British companies established in 1927

Vickers-Armstrongs Limited was a British engineering conglomerate formed by the merger of the assets of Vickers Limited and Sir W G Armstrong Whitworth & Company in 1927. The majority of the company was nationalised in the 1960s and 1970s, with the remainder being divested as Vickers plc in 1977.

BBC Radio is an operational business division and service of the British Broadcasting Corporation (BBC) which has operated in the United Kingdom under the terms of a royal charter since 1927. The service provides national radio stations covering the majority of musical genres, as well as local radio stations covering local news, affairs and interests. It also oversees online audio content.

Penfold Golf Ltd. is a British sporting goods manufacturer of golf equipment founded in 1929 by Albert Ernest Penfold (1884–1941). Golf equipment include balls, tees, gloves, apart from fashion accessories such as hats and wallets.

Jack Barclay Bentley is the world's largest and oldest Bentley dealership and part of the H.R. Owen motor retailing group.

Robert McGregor & Sons, also known just as Mc Gregor was a large civil engineering company based in Boothstown, in what is now Greater Manchester, England.

Gillespie, Kidd & Coia was a Scottish architectural firm famous for their application of modernism in churches and universities, as well as at St Peter's Seminary in Cardross. Though founded in 1927, they are best known for their work in the post-war period. The firm was wound up in 1987.

Victor Gollancz Ltd was a major British book publishing house of the twentieth century and continues to publish science fiction and fantasy titles as an imprint of Orion Publishing Group.

The Cirrus and Hermes or Cirrus-Hermes are a series of British aero engines manufactured, under various changes of ownership, from the 1920s until the 1950s. The engines were all air-cooled, four-cylinder inline types, with earlier ones upright and later designs inverted.

The Seizin Press was a small press, founded in 1927 by Laura Riding and Robert Graves in London from 1928 until 1935. From 1930 it was based in Majorca.