| Gate Theatre Company Limited(The) | London | 1980 |
| Gate Theatre Productions Limited | London | 2015 |
| Gate Trust Limited | Cardiff | 2000 |
| Gatebridge Farm Limited | Ripon | 2020 |
| Gatecon Limited | Cheltenham | 2015 |
| Gatecrasher Productions Community Interest Company | Scarborough | 2022 |
| Gatefield Events Limited | Faversham | 2025 |
| Gatehampton Ventures Ltd | Reading | 2020 |
| Gatehouse Music Ltd | Salisbury | 2019 |
| Gatehouse of Fleet Ymca | Castle Douglas | 2001 |
| Gatekeeper Events Ltd | Leicester | 2025 |
| Gates Museum Ltd | Castle Cary | 2021 |
| Gates of the West Limited | Ilfracombe | 2015 |
| Gateshead Active Ltd | Gateshead | 2023 |
| Gateshead Fell Community Football CIC | Gateshead | 2023 |
| Gateshead Football Club Limited | Gateshead | 1977 |
| Gateshead Rugby Football Club Limited | Gateshead | 2018 |
| Gateshead Snooker Centre Limited | Gateshead | 1983 |
| Gateshead Stadium Panto Ltd | Newcastle Upon Tyne | 2018 |
| Gateway Cycling | London | 2016 |
| Gateway Management Limited | Waterlooville | 2025 |
| Gateway Resort Ltd | Llanelli | 2014 |
| Gateway Scuderia Limited | Southend On Sea | 2024 |
| Gateway to FMA Limited | Shirley | 2016 |
| Gatewick Gardens Ltd | Steyning | 2026 |
| Gather & Glide Ltd | Newquay | 2021 |
| Gather & Rise Ltd | Umberleigh | 2026 |
| Gather - Longlands Limited | Bristol | 2025 |
| Gather Community Club and Classes Ltd | Stoke-On-Trent | 2024 |
| Gather Gather Limited | Ludlow | 2024 |
| Gather Glass Limited | London | 2019 |
| Gather Round Theatre Ltd | Forfar | 2025 |
| Gather UP Ltd | Bristol | 2023 |
| Gather: Creative Workspace CIC | Glasgow | 2021 |
| Gathered Together Limited | Leicester | 2022 |
| Gathering of the North Ltd | Newark | 2026 |
| Gatherley Equestrian Ltd | Richmond | 2012 |
| Gathurst Golf Club Limited | Wigan | 1963 |
| GATKINSON37 Ltd | Newport | 2024 |
| Gatley Golf Club,Limited(The) | Manchester | 1950 |
| Gator Events Ltd | Stoke-On-Trent | 2018 |
| Gatsby Jewellery Limited | Billericay | 2014 |
| Gatsby West END Limited | London | 2024 |
| Gatten Shoot Limited | Shrewsbury | 2015 |
| Gatton Community Theatre Limited | Tadworth | 2000 |
| Gatwick Aviation Museum | Crawley | 1999 |
| Gatwick Flyers (2008) Trampoline Club | Horsham | 2008 |
| Gatwick Footgolf Centre Limited | Horley | 2016 |
| Gatwick Leisure Services Ltd | Horley | 2019 |
| Gatwick Warriors Football Club CIC | Crawley | 2022 |
| Gaudium Taverns Ltd | Milton Keynes | 2024 |
| Gauge O Sales Ltd | Ryde | 2025 |
| Gaulthier Limited | Stanmore | 2013 |
| Gaun Yersel' Workshop Community Interest Company | Strathaven | 2025 |
| Gauntlett Boxing Club Limited | Epsom | 2014 |
| Gavcorp Ltd | Nottingham | 2020 |
| Gavin Abson Golf Limited | Liverpool | 2016 |
| Gavin Aitken Coaching Ltd | Shotts | 2024 |
| Gavin Green Limited | Richmond | 2002 |
| Gavin HQ Limited | Pinner | 2003 |
| Gavin Kalin Productions Limited | London | 2013 |
| Gavin Mcgrath Creative Ltd | Forest Row | 2025 |
| Gavin Parkhouse Limited | Hungerford | 2009 |
| Gavin Reader Limited | Seaham | 1992 |
| Gavin Rumgay Racket Sports Limited | London | 2017 |
| Gavin Sheehan Racing Ltd | Abingdon | 2014 |
| Gavin the Champ Ltd | London | 2013 |
| Gavin Thomas Design Consultants Limited | Tonbridge | 1985 |
| Gavin Thomson Design Limited | Middlesex | 2005 |
| Gavray Community Meadows Limited | Bicester | 2023 |
| Gawain Hewitt Limited | Berwick-Upon-Tweed | 2015 |
| Gawgo Ltd | Coventry | 2025 |
| GAY City Bowlers C.I.C. | Manchester | 2024 |
| Gaya in Art Limited | Ilford | 2011 |
| Gaydio Events Ltd | Manchester | 2024 |
| Gayle Mill Trust | Leyburn | 2004 |
| Gayle Vickers Limited | Oxted | 2009 |
| Gayleforce Fitness Ltd | London | 2019 |
| Gayns Limited | London | 2024 |
| Gayton Pool Limited | Derby | 2010 |
| GAZ Coombes Limited | London | 2011 |
| Gazdon Ramsay Ltd | Bristol | 2022 |
| Gazella Entertainment Limited | London | 2024 |
| Gazelle Theatre CIC | Huntingdon | 2024 |
| Gazenny Limited | London | 1976 |
| Gazfi Limited | York | 1989 |
| Gazza Limited | Guildford | 1976 |
| Gazzabash Ltd | Maidstone | 2008 |
| GB Aesthetic Group Gymnastics Federation Limited | London | 2019 |
| GB Art Limited | Tonbridge | 2010 |
| GB Automatics Ltd | Eastbourne | 2016 |
| GB Badminton Club | London | 2024 |
| GB Bootcamp Colchester Ltd | Colchester | 2022 |
| GB Boxing Events Limited | Sheffield | 2017 |
| GB Chin WOO Athletic Association Ltd | Wembley | 2026 |
| GB Coaching Ltd | London | 2020 |
| GB Creative Services Limited | Sidcup | 2017 |
| GB Curling Ltd | Newbridge | 2026 |
| GB Dancesport Ltd | Harrow | 2020 |
| GB Disabled Strongman Ltd | London | 2026 |