distribution. In May 2009, the company was ...
* eOffice * Eon Digital Entertainment * Erased Tapes Records * Ergo ID *
Ernst & Young Ernst & Young Global Limited, trade name EY, is a multinational professional services partnership headquartered in London, England. EY is one of the largest professional services networks in the world. Along with Deloitte, KPMG and Pricewat ...
*
Eterniti Motors Eterniti Motors was a short-lived British company founded in 2010 and placed in administration in January 2014. It unveiled its first and only car, the Hemera, at the 2011 Frankfurt Motor Show. In 2012 the Hemera was shown in China at the Beiji ...
*
ETF Securities ETF Securities is an asset management firm that issues exchange-traded funds (ETFs) primarily in Australia. History The company was founded by Australian businessman and philanthropist Graham Tuckwell. The company worked with the World Gol ...
* ETX Capital *
Eurotherm Eurotherm is a supplier of control and measurement instruments to industrial and process markets. They are part of Watlow, an electricity distribution, automation management and producer of installation components for energy management company. ...
* Evolution Group *
Evraz EVRAZ plc (russian: Евраз) is a UK-incorporated multinational steel manufacturing and mining company part-owned by Russian oligarchs. It has operations mainly in Russia as well as the USA, Canada, and Kazakhstan. As of 2015, the ultimate be ...
* Exco International *
Expedition Engineering Expedition Engineering is a London-based consulting firm, delivering structural engineering services. History Expedition Engineering was founded in 1999 by Professor Chris Wise (engineer for the Millennium Bridge, London) and Seán Walsh, b ...


F

* Family Law in Partnership * Farmdrop * FDM Group * Fever Media * FilmFair * FilmOn * First Intuition *
First Solution Money Transfer First Solution Money Transfer was a UK-based private limited company which provided a money transfer service, providing expatriates the facilities to transfer money back to their family in Bangladesh. In June 2007, the company went into liquida ...
*
First Student UK First Student UK was the brand used by FirstGroup for student transport in the United Kingdom. The brand was originally used in the United States for school transport there, and was expanded to the United Kingdom in 2000. First Student UK was a ...
* Firstsource *
Floris of London Floris (also J. Floris Ltd or Floris of London Holdings Ltd) is the oldest English retailer of fragrance and toiletries and is still family owned and run today by the 8th and 9th generations of the family. History Juan Famenias Floris arrive ...
*
Foster + Partners Foster + Partners is a British architectural, engineering, and integrated design practice founded in 1967 as Foster Associates by Norman Foster. It is the largest architectural firm in the UK with over 1,500 employees in 13 studios worldwide. ...
* Forte Group *
Framestore Framestore is a British animation, visual effects company and creative studio based on Chancery Lane in London. Formed in 1986, it acquired (and subsequently merged with) the Computer Film Company in 1997. It works on feature films and telev ...
* Frances Lincoln Publishers * Freddie Grubb * Freeplay Energy *
Fremantle Fremantle () () is a port city in Western Australia, located at the mouth of the Swan River in the metropolitan area of Perth, the state capital. Fremantle Harbour serves as the port of Perth. The Western Australian vernacular diminutive for ...
* Freestone and Webb *
Fresnillo Fresnillo (/fres'nijo/), founded in 1554 by Francisco de Ibarra, is the second largest city in Zacatecas state, north central Mexico and the seat of Fresnillo municipality. As a rail and highway junction, Fresnillo is the center of a rich mining ...
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Future Shorts Future Shorts is a short film label based in London. It was founded in 2003 by Fabien Riggall. It organizes a monthly short film festival, Future Shorts ONE, that screens short films by filmmakers from all over the world. The Guardian Guide ref ...


G

* Galliford Try * Gapforce * Gas Light & Coke Company * GCM Resources * Gem Diamonds * General Eyewear *
Generation Investment Management Generation Investment Management LLP (Generation IM) is a financial services and investment management firm founded in 2004. It was co-founded by former US Vice President Al Gore and Goldman Sachs' Asset Management head David Blood, with a stated ...
*
George Bell & Sons George Bell & Sons was a book publishing house located in London, United Kingdom, from 1839 to 1986. History George Bell & Sons was founded by George Bell as an educational bookseller, with the intention of selling the output of London un ...
* George Wimpey * Gestetner * GFMS *
Glaxo Wellcome GSK plc, formerly GlaxoSmithKline plc, is a British multinational pharmaceutical and biotechnology company with global headquarters in London, England. Established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham. GSK is the tent ...
*
GlaxoSmithKline GSK plc, formerly GlaxoSmithKline plc, is a British multinational pharmaceutical and biotechnology company with global headquarters in London, England. Established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham. GSK is the tent ...
*
GMW Architects GMW Architects was an architectural practice based in the United Kingdom. In August 2015, the firm was taken over by another business, Scott Brownrigg, "as part of plans to move into the airport sector." History The practice was established in 19 ...
* The Goldsmiths' Company Assay Office * Good Relations * Graff Diamonds * Greenwich Leisure Limited * Grosvenor Group * Gunter's Tea Shop


H

* H.R. Owen *
Hall & Partners Omnicom Group Inc. is an American global media, marketing and corporate communications holding company, headquartered in New York City. Omnicom's branded networks and specialty firms provide services in four disciplines: advertising, customer re ...
* Hammerson * Hammonds *
Hand in Hand Fire & Life Insurance Society The Hand in Hand Fire & Life Insurance Society was one of the oldest British insurance companies. History The company was founded in 1696 at Tom's Coffee House in St Martin's Lane St Martin's Lane is a street in the City of Westminster, whi ...
*
Hanson Hanson or Hansson may refer to: People * Hanson (surname) * Hansson (surname) * Hanson (wrestler), ringname of an American professional wrestler Musical groups * Hanson (band), an American pop rock band * Hanson (UK band), an English rock ...
* Hardy Amies * Hardy Oil and Gas *
Hart, Son, Peard and Co. Hart, Son, Peard & Co. (1842–1913) were British architectural metalworkers based in London and Birmingham, most associated with ecclesiastical works. Founded in 1842 in Wych St, off The Strand, by ironmonger Joseph Hart, they became arti ...
* Hassle * Havas Digital * Hays * Heathrow Airport Holdings * Helpling * Henderson Group *
Henry Poole & Co Henry Poole & Co is a bespoke tailor located at Savile Row in London. The company made the first modern-style dinner jacket based on specifications that the Prince of Wales (later Edward VII) gave the company in the 1880s. History The ...
* Heron International * Hetchins * HHCL * Hi-Gen Power * Higgs & Hill *
Hikma Pharmaceuticals Hikma Pharmaceuticals plc is a British multinational pharmaceutical company with headquarters in London, UK that manufactures non-branded generic and in-licensed pharmaceutical products. It was founded by Samih Darwazah in Amman, Jordan i ...
*
Hinduja Group Hinduja Group is an Indian transnational conglomerate. The group is present in eleven sectors including automotive, oil and specialty chemicals, banking and finance, IT and ITeS, cyber security, healthcare, trading, infrastructure project ...
*
Hirst Research Centre The Hirst Research Centre, also known as the GEC Hirst Research Centre or GEC Research Laboratories, was established in 1919 at Wembley, Middlesex, by the General Electric Company. History Formally opened in 1923, the site at East Lane, Wembley ...
* HMV * Hodge Jones & Allen *
Hogan Lovells Hogan Lovells is an American-British law firm co-headquartered in London and Washington, DC. The firm was formed in 2010 by the merger of the American law firm Hogan & Hartson and the British law firm Lovells. It employs about 2,400 lawyers ...
*
Holdsworth Holdsworth was a bicycle manufacturer in London, England. It was created by William Frank Holdsworth, known as "Sandy", and the brand is now owned by Planet X Limited based in Rotherham, Yorkshire. History Sandy Holdsworth took over As ...
* Holland, Hannen & Cubitts * Holloway Brothers * Hooper's Telegraph Works *
Horniman's Tea Hornimans is a brand of tea currently owned by JDE Peet's. History The original tea trading and blending business 'Horniman's Tea Company' was founded in 1826 in Newport, Isle of Wight, by trader John Horniman. In 1852, he moved the company t ...
* Houlihan Lokey *
House of Fraser House of Fraser (also operating as Frasers) is a British department store group with 44 locations across the United Kingdom, which is now part of Frasers Group. It was established in Glasgow, Scotland in 1849 as Arthur and Fraser. By 1891, it ...
* Howden Joinery *
HSBC HSBC Holdings plc is a British multinational universal bank and financial services holding company. It is the largest bank in Europe by total assets ahead of BNP Paribas, with US$2.953 trillion as of December 2021. In 2021, HSBC had $10.8 tr ...
* Hungryhouse *
Hunting Hunting is the human activity, human practice of seeking, pursuing, capturing, or killing wildlife or feral animals. The most common reasons for humans to hunt are to harvest food (i.e. meat) and useful animal products (fur/hide (skin), hide, ...
*
Huntsworth Huntsworth is an international healthcare and communications group. The Group's principal area of focus is health, which provides marketing and medical communications services to healthcare clients, which are primarily large and mid-size pharmac ...
*
Hyperoptic Hyperoptic is a fibre-to-the-building & fibre-to-the-premises Internet service provider (ISP) based in London, England, offering services in 64 Cities and Towns in the UK. History Founded in 2011 by Boris Ivanovic (chairman) and Dana Tobak (CE ...


I

* ICM Research * IG Group * Imagini * Imperial Continental Gas Association *
Imperial Innovations Imperial College Innovations Ltd is a UK technology commercialisation and investment company, based in London. Imperial Innovations is traded on the Alternative Investment Market of the London Stock Exchange. History Imperial Innovations was f ...
* Ince Gordon Dadds * Inchcape * Information Security Forum * Inmarsat * Intermediate Capital Group *
International Computers Limited International Computers Limited (ICL) was a British computer hardware, computer software and computer services company that operated from 1968 until 2002. It was formed through a merger of International Computers and Tabulators (ICT), English E ...
*
International Power Engie Energy International, formerly International Power, is a multinational electricity generation company headquartered in Newcastle upon Tyne, and a wholly owned subsidiary of the French company Engie (formerly GDF Suez). The company was fo ...
* International Tea Co. Stores * Intertek *
Invensys Invensys Ltd. was a multinational engineering and information technology company headquartered in London, United Kingdom. It was formed in 1999 through the merger of BTR plc and Siebe plc. It had offices in more than 50 countries and its prod ...
*
Iona Capital Iona Capital Ltd is a fund management company, managing equity and debt for private and institutional investors. The fund manager seeks to invest in start-up companies that contribute to the UK Government target of reducing waste sent to landfil ...
* IP Group * Ipsos MORI *
Isokon The London-based Isokon firm was founded in 1929 by the English entrepreneur Jack Pritchard and the Canadian architect Wells Coates to design and construct modernist houses and flats, and furniture and fittings for them. Originally called We ...
* ITE Group * ITV *
Iwoca iwoca Ltd. () is an online Fintech company based in London. It offers credit facilities to small businesses trading in the UK and Germany via an automated lending platform. CEO Christoph Rieche and CTO James Dear founded iwoca in October 20 ...


J

*
J & A Beare J & A Beare (John & Arthur Beare) is a violin dealership and repair shop in central London founded in 1892. While in earliest incarnations, it constructed new instruments, it came over time primarily to focus on older ones. Primarily a family busi ...
* J. and G. Rennie * J&W Nicholson & Co *
Jardine Lloyd Thompson Jardine Lloyd Thompson Group plc, also known as JLT Group or simply JLT, was a British multinational corporation that had its headquarters in London, England. It provided insurance, reinsurance, employment benefits advice and brokerage servic ...
* Jessica Kingsley Publishers * Jestico + Whiles * JKX Oil & Gas * John Laing Group * John Murray (publisher) *
John Penn and Sons John Penn and Sons was an English engineering company based in London, and mainly known for its marine steam engines. History Establishment In 1799, engineer and millwright John Penn (born in Taunton, Somerset, 1770; died 6 June 1843) started a ...
* Johnson Banks * Johnson Matthey * Justgiving


K

* Kantar TNS *
Kantar Worldpanel Kantar Worldpanel (formerly TNS Worldpanel) is an international company dealing in consumer knowledge and insights based on continuous consumer panels. Kantar Worldpanel is a part of the London headquartered market research company Kantar Group.
* Kaplan Financial * Kaupthing Singer & Friedlander *
Keith Prowse The Keith Prowse company originated from a partnership in 1830 between two musical instrument makers who opened a shop selling their goods. It later became a theatre ticket agency and music publisher; after a merger with the Peter Maurice company ...
*
Keller Group Keller Group plc () is a geotechnical engineering company. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History The company was established in the 1950s as the ground engineering division of GKN plc. In 196 ...
*
Kennedys Law Kennedys Law LLP is an international commercial law firm specialising in insurance, dispute resolution and advisory services. In 2019/20 iincreased total global revenue by 9%to £238 million (US $301,). UK turnover increased by 9.7%, and revenu ...
* Kesslers International Group *
Keystone Law Keystone Law (formerly Lawyers Direct; operating in Australia as Keypoint Law) is a national law firm headquartered in London, United Kingdom, with offices in several other countries, which offers legal services for business and individuals. The ...
* Kind Consumer *
Kingfisher Kingfishers are a family, the Alcedinidae, of small to medium-sized, brightly colored birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species found in the tropical regions of Africa, Asia, and Oceania, ...
* Knight Frank *
Kold Sweat Records Kold Sweat Records was a British independent record label specializing in hip hop music, based in Askew Road, London. The label was founded in 1990 by Tony Powell, who was the Managing Director, CEO at MCA Records between 1987 and 1992. Upon lea ...


L

* L.K.Bennett *
Ladbrokes Ladbrokes Coral is a British gambling company founded in 1886. Its product offering includes sports betting, online casino, online poker, and online bingo. The business is split into two divisions, UK and International. UK operations a ...
* Laird *
Lamson Engineering Lamson Engineering Company Ltd was the name between 1937 and 1976 of the British offshoot of the Lamson Cash Carrier Company (and its successors) of Boston Massachusetts. The Lamson companies were the best-known manufacturers of cash car ...
* Language Connect * Lasmo * Last.fm * LatinNews * Lattice Group *
Law Debenture The Law Debenture Corporation plc is a British-based investment trust An investment trust is a form of investment fund found mostly in the United Kingdom and Japan. Investment trusts are constituted as public limited companies and are theref ...
*
Leading Edge Forum Leading Edge Forum (LEF) helps clients challenge conventional assumptions with original, future-focused thinking. LEF’s programme of progressive research and thought leadership, next-practice advisory interventions, and immersive events augment ...
* Lebrecht Photo Library * Legal & General * Levitt Bernstein * Lewis & Co *
Lewis Leathers Lewis Leathers is a brand name of the oldest British motorcycle Motorcycle clothing, clothing company. D. Lewis Ltd,L for Lewis, L for Leathers, Steve Myatt, Classic Bike Guide magazine, July 2005. p. 14 to 19 manufacturer of leather jackets whi ...
* Lewis Recordings * Limmer Holdings * Linklaters * Lledo *
LLM Communications LLM Communications was a political lobbying firm founded in 1997 by Neal Lawson, Ben Lucas, and Jonathan Mendelsohn. It had 20 employees and 40 clients. In July 1998, LLM was reported to have saved Tesco £40 million by persuading ministers to ...
* Lloyd Johnson * Lloyds Banking Group * London Capital Credit Union * London Climate Change Agency * The London Distillery Company *
London Necropolis Company The London Necropolis Company (LNC), formally the London Necropolis & National Mausoleum Company until 1927, was a cemetery operator established by Act of Parliament in 1852 in reaction to the crisis caused by the closure of London's graveyards ...
* London Stock Exchange Group * LondonMetric Property *
Long Tall Sally Clothing Long Tall Sally is a clothing and shoe retailer for tall women 5′8″ and over. Founded in London in 1976, the company offered clothing with sizing adjustments for longer torso lengths, rises on pants, and dart positions on blouses. It sold un ...
*
Lonmin Lonmin plc, formerly Lonrho plc, was a British producer of platinum group metals operating in the Bushveld Complex of South Africa. It was listed on the London Stock Exchange. Its registered office was in London, and its operational headquarters ...
* Loose Music * Lucas Brothers * Luther Pendragon


M

* Mace * Macintyre Art Advisory *
Man Group Man Group plc is an active investment management business listed on the London Stock Exchange. It provides a range of funds across liquid and private markets for institutional and private investors globally and is the world's largest publicly t ...
* Marex Spectron * Marjan Television Network * Markit *
Marks & Clerk Marks & Clerk is an international group of intellectual property service providers, encompassing patent attorneys, trade mark attorneys, lawyers and consultants. Including partners, it currently employs over 300 legal practitioners worldwide and ...
*
Marks & Spencer Marks and Spencer Group plc (commonly abbreviated to M&S and colloquially known as Marks's or Marks & Sparks) is a major British multinational retailer with headquarters in Paddington, London that specialises in selling clothing, beauty, home ...
*
Masabi Masabi ( fa, مصعبي, also Romanized as Maş‘abī, Ma‘şabī, and Moş‘abī; also known as Mosāvī and Musavi) is a village in Masabi Rural District, in the Central District of Sarayan County, South Khorasan Province, Iran I ...
* Mathmos * Maxwell Communications Corporation * McBride * Mecom Group * Medical Research Council Technology * Melrose Industries * MEPC * Mercury Asset Management *
Metaswitch Metaswitch Networks is a private UK-based company which was acquired by Microsoft in July 2020. Metaswitch Networks designed, developed, manufactured, and marketed telecommunications software to communication service providers, equipment manufa ...
*
Methuen Publishing Methuen Publishing Ltd is an English publishing house. It was founded in 1889 by Sir Algernon Methuen (1856–1924) and began publishing in London in 1892. Initially Methuen mainly published non-fiction academic works, eventually diversifying t ...
* Metropolis International * MFI Group * M&G * MHP Communications * Microplas * Millennium & Copthorne Hotels *
Millhouse Capital Millhouse Capital is a British registered company. It was created in 2001 to manage assets owned by the Russian businessman Roman Abramovich and his partners. Overview The chairman of the company is Russian-American businessman Eugene Shvidl ...
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Minerva Minerva (; ett, Menrva) is the Roman goddess of wisdom, justice, law, victory, and the sponsor of arts, trade, and strategy. Minerva is not a patron of violence such as Mars, but of strategic war. From the second century BC onward, the R ...
* Mintel * Misys * Mitie * Mitre Sports International *
MJP Architects MJP Architects is an employee-owned British architectural practice established in 1972 by Sir Richard MacCormac, and based in Spitalfields, London. The practice officially changed its name from MacCormac Jamieson Prichard to MJP Architects in June ...
* Moley Robotics *
Molton Brown Molton Brown is a luxury British fragrance brand known for Eaux de Parfum and Toilette, as well as bath, body, hair, and home collections. Molton Brown started up in 1971 on South Molton Street, London. Since then, they have manufactured all ...
*
Mondi Group Mondi plc is a multinational packaging and paper group employing around 26,000 people with around 100 production sites across more than 30 countries, predominantly in Europe, Russia, North America and South Africa. Group offices are located in W ...
* Monex Europe *
Moneycorp Moneycorp is an international payments fintech that provides payment products and services. The company was founded in London in 1979. Its clients include corporations, financial institutions, and individuals and it has a footprint in the United ...
* Monington & Weston *
Morgan Crucible Morgan Advanced Materials is a company which manufactures specialist products, using carbon, advanced ceramics and composites. The company is headquartered in Windsor, United Kingdom, and has 85 sites across 30 countries. A public limited comp ...
* Morgan Sindall * Morrison Facilities Services * Moss Empires * Mott MacDonald * Mousebreaker * Mushroom TV * MWB Group Holdings * My Family Care * My Local Bobby * MySociety


N

* Nails * National Benzole * National Express * National Freight Corporation * National Grid *
NatWest National Westminster Bank, commonly known as NatWest, is a major retail and commercial bank in the United Kingdom based in London, England. It was established in 1968 by the merger of National Provincial Bank and Westminster Bank. In 2000, i ...
*
NBNK NBNK Investments plc was a UK-based financial investment company formed by Lord Levene and a consortium of senior business figures in 2010. The aim of the company was to build a new large UK retail bank primarily through the acquisition of other ...
* Nelsons *
New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar ecl ...
* News UK *
NEX Group NEX Group plc, formerly known as ICAP plc, is a UK-based business focused on electronic financial markets and post trade business for other financial institutions rather than private individuals. They are known as an inter-broker dealer. The ...
*
Nimax Theatres Nimax Theatres Ltd. is a theatre group owned and operated by Nica Burns and Max Weitzenhoffer. In July 2005, Weitzenhoffer and Burns announced they were forming Nimax to buy four of London’s playhouses from Andrew Lloyd Webber, namely the Apollo ...
* Nobrow Press * Norton Rose Fulbright * Now Play It *
NTT Communications , or NTT Com, is a Japanese telecommunications company which operates an international network in over 190 countries/regions, with locations in more than 70 countries/regions. The company has approximately 5,500 employees (NTT Communications ...


O

* Oak Futures *
Ocean Group Ocean Group may refer to: * Ocean Group International, holding company *Ocean Group plc, former British transport company *Ocean Productions Ocean Productions, Inc., is a Canadian media production and voice acting company based in Vancouver, ...
* Odyssey Airlines * OmniCompete * Omnifone * OnePoll *
OpenBet OpenBet is a provider of sportsbook technology, content and services. In September 2021, Endeavor Group Holdings, Inc, announced that it would acquire OpenBet for $1.2 billion in cast and stock. The acquisition was completed in September 2022. ...
* Ophir Energy * Opinium Research * Optimax * Outsights *
Ovum The egg cell, or ovum (plural ova), is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete i ...
* Oxbridge Applications


P

* PA Consulting *
PACE Sports Management PACE Sports Management is a sports management and marketing company based in Monaco and London, directed by Ricky Simms. Background KIM McDonald International management was founded in the 80's by former middle distance runner Kim McDonald. Th ...
* Palace Software * Panmure Gordon & Co. * Pantheon Ventures * Park Royal Partnership * Pearn, Pollinger & Higham * Pearson *
Peek Freans Peek Freans is the name of a former biscuit making company based in Bermondsey, London, which is now a global brand of biscuits and related confectionery owned by various food businesses. Owned but not marketed in the UK, Europe and USA by De B ...
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Perenco Perenco is an independent Anglo-French oil and gas company with a headquarters in London and Paris. It conducts exploration and production activities in 16 countries around the globe (the North Sea, Cameroon, Gabon, Republic of Congo, Democra ...
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Peruvian Corporation The Peruvian Corporation Ltd. (alternate: Peruvian Corporation of London) was registered under the Companies Act in London on 20 March 1890. Its board of directors included ten members led by Sir Alfred Dent G A Ollard, of Smiles and Co Solicitors ...
* PH Media Group *
Phaidon Press Phaidon Press is a global publisher of books on art, architecture, design, fashion, photography, and popular culture, as well as cookbooks, children's books, and travel books. The company is based in London and New York City, with additional o ...
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Phillips & Drew Phillips & Drew was a large stockbroking partnership and company based in the City of London, England. It was fully acquired by the Union Bank of Switzerland in 1986, which itself merged with the Swiss Bank Corporation in 1998, to become UBS ...
*
Phoenix Group Phoenix Group Holdings plc (formerly Pearl Group plc) is a provider of insurance services based in London, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index. History The company was founded in 185 ...
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Pimlico Plumbers Pimlico Plumbers is a London-based plumbing firm established in 1979. With revenues of £20m as of 2015, it is London's largest independent plumbing company. Establishment Pimlico Plumbers was established in 1979 by its current managing direct ...
* Pinchin Johnson & Associates * Playfish *
Plus500 Plus500 is a global fintech firm providing online trading services in contracts for difference (CFDs), share dealing, futures trading and options on futures. The company has subsidiaries in the UK, Cyprus, Australia, Israel, Seychelles, Singap ...
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Portland Communications Portland Communications is a political consultancy and public relations agency set up in 2001 by Tim Allan, a former adviser to Tony Blair and Director of Communications at BSkyB. In 2012 a majority stake in Portland was purchased by Omnicom. ...
* Position Ignition * Pottermore * Premier Farnell * Premier Oil * Pressparty *
PricewaterhouseCoopers PricewaterhouseCoopers is an international professional services brand of firms, operating as partnerships under the PwC brand. It is the second-largest professional services network in the world and is considered one of the Big Four accounti ...
*
Progressive Digital Media GlobalData Plc is a data analytics and consulting company, headquartered in London, England. The company was established in 1999, and has been listed on the London Stock Exchange since 2000. It was previously called Progressive Digital Media and b ...
* Proxymity * Prudential


Q

* QA * Qiqqa * Qube Software *
Quercus An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ...
*
Quilter Quilting is the term given to the process of joining a minimum of three layers of fabric together either through stitching manually using a needle and thread, or mechanically with a sewing machine or specialised longarm quilting system. A ...


R

* R. A. Rooney & Sons *
Railtrack Railtrack was a group of companies that owned the track, signalling, tunnels, bridges, level crossings and all but a handful of the stations of the British railway system from 1994 until 2002. It was created as part of the privatisation of ...
* Rapha * Rara.com * Rare Tea Company * Rathbone Brothers *
Reaktion Books Reaktion Books is an independent book publisher based in Islington, London, England. It was founded in 1985 in Edinburgh, Scotland, and moved to London in 1987. Reaktion originally focused on the fields of art, architecture, and design. In rece ...
* Reed *
Reed Elsevier RELX plc (pronounced "Rel-ex") is a British multinational information and analytics company headquartered in London, England. Its businesses provide scientific, technical and medical information and analytics; legal information and analytics; ...
* Rentokil Initial * Resolution * The Restaurant Group *
Rexam Rexam plc was a British-based multinational consumer packaging company headquartered in London, England. After spending much of its life as a paper producer known as Bowater, it diversified and became a leading manufacturer of beverage cans. I ...
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Reynolds Porter Chamberlain RPC (Reynolds Porter Chamberlain) is an international commercial law firm headquartered in London, United Kingdom. It is a UK top 50 law firm and has been named Law Firm of the Year three times since 2014, and Best Legal Adviser every year sinc ...
* Rigby & Peller * Rio Tinto *
RjDj RjDj (Reality Jockey Ltd.) was a startup founded in late 2008 by last.fm co-founder Michael Breidenbruecker. The company was based in London and was run by a small team of four employees. Its mission was to create sonic experiences specifically d ...
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Roberson Wine Roberson Wine is an online fine wine Wine is an alcoholic drink typically made from fermented grapes. Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different varie ...
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Robert Fleming & Co Robert Fleming & Co. was an asset manager and merchant bank founded in Dundee, Scotland, in 1873. In 1909, the firm moved its headquarters to London, England. It was sold to Chase Manhattan Bank for over $7 billion in 2000. Flemings was a 50 ...
* Robert Walters *
Rockstar London Rockstar London Limited is a British video game developer and a studio of Rockstar Games based in London. Mark Washbrook established the company in November 2005 within Rockstar Games' European publishing offices. The studio's first game was ...
*
Rolls-Royce Holdings Rolls-Royce Holdings plc is a British multinational aerospace and defence company incorporated in February 2011. The company owns Rolls-Royce, a business established in 1904 which today designs, manufactures and distributes power systems for ...
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Rothmans International Rothmans International plc was a British tobacco manufacturer. Its brands included Rothmans, Player's and Dunhill. Its international headquarters were in Hill Street, London and its international operations were run from Denham Place in Denham ...
* Rothschild & Co *
Royal Dutch Shell Shell plc is a British multinational oil and gas company headquartered in London, England. Shell is a public limited company with a primary listing on the London Stock Exchange (LSE) and secondary listings on Euronext Amsterdam and the New ...
* Royal Exchange Assurance Corporation *
Royal London Asset Management Royal London Asset Management (RLAM) is a UK-based investment management company. RLAM invests across a broad range of core asset classes including fixed income, equities, multi asset, cash and property. It also offers funds that adopt an ethic ...
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Royal Mail , kw, Postya Riel, ga, An Post Ríoga , logo = Royal Mail.svg , logo_size = 250px , type = Public limited company , traded_as = , foundation = , founder = Henry VIII , location = London, England, UK , key_people = * Keith Williams ...
* RSA Insurance Group * RSM International * Rushes Postproduction * RusPetro *
Russell & Bromley Russell & Bromley is a British footwear and handbag retailer founded in 1873, that operates 43 stores and 2 concessions in the UK. The company is still run and owned by the Bromley family. History Russell & Bromley began in 1873, when George Br ...


S

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SG Warburg & Co S. G. Warburg & Co. was a London-based investment bank. It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index. The firm was acquired by the Swiss Bank Corporation in 1995 and ultimately became a part of UBS. ...
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Sainsbury's J Sainsbury plc, trading as Sainsbury's, is the second largest chain of supermarkets in the United Kingdom, with a 14.6% share of UK supermarket sales. Founded in 1869 by John James Sainsbury with a shop in Drury Lane, London, the company ...
* Salamander Energy * Salviati *
Samuel Enderby & Sons Samuel Enderby & Sons was a whaling and Seal hunting, sealing company based in London, England, founded circa 1775 by Samuel Enderby (1717–1797). The company was significant in the history of whaling in the United Kingdom, not least for encou ...
* Samvo Group * Sanne Group * Satellite Information Services * Savills * Scarlet Blade Theatre * Schroders * Science Photo Library * Sears * Secret Escapes * Securicor * Sedgwick Group *
See Tickets __NOTOC__ See Tickets is the trading name of an international ticketing services company owned by Vivendi SA. See Tickets' head office is on Upper Parliament Street in Nottingham, and operates throughout Europe and North America under the See Tick ...
* Select Model Management * Sellar Property Group * Sense Worldwide * Seraphine * Service in Informatics and Analysis * Shaftesbury *
Sharps Pixley Sharps Pixley was a British bullion house. It was formed in 1957 when two private bullion partnerships merged: Sharps Wilkins, founded in 1740, and Pixley & Abell, founded in 1852. It was one of the five firms that met twice daily for the Lon ...
* Shed Media * Shutl *
Siebe Gorman Siebe Gorman & Company Ltd was a British company that developed diving equipment and breathing equipment and worked on commercial diving and marine salvage projects. The company advertised itself as 'Submarine Engineers'. It was founded by A ...
* Siebe * Siemens Brothers * Signet Jewelers *
Signwave Adrian Ward (born 1976 in Bishop Auckland, England) is a software artist and musician. He is known for his generative art software products released through his company Signwave, and as one third of the techno gabba ambient group, Slub. His t ...
* Silence Therapeutics * Silver Circle * SilverDoor *
Simmons & Simmons Simmons & Simmons is a British law firm. About half of its staff are in the London office, in CityPoint, off Moorgate. It has branch offices in some countries in Europe, the Middle East and Asia. It has been mentioned in the ''Financial Time ...
* Sinclair Research *
Sir Robert McAlpine Sir Robert McAlpine Limited is a family-owned building and civil engineering company based in Hemel Hempstead, England. It carries out engineering and construction in the infrastructure, heritage, commercial, arena and stadium, healthcare, educa ...
* Skinny Candy *
Slater & Gordon Slater & Gordon Lawyers is a law firm in Australia. The firm was founded in Melbourne, Victoria, in 1935 by a barrister and solicitor from Irymple, Victoria, Hugh Lyons Gordon, and Labor politician Bill Slater. The firm is one of Australia's ...
* Slaughter & May * Smith & Nephew *
Smiths Gore Smiths Gore was a firm of chartered surveyors with 32 offices and 18 estate offices across the UK. It is noted for its rural property consultancy services. History The firm was started in 1847 when John Pickering and Edmund James Smith formed a pa ...
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Smiths Group Smiths Group plc is a British, multinational, diversified engineering business headquartered in London, England. It operates in over 50 countries and employs 14,600 staff. Smiths Group has its origins in a jewellery shop, ''S Smith & Sons'', ...
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Sobranie Sobranie (russian: Собрание, "Gathering", "Collection", "Assembly") is a brand of cigarettes, currently owned and manufactured by Gallaher Group, a subsidiary of Japan Tobacco. History The Balkan Sobranie tobacco business was establ ...
* SOCO International *
Sony Mobile Communications Sony Mobile Communications Inc. ( ja, ソニーモバイルコミュニケーションズ株式会社) was a multinational telecommunications company founded on October 1, 2001, as a joint venture between Sony Group Corporation and Ericsson. ...
* Spire Healthcare * Splash Damage * Sporting Index * Spread Co *
Square Enix Europe Square Enix Limited (formerly Domark Limited and Eidos Interactive Limited) is a British subsidiary of the Japanese video game company Square Enix, acting as their European publishing arm. The company formerly owned ''Tomb Raider'', which was in ...
* SSL International * Stainer & Bell *
Standard Chartered Standard Chartered plc is a multinational bank with operations in consumer, corporate and institutional banking, and treasury services. Despite being headquartered in the United Kingdom, it does not conduct retail banking in the UK, and around 9 ...
* Standard Telephones and Cables * Stanton Williams *
Stemcor Stemcor is a British steel trading and distribution company. The company acts as an intermediary between buyers and sellers of steel and raw materials. It provides additional services, including logistics, price risk management and inventory manag ...
* SThree * Storehouse * Sun Life & Provincial Holdings *
Survation Survation is a polling and market research agency based in London, England. Survation have been conducting research surveys since 2010. Surveys are conducted via telephone, online panel and face to face as well as omnibus research for a broad r ...
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SVG Capital SVG Capital () was a leading British private equity and investment management business. Headquartered in London, it was listed on the London Stock Exchange. History The business was established in 1996 to acquire the private equity interest ...
* Swaine Adeney Brigg *
Swan Song Records Swan Song Records was a record label launched by the English rock band Led Zeppelin on 10 May 1974. It was overseen by Led Zeppelin's manager Peter Grant and was a vehicle for the band to promote its own products as well as sign artists who ...
* Swire * System Simulation


T

* Takeover/Cloud 9 * Takeover Entertainment * TalkTalk Group * Tanner Krolle *
Tata Steel Europe Tata Steel Europe Ltd. (formerly Corus Group plc) was a steelmaking company headquartered in London, England, with its main operations in the United Kingdom and the Netherlands. The company was created in 2007, when Tata Group took over ...
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Tate & Lyle Tate & Lyle PLC is a British-headquartered, global supplier of food and beverage ingredients to industrial markets. It was originally a sugar refining business, but from the 1970s it began to diversify, eventually divesting its sugar business i ...
* Tate Publishing * Taxi Media * Taylor Wimpey * Taylor Woodrow * TD Tom Davies *
TelecityGroup Telecity Group plc (formerly TelecityRedbus and before that Telecity), was a European carrier-neutral datacentre and colocation centre provider. It specialised in the design, build and management of datacentre space. It was listed on the Londo ...
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Telecom Plus Telecom Plus plc is a British multi-utility supplier of gas, electricity, home insurance, and landline, broadband and mobile services to residences and businesses. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 I ...
* Telewest * TestPlant *
Thames The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the R ...
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Thames & Hudson Thames & Hudson (sometimes T&H for brevity) is a publisher of illustrated books in all visually creative categories: art, architecture, design, photography, fashion, film, and the performing arts. It also publishes books on archaeology, history, ...
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Thames Water Authority The Thames Water Authority was one of ten regional water authorities created in the UK on 1 April 1974 under the provisions of the Water Act 1973 to bring together all the water management functions of the region in one public body. Predece ...
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Theodore Goddard John Theodore Goddard (1879–27 November 1952) was an English solicitor and founder of the law firm Theodore Goddard (TG) based in London. The firm merged with Addleshaw Booth & Co on 1 May 2003 to become Addleshaw Goddard. Goddard was appoin ...
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THG Sports THG Sports (The Hospitality Group) was a provider of sports ticketing services and corporate hospitality programmes at sporting events around the world It has 69 offices globally and has around 3,000 employees who provide access to over 350 maj ...
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Thomas Cook & Son Thomas Cook & Son, originally simply Thomas Cook, was a company founded by Thomas Cook, a cabinet-maker, in 1841 to carry temperance supporters by railway between the cities of Leicester, Nottingham, Derby and Birmingham. In 1851, Cook arrange ...
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Thomsons Online Benefits Darwin Technologies Ltd., known simply as Darwin (formerly Thomsons Online Benefits) is a global benefits management and employee engagement software company that also provides consultancy services related to reward, workplace pensions and employ ...
* Thorn Electrical Industries * Thorn EMI * Thurleigh Investment Managers * Tilda * Tinies * Tomkins * Touch Surgery *
Tower Hamlets Summer University Tower Hamlets Summer University (THSU) is a British charity in the Tower Hamlets area of London which offers independent learning programs for people from 11 to 25 years of age. It rebranded to the name Futureversity in 2010. Projects Holid ...
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TowerBrook Capital Partners TowerBrook Capital Partners, L.P. is an investment management firm headquartered in London and New York City. TowerBrook spun out of Soros Fund Management in 2005 and became known for acquiring majority stakes in companies such as Jimmy Choo. Man ...
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TP ICAP TP ICAP Group plc is a financial services firm headquartered in London, United Kingdom. Its stock is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History The company was founded by Derek Tullett in 1971 as a ...
* Tradus * Trafalgar House * Transmeridian Air Cargo * Transmission Recordings * Travers Smith * Trinity Mirror *
Trowers & Hamlins Trowers & Hamlins LLP is an international law firm with offices throughout the UK, Middle East and Far East. It has over 150 partners and more than 900 employees. Headquartered in London, Trowers & Hamlins was founded nearly 250 years ago. ...
* Trustee Savings Bank *
Tullett Prebon TP ICAP Group plc is a financial services firm headquartered in London, United Kingdom. Its stock is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History The company was founded by Derek Tullett in 1971 as a ...
* Tullow Oil *
TV Pixie TV Pixie was a British website about television programmes founded in 2009. The company was closed in 2012. History TV Pixie was founded by Alex Guest after he left Zattoo, where he was the UK country manager, in 2009. The site was conceived as a ...


U

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Ubiquity Press Founded in 2008 by Brian Hole, Ubiquity Press is an academic publisher focusing on open access, peer-reviewed scholarship. Ubiquity Press is a part oUbiquity which also provides full publishing infrastructure and services to university presses, an ...
* UBM * UCB Home Loans *
UCL Business UCL Business PLC is the technology-transfer company of University College London Hospital NHS Foundation Trust in London, England. Its head office is on Tottenham Court Road in the London Borough of Camden. History UCL's first technology-tra ...
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Ugly Models Ugly Models is a London-based alternative modelling agency that specialises in character modelling. Owner Marc French says it is about "celebrating everyone's unique beauty". Major clients include Calvin Klein, Levi's, Diesel, Vogue, Elle, and ...
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UK Youth Parliament The UK Youth Parliament (UKYP) is a Youth organization, youth organisation in the United Kingdom, consisting of Democracy, democratically elected members aged between 11 and 18. Formed in 2000, the parliament has 369 members, who are elected t ...
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UKTV UKTV Media Limited, simply known as UKTV, is a British multi-channel broadcaster, which, since 2019, has been wholly owned by BBC Studios (formerly BBC Worldwide), a commercial subsidiary of the BBC. It was formed on 1 November 1992 throug ...
* Ultramar * Underbelly *
Unilever Unilever plc is a British multinational consumer goods company with headquarters in London, England. Unilever products include food, condiments, bottled water, baby food, soft drink, ice cream, instant coffee, cleaning agents, energy dri ...
* Union Hand-Roasted Coffee *
United Biscuits United Biscuits (UB) is a British multinational food manufacturer, makers of McVitie's biscuits, Jacob's Cream Crackers, and Twiglets. The company was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index. In ...
*
United Kingdom Accreditation Service The United Kingdom Accreditation Service (UKAS) is the sole national accreditation body recognised by the British government to assess the competence of organisations that provide certification, testing, inspection and calibration services. It ...


V

* Valaris *
Varsity Express Varsity Express (Varsity Air Services Ltd) was a regional airline based at London Oxford Airport in England. It was never a licensed airline, instead it sold tickets on flights operated by Linksair. Varsity Express operated only 11 scheduled fl ...
* Vedanta Resources *
Venturethree Venturethree (stylized as venturethree, and formerly known as Venture3) is an independent brand company based in London, specialising in brand strategy, brand expression and brand experience. History venturethree was founded in London, in 1999 ...
* Versailles Group *
Vesuvius Mount Vesuvius ( ; it, Vesuvio ; nap, 'O Vesuvio , also or ; la, Vesuvius , also , or ) is a somma-stratovolcano located on the Gulf of Naples in Campania, Italy, about east of Naples and a short distance from the shore. It is one of ...
* Viacom International Media Networks * Viagogo *
Virgin EMI Records Virgin EMI Records was a British record label owned by the Universal Music Group that was formed in 2013. In June 2020, the label was rebranded as EMI Records, and operates Virgin Records as an imprint of the new EMI Records. History Virgi ...
* Virtual Internet *
VMware VMware, Inc. is an American cloud computing and virtualization technology company with headquarters in Palo Alto, California. VMware was the first commercially successful company to virtualize the x86 architecture. VMware's desktop software ru ...


W

*
Web Technology Group Web Technology Group was a technology consultancy and solutions provider to the UK Public Sector, specialising in the design, build and management of secure, high value and complex web applications, based in London, UK. WTG was purchased by Civica ...
* Webb Ellis * WebsEdge * Whitehead Mann *
Whyte Chemicals Whyte Chemicals Ltd is a former British chemical distribution and production company, headquartered in Finchley, in north London, and with a distribution centre in Denaby, South Yorkshire. Founded in 1976, it was acquired in 2018 by . Whyte Chem ...
*
Wildsmith Shoes Wildsmith Shoes is a high-end English handmade footwear manufacturer, founded in London in 1847 by husband and wife team, Matthew and Rebecca Wildsmith. They based their business on making and repairing boots for the Household Cavalry. Wildsmi ...
* William Hill * William Watkins *
Williams Lea Williams Lea Group Limited, branded Williams Lea Tag, is a global company that offers business process outsourcing (BPO) to large companies. Founded in 1820 as a company providing printing services to the financial industry, Williams Lea went thro ...
* Willis Group * The Woolwich * Workspace Group * World Television * WPP


X

*
Xchanging Xchanging is a business process and technology services provider and integrator, owned by DXC Technology, providing business services to the commercial insurance industry. In outsourcing, Xchanging will typically take over a customer's business ...


Y

* Yeast Culture * YossarianLives


Z

* Z/Yen


Newspapers published in London

* ''
Al-Arab ''Al-Arab'' or ''Alarab'' ( ar, العرب meaning ''The Arabs'') is a pan-Arab newspaper published from London, England, and sold in a number of countries. History and profile The paper was launched in London on 1 June 1977, as a secular pa ...
'' * '' Bangla Mirror'' * '' Barking & Dagenham Post'' * '' Bell's Life in London'' * '' Catholic Herald'' * ''
Christian Today ''Christian Today'' is a non-denominational Christian news company with its international headquarters in London, England.Christian Today > Contact Us/ref> History The website was established in 2000 to report on news in the global church ...
'' * ''
The Guardian ''The Guardian'' is a British daily newspaper. It was founded in 1821 as ''The Manchester Guardian'', and changed its name in 1959. Along with its sister papers '' The Observer'' and '' The Guardian Weekly'', ''The Guardian'' is part of the ...
'' * ''
The Illustrated London News ''The Illustrated London News'' appeared first on Saturday 14 May 1842, as the world's first illustrated weekly news magazine. Founded by Herbert Ingram, it appeared weekly until 1971, then less frequently thereafter, and ceased publication i ...
'' * '' The Irish Post'' * '' Lanka Tribune'' * ''
Lloyd's List ''Lloyd's List'' is one of the world's oldest continuously running journals, having provided weekly shipping news in London as early as 1734. It was published daily until 2013 (when the final print issue, number 60,850, was published), and is ...
'' * '' The Muslim Weekly'' * '' The Non-League Paper'' * '' Romford Recorder'' * '' South London Press'' * '' The Tablet'' * '' Town and Country Magazine'' * ''
The War Cry ''The War Cry'' is the official news publication of The Salvation Army. Today national versions of it are sold in countries all over the world to raise funds in support of the Army's social work. History The first edition of ''The War Cry'' w ...
''


See also

*
List of pubs in London __NOTOC__ This is a list of pubs in London. A pub, formally public house, is a drinking establishment in the culture of Britain,List of restaurants in London This is a list of notable restaurants in London, United Kingdom. Restaurants in London Current * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ...
* :Defunct companies based in London * :Organisations based in London


References

{{DEFAULTSORT:Companies based in London
London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
London-related lists