Electronics companies of the United Kingdom

defense, security and aerospace company

Amstrad plc was a British consumer electronics company, founded in 1968 by Alan Sugar. During the 1980s, the company was known for its home computers beginning with the Amstrad CPC and later also the ZX Spectrum range after the Sinclair deal, which led it to have a substantial share of the home computer market in Britain. In the following decade it shifted focus towards communication technologies, and its main business during the 2000s was the manufacture of satellite television set-top boxes for Sky, which Amstrad had started in 1989 as the then sole supplier of the emerging Sky TV service.

Vertu (stylised VERTU) is a Hong Kong based manufacturer and retailer of luxury mobile phones. The company was originally established in London in 1998 as a subsidiary of the Finnish telecommunications company Nokia.

British consumer electronics company

former company

Mathmos Limited is a British company that sells lighting products, most famously the lava lamp invented by its founder Edward Craven Walker. It is headquartered in its factory in Poole, Dorset.

Ferranti International PLC or simply Ferranti was a UK-based electrical engineering and equipment firm that operated for over a century, from 1885 until its bankruptcy in 1993. At its peak, Ferranti was a significant player in power grid systems, defence electronics, and computing, and was once a constituent of the FTSE 100 Index.

defence arm of the defunct General Electric Company (1897-1999)

The Plessey Company plc was a British electronics, defence and telecommunications company. It originated in 1917, growing and diversifying into electronics. It expanded after World War II by acquisition of companies and formed overseas companies. It was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index. In 1989, it was taken over by a consortium formed by GEC and Siemens which split the assets of the Plessey group.

United Kingdom manufacturing and research company

thumb|Megger site in Dover, England, UK

UK electronics company

Wileyfox was a British smartphone manufacturer founded in 2015. It went into administration on 6 February 2018. On 19 March 2018 it was announced that Santok Group had agreed a licensing deal covering sales of handsets in Europe and South Africa.

British-based distributor of industrial and electronics products

electronics and IT subsidiary of Finmeccanica S.p.A., 2013–2015

British manufacturer of telecommunications equipment

Racal Electronics plc was a British electronics company that was founded in 1950. Listed on the London Stock Exchange and once a constituent of the FTSE 100 Index, Racal was a diversified company, offering products including voice recorders and data recorders, point of sale terminals, laboratory instruments and military electronics, including radio and radar. At its height, Racal was the third largest British electronics firm; it operated worldwide and employed over 30,000 people. £1,000 invested in Racal in 1961 would have been worth £14.5million in 2000.

Broadband cable company

Sepura Limited is a British telecommunications equipment provider that develops and supplies radio terminals, accessories and software applications for business and mission critical communications. The company specialises in Terrestrial Trunked Radio (TETRA) and LTE (telecommunication) technology.

German company

former Franco-British aerospace company

Datel ( ; previously Datel Electronics) is a UK-based electronics and game console peripherals manufacturer. As of 2025, Datel Electronics Limited is an active company registered in the United Kingdom, continuing to develop and manufacture video game peripherals and enhancement products. The company is best known for producing a wide range of hardware and peripherals for home computers in the 1980s, for example replacement keyboards for the ZX Spectrum, the PlusD disk interface (originally designed and sold by Miles Gordon Technology) and the Action Replay series of video game cheating devices

Binatone is a British-Chinese telecommunications company. Binatone was started in the United Kingdom in 1958 by two brothers, Gulu Lalvani and Partap Lalvani, to import and distribute consumer electronics. The company was named after their sister, Bina. Binatone manufactures products under its own brand apart from utilising the AEG and Motorola brands under licence.

thumb|Memotech MTX512 computer

thumb|upright|A Mullard TDD4 valve. The gold spray coating served no purpose other than to hide the blackened interior, as Mullard valves were still manufactured using the azide process, long abandoned by other makers. upright|thumb|A Mullard EL34 power pentode thumb|An EL84 valve made in Russia in the 21st century

British electronics manufacturer brand owned by Home Retail Group and sold exclusively at Argos