Renishaw plc is a British

engineering Engineering is the use of scientific method, scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad rang ...

company based in

Wotton-under-Edge Wotton-under-Edge is a market town within the Stroud district of Gloucestershire, England. Located near the southern fringe of the Cotswolds, the Cotswold Way long-distance footpath passes through the town. Standing on the B4058, Wotton is ab ...

, England. The company's products include

coordinate-measuring machine A coordinate measuring machine (CMM) is a device that measures the geometry of physical objects by sensing discrete points on the surface of the object with a probe. Various types of probes are used in CMMs, the most common being mechanical and l ...

s and machine tool products. It is listed on the

London Stock Exchange London Stock Exchange (LSE) is a stock exchange in the City of London, England, United Kingdom. , the total market value of all companies trading on LSE was £3.9 trillion. Its current premises are situated in Paternoster Square close to St Pau ...

and is a constituent of the

FTSE 250 Index The FTSE 250 Index ( "Footsie") is a capitalisation-weighted index consisting of the 101st to the 350th largest companies listed on the London Stock Exchange. Promotions and demotions to and from the index occur quarterly in March, June, Septemb ...

History

The company was founded by Sir

David McMurtry Sir David Roberts McMurtry, (born 15 March 1940) is an Irish-British billionaire, the co-founder and executive chairman of Renishaw plc, the UK's largest supplier of metrology equipment. As of October 2021, his net worth was estimated at US$1. ...

and John Deer in 1973. McMurtry had needed to measure fuel pipes on a prototype jet

engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power gen ...

: at the time,

sensors featured rigid styli, which required manual positioning on the surface and which yielded poor repeatability when measuring delicate components. To meet this need, McMurtry invented a touch-trigger probe device, which he then

patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A p ...

ed. The probe featured an elegant 'kinematic' location for a spring-loaded stylus, providing a highly repeatable seated position for the stylus combined with the compliance needed to measure such components. Renishaw was first listed on the

in November 1984. In 2006 the Company bought 'itp', a

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

manufacturer of precision styli. In early 2009 the

global recession A global recession is recession that affects many countries around the world—that is, a period of global economic slowdown or declining economic output. Definitions The International Monetary Fund defines a global recession as "a decline i ...

reached Renishaw, resulting in a large proportion of the workforce being placed "at risk". In 2010 Renishaw bought a stake (and subsequently took complete control) of Measuring Devices Ltd, a company providing a range of services in the field of surveying equipment. In 2011 Renishaw purchased the 400,000 sq ft Bosch plant in

Miskin Miskin ( cy, Meisgyn) is a village approximately south of Llantrisant in the county borough of Rhondda Cynon Taf, Wales. The origin of the village was a small hamlet known as New Mill, which grew up around New Mill farm. Miskin is part of th ...

, Wales.

Operations

The company's product portfolio includes touch probes for

CNC Numerical control (also computer numerical control, and commonly called CNC) is the automated control of machining tools (such as drills, lathes, mills, grinders, routers and 3D printers) by means of a computer. A CNC machine processes a p ...

machine tools,

calibration In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy. Such a standard could be another measurement device of know ...

systems that optimise the performance of CNC machinery,

linear encoder A linear encoder is a sensor, transducer or readhead paired with a scale that encodes position. The sensor reads the scale in order to convert the encoded position into an analog or digital signal, which can then be decoded into position by a di ...

systems,

rotary encoder A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to analog or digital output signals. There are two main types of rotary encoder: absolute and increme ...

systems,

additive manufacturing 3D printing or additive manufacturing is the construction of a three-dimensional object from a CAD model or a digital 3D model. It can be done in a variety of processes in which material is deposited, joined or solidified under computer co ...

machines, dental

CAD/CAM CAD/CAM refers to the integration of Computer-aided design (CAD) and Computer-aided manufacturing (CAM). Both of these require powerful computers. ''CAD'' software helps designers and draftsmen; ''CAM'' "reduces manpower costs" in the manufactur ...

systems,

Raman spectroscopy Raman spectroscopy () (named after Indian physicist C. V. Raman) is a spectroscopic technique typically used to determine vibrational modes of molecules, although rotational and other low-frequency modes of systems may also be observed. Raman sp ...

and medical devices for functional

neurosurgery Neurosurgery or neurological surgery, known in common parlance as brain surgery, is the medical specialty concerned with the surgical treatment of disorders which affect any portion of the nervous system including the brain, spinal cord and peri ...

applications.

Locations

Renishaw's main offices are situated in

Gloucestershire Gloucestershire ( abbreviated Glos) is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn and the entire Forest of Dean. The county town is the city of Gl ...

in an old

watermill A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of ...

, with several new buildings on a site. The company has a machine shop located at

Stonehouse, Gloucestershire Stonehouse is a town in the Stroud District of Gloucestershire in southwestern England. The town centre is 2.5 miles east of the M5 motorway, junction 13. Stonehouse railway station has a regular train service to London. The town is situated ...

, and an assembly facility at

Woodchester Woodchester is a Gloucestershire village in the Nailsworth (or Woodchester) Valley, a valley in the South Cotswolds in England, running southwards from Stroud along the A46 road to Nailsworth. The parish population taken at the 2011 census was ...

, both near

Stroud Stroud is a market town and civil parish in Gloucestershire, England. It is the main town in Stroud District. The town's population was 13,500 in 2021. Below the western escarpment of the Cotswold Hills, at the meeting point of the Five ...

. There are further assembly facilities in

Dublin Dublin (; , or ) is the capital and largest city of Republic of Ireland, Ireland. On a bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, bordered on the south by the Dublin Mountains, a part of th ...

(

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

) and

Pune Pune (; ; also known as Poona, (List of renamed Indian cities and states#Maharashtra, the official name from 1818 until 1978) is one of the most important industrial and educational hubs of India, with an estimated population of 7.4 million ...

(

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

). Renishaw also has research facilities located in

Edinburgh Edinburgh ( ; gd, Dùn Èideann ) is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. Historically part of the county of Midlothian (interchangeably Edinburghshire before 1921), it is located in Lothian ...

and

Ljubljana Ljubljana (also known by other historical names) is the capital and largest city of Slovenia. It is the country's cultural, educational, economic, political and administrative center. During antiquity, a Roman city called Emona stood in the ar ...

Sale of Renishaw

On 2 March 2021, David McMurtry and John Deer indicated that they wished to dispose of their entire holdings in Renishaw, comprising some 53% of the shares, as 'we recognise that neither of us is getting any younger'. The Renishaw board then announced that it was launching a formal sale process for the entire company. This process was terminated on 7 July 2021, the board concluding that none of the proposals met their objectives.

References

External links

Official site
{{Authority control Engineering companies of the United Kingdom Companies listed on the London Stock Exchange Companies based in Stroud, Gloucestershire Technology companies established in 1973 Wotton-under-Edge 1973 establishments in England