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Telefonica UK Limited,
trading as A trade name, trading name, or business name is a pseudonym used by companies that do not operate under their registered company name. The term for this type of alternative name is fictitious business name. Registering the fictitious name with ...
O2 UK (stylised as O2), is a British telecommunications services provider. It is the largest mobile network in the United Kingdom, with approximately 23.2million subscribers . The network was launched in 1985 as Cellnet, a joint venture between
British Telecom BT Group plc (formerly British Telecom) is a British Multinational corporation, multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-li ...
(60%) and Securicor (40%), and later rebranded BT Cellnet following BT's acquisition of Securicor's share. Cellnet was one of the two original cellular network operators in the UK, alongside
Vodafone Vodafone Group Public Limited Company () is a British Multinational company, multinational telecommunications company. Its registered office and global headquarters are in Newbury, Berkshire, England. It predominantly operates Service (economic ...
. In 2001, BT spun off its BT Wireless division as mmO2 plc (later O2 plc), with the UK network adopting the O2 brand in 2002. O2 plc was acquired by Spanish telecommunications firm
Telefónica , S.A. () is a Spanish multinational telecommunications company with registered office and headquarters located in two different places, both in Madrid, Spain. It is one of the largest telephone operators and mobile network providers in the ...
in 2006. Since 2021, O2 UK has formed a subsidiary of
Virgin Media O2 VMED O2 UK Limited, trading as Virgin Media O2, is a British mass media and telecommunications company based in Reading, England. The company was formed in June 2021 as a 50–50 joint venture between Liberty Global and Telefónica through ...
, a 50:50 joint venture between Telefónica and
Liberty Global Liberty Global Ltd. is a British-Dutch-American multinational telecommunications company domiciled in Bermuda, with headquarters in London, Amsterdam and Denver. Its respective legal names are Liberty Global Holdings Limited (UK), Liberty Glo ...
formed through the merger of their respective O2 UK and
Virgin Media Virgin Media Limited is a British telecommunications company which provides telephone, television and internet services in the United Kingdom. Its headquarters are at Green Park in Reading, England. It is owned by Virgin Media O2, a 50:50 ...
businesses.


History


Overview

The company was formed in 1983 as Telecom Securicor Cellular Radio Limited, a 60:40
joint venture A joint venture (JV) is a business entity created by two or more parties, generally characterized by shared ownership, shared returns and risks, and shared governance. Companies typically pursue joint ventures for one of four reasons: to acce ...
between
British Telecom BT Group plc (formerly British Telecom) is a British Multinational corporation, multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-li ...
and Securicor. It launched the Cellnet network on 7 January 1985, six days after the launch of
Vodafone Vodafone Group Public Limited Company () is a British Multinational company, multinational telecommunications company. Its registered office and global headquarters are in Newbury, Berkshire, England. It predominantly operates Service (economic ...
. In 1999, BT acquired Securicor's share of Cellnet and the company was later rebranded as BT Cellnet. In June 2000, BT Cellnet launched the world's first commercial
General Packet Radio Service General Packet Radio Service (GPRS), also called 2.5G, is a mobile data standard on the 2G cellular communication network's global system for mobile communications (GSM). Networks and mobile devices with GPRS started to roll out around the ...
(GPRS) service. The company, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc. O2 plc was purchased by the Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O₂" brand and the company's UK headquarters. O2 plc was renamed Telefónica O₂ Europe in 2007 and then Telefónica Europe plc in 2008, and became the holding company for Telefónica's operations in the UK. In May 2020, Telefónica reached an agreement with
Liberty Global Liberty Global Ltd. is a British-Dutch-American multinational telecommunications company domiciled in Bermuda, with headquarters in London, Amsterdam and Denver. Its respective legal names are Liberty Global Holdings Limited (UK), Liberty Glo ...
to merge the company with
Virgin Media Virgin Media Limited is a British telecommunications company which provides telephone, television and internet services in the United Kingdom. Its headquarters are at Green Park in Reading, England. It is owned by Virgin Media O2, a 50:50 ...
. On 1 June 2021, O2 and Virgin Media formally merged to create
Virgin Media O2 VMED O2 UK Limited, trading as Virgin Media O2, is a British mass media and telecommunications company based in Reading, England. The company was formed in June 2021 as a 50–50 joint venture between Liberty Global and Telefónica through ...
as a joint venture between Telefónica and Liberty Global.


1985 to 2005

Between 1985 and 1989, John Carrington was the
CEO A chief executive officer (CEO), also known as a chief executive or managing director, is the top-ranking corporate officer charged with the management of an organization, usually a company or a nonprofit organization. CEOs find roles in variou ...
of
British Telecom BT Group plc (formerly British Telecom) is a British Multinational corporation, multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-li ...
's Mobile Division and the chairman of Cellnet. It was during this period that Carrington launched Cellnet's first cellular service, following innovative development work by BT Spectrum, who built a chain of cells between London Heathrow and
BT Tower The BT Communications Tower, also known simply as the BT Tower, is a Listed building, grade II listed Radio masts and towers, communications tower in Fitzrovia, London, England, owned by BT Group. It has also been known as the GPO Tower, the P ...
in January 1985. Cellnet was established in 1985 as a joint subsidiary of BTCR, British Telecom Cellular Radio, providing the engineering knowledge, and TSCR, Telecom Securicor Cellular Radio Limited, providing the financial investment, resulting in a 60:40
joint venture A joint venture (JV) is a business entity created by two or more parties, generally characterized by shared ownership, shared returns and risks, and shared governance. Companies typically pursue joint ventures for one of four reasons: to acce ...
between British Telecommunications and Securicor. The equipment used was primarily a
Motorola Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois. It was founded by brothers Paul and Joseph Galvin in 1928 and had been named Motorola since 1947. Many of Motorola's products had been ...
system designed for the American
Advanced Mobile Phone System Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort between Bell Labs and Motorola. It was officially introduced in the Americas on October ...
(AMPS) and had to be adapted for the British system, Total Access Communication (TACS). The system was so unready that the initials that Motorola used to designate the network exchanges, EMX, became popularly known as 'European Motorola Experiment' and the exchanges had to be programmed in machine code loaded by tape. In the early days of the system, mobile calls cost £1 per minute. After months of rumours and speculation,
Peter Bonfield Sir Peter Leahy Bonfield (born 3 June 1944) is a business executive who has led a number of companies in the fields of electronics, computers and communications. Currently a director of several companies in the USA, Europe and the Far East, he ...
publicly announced on 27 July 1999 that BT had agreed to buy Securicor's 40 per cent share of Cellnet for £3.15 billion. Cellnet had five million customers at the time of its acquisition. The company was rebranded as BT Cellnet in 2000, and it became a part of BT Wireless, a group of companies owned by BT. BT announced on 3 September 2001 that the BT Wireless business would be spun off from the main group as a newly listed holding company, mmO2 plc, operating under the "O2" brand. Shareholders approved the plan at an
extraordinary general meeting An extraordinary general meeting, commonly abbreviated as EGM, is a meeting of members of an organisation, shareholders of a company, or employees of an official body that occurs at an irregular time.' The term is usually used where the group wo ...
on 23 October 2001. BT Cellnet relaunched as "O2" on 18 June 2002, along with other former BT subsidiaries:
Esat Digifone Telefónica Ireland was a broadband and telecommunications provider in Ireland that traded under the O2 brand (typeset as O2). O2 Ireland was previously called Esat Digifone when it was owned by Esat Telecommunications (and Telenor) from 199 ...
in Ireland, Viag Interkom in Germany and Telfort Mobiel in the Netherlands. The rebranding was supported by a European advertising campaign, which began on 16 April 2002, across all four countries, at a cost of £130 million. The main launch campaign ran from 18 June and was developed by Vallance Carruthers Coleman Priest, working alongside brand consultancy
Lambie-Nairn Superunion, known as Superunion Worldwide Limited legally, was 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 ...
, creators of the "O2" brand identity. In March 2005, mmO2 restructured its shares and the company was relisted as O2 plc.


Telefónica acquisition

On 30 November 2005, O2 agreed to a takeover by
Telefónica , S.A. () is a Spanish multinational telecommunications company with registered office and headquarters located in two different places, both in Madrid, Spain. It is one of the largest telephone operators and mobile network providers in the ...
, a Spanish telecommunications company, for £17.7 billion (£2 per share) in cash. It went through finally in 2006. According to the merger announcement, O2 retained its name and continued to be based in the United Kingdom, keeping both the brand and the management team. The merger became unconditional on 23 January 2006. Following the acquisition of O2, Telefónica undertook a corporate organisational change that saw the merging of its fixed and mobile businesses in Spain, and the transfer of Telefónica's non-Spanish European telecommunications properties into the O2 brand. Thus, the
Český Telecom O2 Czech Republic (operating under the O2 (brand), O2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic's largest providers ...
and Eurotel operations in the Czech Republic as well as the Telefónica Deutschland business in Germany were brought under the control of O2, which retained its UK-registered public company status with its own board of directors and corporate structures and processes. Telefónica chose to keep its existing mobile phone operations in the rest of the world under the brand
Movistar Movistar () is a major telecommunications provider owned by Telefónica, operating in Spain and Hispanic American countries. It is the largest provider of landline, broadband, Mobile telephony, mobile services, and pay television (Movistar Plus+ ...
. This name is used in Spain and in most of the Latin American countries, operated by a separate management team.


Since 2007

On 15 July 2009, O2 entered the
financial services Financial services are service (economics), economic services tied to finance provided by financial institutions. Financial services encompass a broad range of tertiary sector of the economy, service sector activities, especially as concerns finan ...
industry with the launch of O2 Money, which was the first step in the process of incorporating financial services into
mobile phone A mobile phone or cell phone is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones ( landline phones). This rad ...
s. Future plans included manufacturing
Near Field Communication Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of or less. NFC offers a low-speed connection through a simple setup that can be used for the boots ...
(NFC) technology in mobile phones in the United Kingdom. O2 and
Vodafone Vodafone Group Public Limited Company () is a British Multinational company, multinational telecommunications company. Its registered office and global headquarters are in Newbury, Berkshire, England. It predominantly operates Service (economic ...
signed a deal in June 2012 which will see the two companies 'pool' their network technology, creating a single national grid of 18,500
transmitter In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna (radio), antenna with the purpose of sig ...
sites. Both networks will continue to carry their own independent mobile spectrum.


Sale attempts

On 24 November 2014, it was reported that BT were in talks to buy back O2, while at the same time BT confirmed that it was also in talks to buy EE. BT subsequently entered into exclusive talks with EE. On 23 January 2015,
Li Ka-shing Sir Ka-shing Li (; born 29 July 1928) is a Hong Kong billionaire business magnate, investor, and philanthropist. He is the senior advisor for CK Hutchison Holdings and CK Asset Holdings, after he retired from the Chairman of the Board in May ...
, owner of
Hutchison Whampoa Hutchison Whampoa Limited (HWL) was an investment holding company based in Hong Kong. It was a Fortune Global 500 company and one of the largest companies listed on the Hong Kong Stock Exchange. HWL was an international corporation with a dive ...
and the
Three 3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies ...
network (which operates in the UK) entered talks to buy O2 for up to £10.25bn ($15.4bn). However, the move faced scrutiny from competition regulators as it would reduce the number of major operators in the UK, when combined with a potential purchase of EE by BT, from four to three. Hutchison Whampoa had previously acquired the O2 network from Telefónica in the Republic of Ireland, which it has since merged into Three. The combined network would have surpassed EE to create the largest mobile network in the UK. The deal was subject to regulatory approval. The European Commission decided in December 2015 not to refer Hutchison's takeover of Telefónica's O2 business in the UK to the country's
Competition and Markets Authority The Competition and Markets Authority (CMA) is the principal competition regulator in the United Kingdom. It is a non-ministerial government department in the United Kingdom, responsible for promoting competitive markets and tackling unfair beh ...
, which had asked to be allowed to investigate the planned acquisition, arguing that as the British competition regulator, it – and not the Commission – should have the right to rule on the transaction, which it argued 'threatens to affect significantly competition in the UK retail mobile and wholesale mobile markets', claiming that its investigation of the takeover would 'avoid duplication and fragmentation'. On 11 May 2016, the European Commission officially blocked the tie-up of O2 and Three, arguing that the merger would reduce consumer choice and lead to a higher cost of services. In September 2016, Telefónica appointed a number of investment banks to sell the business to investors, ahead of a stock market flotation.


Merger with Virgin Media

On 7 May 2020, it was announced that Telefónica had agreed to merge Telefonica UK with
Liberty Global Liberty Global Ltd. is a British-Dutch-American multinational telecommunications company domiciled in Bermuda, with headquarters in London, Amsterdam and Denver. Its respective legal names are Liberty Global Holdings Limited (UK), Liberty Glo ...
subsidiary
Virgin Media Virgin Media Limited is a British telecommunications company which provides telephone, television and internet services in the United Kingdom. Its headquarters are at Green Park in Reading, England. It is owned by Virgin Media O2, a 50:50 ...
, subject to approval, into a 50/50 joint venture. Subject to approval, the merger was slated for the middle of 2021. The merger was completed on 1 June 2021 with the newly merged company positioning itself as competition with BT.


Outages

In July 2012, O2 had to apologise to almost 8 million customers after a
network switching subsystem Network switching subsystem (NSS) (or GSM core network) is the component of a GSM system that carries out call out and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobi ...
failure led to a 24-hour blackout of the service across the UK and Ireland. The problem, which prevented a third of its customers' phones registering on the network, also affected customers of MVNO networks
Tesco Mobile Tesco Mobile Limited is a mobile virtual network operator (MVNO) in the United Kingdom, Ireland, Slovakia, and the Czech Republic. It is operated by British retailer Tesco, using the network O2 as its carrier except in Ireland, where the networ ...
and Giffgaff. To apologise for this, O2 announced that it would be giving hundreds of thousands of its customers compensation for the issue. Pay monthly customers received a 10 per cent discount on their bill whereas Pay As You Go users received a 10 per cent refund on their first top up in September. On 6 December 2018, a major disruption to the O2 network, caused by faulty software, left up to 32 million users (including those on MVNOs) without access to data services (on both 3G and 4G) for up to 24 hours. During the outage, some voice and text services suffered from congestion.


Network

BT Cellnet launched the world's first
GPRS General Packet Radio Service (GPRS), also called 2.5G, is a mobile data standard on the 2G cellular communication network's Global System for Mobile Communications, global system for mobile communications (GSM). Networks and mobile devices wit ...
network on 22 June 2000, although GPRS-enabled devices were uncommon at that time. O2 publicly announced on 15 December 2009 that it had successfully demonstrated a 4G connection using
LTE LTE may refer to: Science and technology * LTE (telecommunication) (Long-Term Evolution), a mobile telephony standard ** LTE Advanced, an enhancement ** LTE Advanced Pro, a further enhancement * Compaq LTE, a line of laptop computers * Leukotrie ...
technology installed in six masts in
Slough Slough () is a town in Berkshire, England, in the Thames Valley, west of central London and north-east of Reading, at the intersection of the M4, M40 and M25 motorways. It is part of the historic county of Buckinghamshire. In 2021, the ...
. The technology, which was supplied by
Huawei Huawei Technologies Co., Ltd. ("Huawei" sometimes stylized as "HUAWEI"; ; zh, c=华为, p= ) is a Chinese multinational corporationtechnology company in Longgang, Shenzhen, Longgang, Shenzhen, Guangdong. Its main product lines include teleco ...
, achieved a peak downlink rate of 150  Mbps. In January 2012, the company announced plans to provide free internet to millions of residents and visitors in central London, by launching Europe's largest free Wi-Fi zone, along with free Wi-Fi access for anyone on any network in and around every O2 retail store. On 20 February 2013, Ofcom announced that O2 had been awarded spectrum in the 800 MHz band for 4G LTE coverage, bidding around £550 million for the spectrum. This spectrum came with a coverage obligation from Ofcom, and O2 is obliged to provide a mobile broadband service for indoor reception to at least 98 per cent of the UK population (expected to cover at least 99 per cent when outdoors) and at least 95 per cent of the population of each of the UK nations – England, Northern Ireland, Scotland and Wales – by the end of 2017 at the latest. The 4G LTE service became available to customers in London, Leeds and Bradford on 29 August 2013, and expanded to a further ten cities by the end of the year. On 27 March 2017, following the release of iOS 10.3, O2 launched VoLTE (4G) and WiFi Calling for
iPhone 7 The iPhone 7 and iPhone 7 Plus are smartphones that were developed and marketed by Apple Inc. They are the List of iPhone models, tenth generation of the iPhone. They were announced on September 7, 2016, at the Bill Graham Civic Auditorium i ...
and iPhone 7 Plus users, and stated more devices would be eligible at a later date. The facility was later extended to other makes and models of mobile phone.


Former operations


Fixed line and broadband

Alongside mobile telephone services, the company also provided fixed line services and home broadband. O2 purchased Be Un Limited, an
internet service provider An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, no ...
in the UK, for £50 million in June 2006. O2 retained the Be brand, and launched a separate O2-branded broadband service on 15 October 2007, using the Be network. O2 announced in June 2011 a fibre optic broadband service designed to compete with the BT Infinity product, using FTTC technology.
BSkyB Sky UK Limited (formerly British Sky Broadcasting Limited (BSkyB)), trading as Sky, is a British broadcaster and telecommunications company that provides television, broadband internet, fixed line and mobile telephone services to consumers ...
agreed on 1 March 2013 to buy the fixed telephone line and broadband business of Telefonica UK, trading under the O2 and Be brands. The company agreed to pay £180 million initially, followed by a further £20 million after all customers had been transferred to Sky's existing business. The sale was subject to regulatory approval in April 2013, and was subsequently approved by the
Office of Fair Trading The Office of Fair Trading (OFT) was a non-ministerial government department of the United Kingdom, established by the Fair Trading Act 1973, which enforced both consumer protection and competition law, acting as the United Kingdom's economi ...
on 16 May 2013.


Payment system

O2 began trialling a
near-field communication Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of or less. NFC offers a low-speed connection through a simple setup that can be used for the boots ...
(NFC) payment system in 2007. In 2009, O2 was in discussions with large retailers, such as
Tesco Tesco plc () is a British multinational groceries and general merchandise retailer headquartered in the United Kingdom at its head offices in Welwyn Garden City, England. The company was founded by Jack Cohen (businessman), Sir Jack Cohen in ...
and W. H. Smith, for the deployment of the necessary electronic point of sale units, and with handset manufacturers, such as
Apple An apple is a round, edible fruit produced by an apple tree (''Malus'' spp.). Fruit trees of the orchard or domestic apple (''Malus domestica''), the most widely grown in the genus, are agriculture, cultivated worldwide. The tree originated ...
and
Samsung Samsung Group (; stylised as SΛMSUNG) is a South Korean Multinational corporation, multinational manufacturing Conglomerate (company), conglomerate headquartered in the Samsung Town office complex in Seoul. The group consists of numerous a ...
, to enable NFC technology on all future devices. On 23 February 2011, O2 announced it would launch a "second phase" for O2 Money, by discontinuing its branded cash cards in favour of a "mobile wallet" application for Android and
iOS Ios, Io or Nio (, ; ; locally Nios, Νιός) is a Greek island in the Cyclades group in the Aegean Sea. Ios is a hilly island with cliffs down to the sea on most sides. It is situated halfway between Naxos and Santorini. It is about long an ...
devices. The application would use NFC technology embedded in a phone to access money. It was announced on 9 January 2014 that the O2 wallet service would close on 31 March 2014.


Marketing


Branding

The BT Cellnet consumer
brand A brand is a name, term, design, symbol or any other feature that distinguishes one seller's goods or service from those of other sellers. Brands are used in business, marketing, and advertising for recognition and, importantly, to create and ...
was renamed O2 – the chemical symbol for an
oxygen Oxygen is a chemical element; it has chemical symbol, symbol O and atomic number 8. It is a member of the chalcogen group (periodic table), group in the periodic table, a highly reactivity (chemistry), reactive nonmetal (chemistry), non ...
molecule A molecule is a group of two or more atoms that are held together by Force, attractive forces known as chemical bonds; depending on context, the term may or may not include ions that satisfy this criterion. In quantum physics, organic chemi ...
– as were all the group's other businesses (other than Manx Telecom). The rebranding was overseen by the
Lambie-Nairn Superunion, known as Superunion Worldwide Limited legally, was 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 ...
design agency, which developed the idea of the company supplying services that were essential, much the same as oxygen is essential for life. The company logo and associated graphics were designed using air bubbles to present this concept. The bubbles were photographed by London-based photographer Jonathan Knowles. In 2002, O2 used
Leftfield Leftfield are a British electronic music group formed in London in 1989, a duo of Neil Barnes and Paul Daley (the latter formerly of The Rivals and A Man Called Adam). The duo was influential in the evolution of electronic music in the 1990s ...
's dance track " Release the Pressure" in their ads. O2 adopted the slogan "See what you can do" in 2002 after the company's demerger from BT. In April 2008, the slogan changed to "We’re better, connected". In July 2013 the slogan changed to "Be more dog", followed by "More for you" in June 2016 and "Breathe it all in" in September 2018. After the merger of Virgin Media and O2's parent companies, older variations of the slogans returned, now being shared with Virgin Media. The 2008 slogan "We’re better, connected" returned in November 2021, and March 2023 saw the return of O2's original slogan "See what you can do". All of O2's marketing campaigns to date have been created by London advertising agency VCCP.


Sponsorships

O2 currently sponsor the England rugby team, and in 2003 launched a mobile video service allowing customers to download or stream video content related to the
2003 Rugby World Cup The 2003 Rugby World Cup was the fifth Rugby World Cup and was won by England national rugby union team, England. Originally planned to be co-hosted by Australia and New Zealand, all games were shifted to Australia following a contractual dispu ...
. The initial deal was signed in 1995, as Cellnet, and then renewed in 2000 as BT Cellnet. In 2005, Telefónica O2 extended their involvement in
rugby union Rugby union football, commonly known simply as rugby union in English-speaking countries and rugby 15/XV in non-English-speaking world, Anglophone Europe, or often just rugby, is a Contact sport#Terminology, close-contact team sport that orig ...
, signing a new deal with the England rugby team and the
Rugby Football Union The Rugby Football Union (RFU) is the Sports governing body, national governing body for rugby union in England. It was founded in 1871, and was the sport's international governing body prior to the formation of what is now known as World Rugby ...
, as well as O2 rugbyclass and Premier Rugby Ltd for the English Premiership. Their latest renewal of the sponsorship was in 2016, which ran for five years until September 2021 and was again renewed in 2021 for another 5 years till 2026. Additionally, Telefónica O2 had a long-standing relationship with
Arsenal F.C. The Arsenal Football Club, commonly known as simply Arsenal, is a professional football club based in Islington, North London, England. They compete in the Premier League, the top tier of English football. In domestic football, Arsenal h ...
, being their shirt sponsor until the end of the 2005/2006 season. In 2005, a three-year deal was signed that saw Telefónica O2 become the team's exclusive mobile communications partner. O2 were the main sponsor of the
Channel 4 Channel 4 is a British free-to-air public broadcast television channel owned and operated by Channel Four Television Corporation. It is state-owned enterprise, publicly owned but, unlike the BBC, it receives no public funding and is funded en ...
reality TV show '' Big Brother'' from its second series (as BT Cellnet) in 2001 until its fourth series in 2003. They also sponsored the spin-off shows '' Celebrity Big Brother 2'' in 2002 and '' Teen Big Brother'' in 2003. In total O2 sponsored five series of the show.


Naming rights

O2 is the sponsor of
The O2 The O2 (formerly known as the Millennium Dome) is a large entertainment district on the Greenwich peninsula in South East London, England, including an indoor arena, a music club, a Cineworld cinema, an exhibition space, Town square, piazzas, ...
in London. Since its launch in 2007 the
Millennium Dome The Millennium Dome was the original name of the large dome-shaped building on the Greenwich Peninsula in South East (London sub region), South East London, England, which housed a major exhibition celebrating the beginning of the third millen ...
has been transformed and rebranded by O2 into an entertainment venue.
The O2 Arena The O2 Arena, commonly known as The O2, is a multi-purpose indoor arena in the centre of The O2 entertainment district on the Greenwich Peninsula in southeast London, England. It opened in its present form in 2007. It has the third-highest seat ...
was the site of the artistic gymnastics events and medal rounds in basketball for the
2012 Summer Olympics The 2012 Summer Olympics, officially the Games of the XXX Olympiad and also known as London 2012, were an international multi-sport event held from 27 July to 12 August 2012 in London, England, United Kingdom. The first event, the ...
. In February 2017, in a continuation of its agreement with
AEG The initials AEG are used for or may refer to: Common meanings * AEG (German company) ; AEG) was a German producer of electrical equipment. It was established in 1883 by Emil Rathenau as the ''Deutsche Edison-Gesellschaft für angewandte El ...
, the developers of the site, O2 announced that it had renewed its naming rights for a further ten years till 2027.


Academy Music Group venues

Since 2008, O2 is partnered with
Live Nation Live Nation Entertainment, Inc. is an American multinational Entertainment industry, entertainment company that was founded in 2010 following the Mergers and acquisitions, merger of Live Nation (events promoter), Live Nation and Ticketmaster. It ...
, allowing O2 to rename its Academy Music Group music venues. The partnership allows O2 to offer customers priority access to all events at O2 Academy venues as well as Live Nation promoted events across the United Kingdom. The partnership was renewed in 2017 for a further ten years.


Environmental record

In February 2009, O2 became the first mobile telecommunications provider to be certified with the Carbon Trust Standard in recognition of its commitment to reduce its
carbon footprint A carbon footprint (or greenhouse gas footprint) is a calculated value or index that makes it possible to compare the total amount of greenhouse gases that an activity, product, company or country Greenhouse gas emissions, adds to the atmospher ...
. O2 attained the standard after saving 47,000tonnes of carbon over the previous three years through its energy efficiency measures, including a £1.4million distribution of smart metering technology across the company's
cell site A cell site, cell phone tower, cell base tower, or cellular base station is a cellular frequencies, cellular-enabled mobile device site where antenna (electronics), antennas and electronic communications equipment are placed (typically on a Rad ...
s, offices and retail stores, and upgrades to more energy efficient systems across its
mobile phone network A cellular network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called ''cells'', each served by at least one fixed-location transceiver (suc ...
. In addition to distributing energy efficient
LED A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresp ...
lighting and boiler system controls, the company was also able to reduce energy use by removing
air conditioning Air conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature, and in some cases, also controlling the humidity of internal air. Air c ...
units from some of its cell sites and reducing
computer monitor A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a electronic visual display, visual display, support electronics, power supply, Housing (engineering), housing, electri ...
standby times. O2 is a voluntary participant in the 10:10 climate change campaign, which required participants to cut their carbon emissions by 10 per cent by the end of 2010, and has since broadened its approach to include a range of projects focused on carbon reduction and
renewable energy Renewable energy (also called green energy) is energy made from renewable resource, renewable natural resources that are replenished on a human lifetime, human timescale. The most widely used renewable energy types are solar energy, wind pow ...
.


Controversy

In July 2016 cyber security company Insinia raised fears that customer data from an O2 cyber breach was being sold on the
dark web The dark web is the World Wide Web content that exists on darknets ( overlay networks) that use the Internet but require specific software, configurations, or authorization to access. Through the dark web, private computer networks can communica ...
. O2 denied this was true telling the BBC: "We have not suffered a data breach. Credential stuffing is a challenge for businesses and can result in many company's customer data being sold on the dark net". In October 2017, an inquiry was launched in the UK concerning overcharging customers for handset sales integrated with the data and call charges. Responding to questions, O2's CEO indicated that the company's billing allows for separation of handset charges and telephony/data charges. He added that "if we can do it, they can do it too" in reference to Vodafone and EE, O2's biggest competitors and the UK's top three mobile-telecoms companies.


References


External links

* {{Authority control Virgin Media O2 British subsidiaries of foreign companies Companies formerly listed on the London Stock Exchange Telefónica Telecommunications companies of the United Kingdom Companies based in Slough Telecommunications companies established in 1984 Mobile phone companies of the United Kingdom 1984 establishments in England 2021 mergers and acquisitions