Consumer electronics retailers of the United Kingdom

InterTAN Canada Ltd. was created by Tandy Corporation in 1986 to operate Radio Shack stores in Canada, Europe and Australia. After the UK locations, which were branded 'Tandy', were sold to Carphone Warehouse in 1999 and the Australian locations (which were also branded 'Tandy') to Woolworths Limited in 2001, the company's primary asset was the RadioShack franchise for Canada. InterTAN's relationship with RadioShack was terminated in 2005, after InterTAN became a wholly owned subsidiary of Circuit City on May 19, 2004.

Dixons Retail plc was one of the largest consumer electronics retailers in Europe, which merged with Carphone Warehouse in 2014 to create Dixons Carphone, which was renamed Currys plc in 2021. In the United Kingdom, the company operated Currys, Currys Digital, PC World (with stores increasingly dual-branded 'Currys PC World'), Dixons Travel and its service brand Knowhow.

Carphone Warehouse is a mobile phone retailer based in London, United Kingdom. In August 2014 the company became a subsidiary of Currys plc (previously named "Dixons Carphone"), which was formed by the merger of its former parent Carphone Warehouse Group with Dixons Retail. Prior to this merger, Carphone Warehouse Group was listed on the London Stock Exchange, and was a constituent of the FTSE 250 Index. Following the closure of all stand-alone UK stores in April 2020, all remaining Carphone Warehouse UK outlets were within branches of Currys PC World. In April 2021, the Carphone Warehouse business in Ireland (including all stand-alone and co-located branches and the website) was closed with immediate effect. Currys continued to use the Carphone Warehouse brand in the United Kingdom, online and, until 2021, inside Currys stores.

The Discovery Store (also known as Must Have It) was a British high-street chain of stores, predominantly selling novelty gadgets, toys and lighting products. It was best known for being led by Phones 4u founder John Caudwell (as part of The Caudwell Group) from 2001 to 2005.

Watford Electronics was a British computer electronics company. It was founded in 1972 in a bedroom belonging to brothers Nazir and Raza Jessa, and grew to become one of the best-known suppliers of microcomputers and micro peripherals during the 1980s.

The Gadget Shop (stylised gadgetshop) was a national British high-street chain of stores, predominantly selling gadgets, toys and lighting products, founded by Jonathan Elvidge in 1991. At its height, it was one of the leading UK novelty gadget retailers. The chain went into administration in 2005, and subsequently closed. Its assets have previously been owned by The Entertainer, and are currently owned by WHSmith.

Micro Warehouse Inc, stylised as MicroWarehouse and MicroWAREHOUSE, was a mail order seller of computer hardware.

Pimoroni Ltd is a hobbyist electronics company based in Sheffield, Yorkshire, UK.

Cash Gen UK Limited, trading as Cash Generator, is a United Kingdom–based Buy and Sell store. Its headquarters are in Edinburgh, United Kingdom. The retailer opened its first store in Bolton in February 1994. The company has expanded, with corporate and franchise stores, and currently has 120+ stores across the United Kingdom (2018).

Clydesdale was a Scottish retailer of electrical goods. At one point, it was Scotland's largest electrical retailer and owned and operated a range of retail businesses including Grampian Discount Stores, James Scott & Co (Electrical), D McDonald & Bros and Scoop (Home Furnishings), Thompsons Music (Pianos and Musical Instruments), Clydesdale Security Systems (Alarms), ConstantCare (TV/Audio Servicing), KG Carriers (distribuition & deliveries). The company went into liquidation in January 1994. Various assets were purchased by Scottish Power, Granada UK Rental and other companies.