
Accles & Shelvoke is a company based in the English Midlands, founded in 1903 by James George Accles and James Shelvoke as Bennett's Successors Ltd, adopting its present name in 1913. It is a manufacturer of humane slaughtering pistols, and has developed them since the early twentieth century. Since 1952 it has also manufactured cable spikers, used to ensure high-voltage electrical cables are de-energised prior to working on them. In 2017, the company was acquired by Frontmatec.

Accuracy International is a British firearms manufacturer based in Portsmouth, Hampshire, England. The company produces the Accuracy International Arctic Warfare series of precision sniper rifles. The company was established in 1978 by British Olympic shooting gold medallist Malcolm Cooper, MBE (1947–2001), Sarah Cooper, Martin Kay, and the designers of the weapons, Dave Walls and Dave Caig. The founders were professional international or national target shooters. Accuracy International's high-accuracy sniper rifles are used internationally in military units and police departments.

The Birmingham Small Arms Company Limited (BSA) was a major British industrial combine, a group of businesses manufacturing military and sporting firearms; bicycles; motorcycles; cars; buses and bodies; steel; iron castings; hand, power, and machine tools; coal cleaning and handling plants; sintered metals; and hard chrome process.

Eley Brothers were a British manufacturer of firearms cartridges at the ELEY Cartridge Factory, located in Edmonton and bordered by the River Lee Navigation and the Great Eastern Railway at Angel Road. Today, ELEY is globally recognised as the leading manufacturer of the most consistently accurate .22LR rimfire ammunition.

The Gun Quarter is a district of the city of Birmingham, England, which was for many years a centre of the world's gun-manufacturing industry, specialising in the production of military firearms and sporting guns. It is an industrial area to the north of the city centre, bounded by Steelhouse Lane, Shadwell Street and Loveday Street.

IMI plc, formerly Imperial Metal Industries, is a British-based engineering company headquartered in Birmingham, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

J. Roberts & Son is a British manufacturer of shotguns and rifles.

John Rigby & Company is a gunmaking firm founded by John Rigby in 1775 in Dublin. The company was established by the first John Rigby in Dublin, Ireland, apparently in 1775; his grandson, also John, opened a London branch in 1865; and Dublin operations had ceased by February 1897. The company is now owned by Lüke & Ortmeier Gruppe and is based in Vauxhall, central London, under the supervision of Managing Director, Marc Newton.

Kynoch was a manufacturer of ammunition, later incorporated into ICI but remaining as a brand name for sporting cartridges.

The London Armoury Company was a London arms manufactory that existed from 1856 until 1866. It was the major arms supplier to the Confederacy during the U.S. Civil War. The same company name was used during World War I to import arms from America such as the Colt New Service Revolver in 455 Eley.

The London Small Arms Company Ltd was a British Arms Manufacturer from 1866 to 1935.

Parker-Hale Ltd. was a British firearms, air rifle and firearms accessory manufacturer, located in the Gun Quarter of the city of Birmingham, England. It was founded by Alfred Gray Parker and Arthur Hale.

James Purdey & Sons, or simply Purdey, is a British gunmaker based in London, specialising in high-end bespoke sporting shotguns and rifles. Purdey holds three Royal Warrants of appointment as gun and rifle makers to the British and other European royal families.

William Westley Richards was a British firearms manufacturer and founder of Westley Richards.

The Royal Small Arms Factory (RSAF) was a UK government-owned rifle factory in Enfield, adjoining the Lee Navigation in the Lea Valley. The factory produced British military rifles, muskets and swords from 1816. It closed in 1988, but some of its work was transferred to other sites.

Thomas Ketland & Co. was a firearms manufacturer founded in Birmingham, England c. 1760.

W.W. Greener is a sporting shotgun and rifle manufacturer from England. The company produced its first firearm in 1829 and is still in business, with a fifth generation Greener serving on its board of directors.

W.J. Jeffery & Co was a London gun and rifle maker.

Webley & Scott is an arms manufacturer founded in Birmingham, England. Webley produced handguns and long guns from 1834 to 1979, when the company ceased to manufacture firearms and instead turned its attention to producing air pistols and air rifles. In 2010 Webley & Scott restarted the production of shotguns for commercial sale.