| G Sign Norwich Ltd | Norwich | 2022 |
| G T Active Ltd | Leeds | 2023 |
| G Tennis Ltd | London | 2018 |
| G W D Performance Ltd | Luton | 2016 |
| G W D Sandy Limited | Luton | 2025 |
| G Walker Golf Limited | Sheffield | 2009 |
| G&A Entertainment & Production Ltd | Luton | 2024 |
| G&C Robertson Limited | Kettering | 2026 |
| G&D CUE Sports Ltd | West Molesey | 2025 |
| G&D Davison Ltd | Nottingham | 2012 |
| G&E Events Ltd | Sandwich | 2025 |
| G&G Aerial Yoga Limited | Sandown | 2022 |
| G&G Fitness Ltd | London | 2023 |
| G&H Fitness Ltd | Bognor Regis | 2021 |
| G&J Entertainment Ltd | Rainham | 2021 |
| G&L Fitness Ltd. | Carlisle | 2014 |
| G&L Leisure Funfair Ltd | Rochdale | 2023 |
| G&Ml Sports Limited | London | 2018 |
| G&N Productions Ltd | Bristol | 2024 |
| G&O Events Limited | Kettering | 2025 |
| G&P Sports Management Ltd | Liverpool | 2022 |
| G&S Dance Ltd | Esher | 2024 |
| G&S Productions Ltd | London | 2025 |
| G&S Sports Limited | Leominster | 2015 |
| G&T Event Consultants Limited | Cobham | 2026 |
| G&T Fitness Limited | Tamworth | 2020 |
| G&T Outdoor Events Ltd | Gravesend | 2023 |
| G'S Health & Fitness Limited | London | 2022 |
| G-Azzr Group Ltd | London | 2025 |
| G-Bbrc Limited | Woking | 1991 |
| G-Bkvg Limited | Honiton | 1985 |
| G-Bmmp Ltd | Wrexham | 2003 |
| G-D Website Limited | Manchester | 2025 |
| G-Events Limited | Wembley | 2012 |
| G-Fit Studio & Personal Training Limited | Washington | 2018 |
| G-Force Fireworks Ltd | Evesham | 2000 |
| G-Force Reformer Pilates Limited | London | 2026 |
| G-Force-Active Ltd | Liss | 2021 |
| G-Ipce Aviation Limited | Beccles | 2020 |
| G-Lite Limited | Cobham | 2014 |
| G-Sport Ltd | Bournemouth | 2013 |
| G-Wiz Entertainment Ltd | Todmorden | 2013 |
| G. & T. Williams (Course) Limited | Swindon | 1970 |
| G. Barzily Limited | London | 2019 |
| G. C. T. T. Limited | Surrey | 2002 |
| G. Eustache JNR Ltd | London | 2022 |
| G. Ioannou Limited | Surrey | 2005 |
| G. Shields & SON Community Interest Company | Sleaford | 2001 |
| G. Summers Leisure Limited | Manchester | 1991 |
| G. Wilson Contracts Limited | East Lothian | 1990 |
| G.A. Estate Agency Limited | Glasgow | 1973 |
| G.A.Alma Portuguesa CIC | Crawley | 2026 |
| G.A.P. Event Concessions Ltd | London | 2024 |
| G.B Fitness Studio Ltd | Newtownabbey | 2015 |
| G.B. Rowing Limited | London | 1998 |
| G.Beatz CIC | Gillingham | 2021 |
| G.C. Golf Services Ltd | Chesterfield | 2024 |
| G.C.C.F. Ltd | Bridgwater | 2009 |
| G.C.I Entertainments Ltd | London | 2024 |
| G.C.M.C. (Wrexham) Limited | Oswestry | 2017 |
| G.E.S.T. (MX) Hastings MCC Limited | Romney Marsh | 2004 |
| G.G EV3NTS Ltd | London | 2022 |
| G.I Events Group Limited | Cardiff | 2020 |
| G.I. JOE Personal Training Ltd | Llanelli | 2020 |
| G.I.F.T. Martial Arts UK Ltd | Hertfordshire | 2007 |
| G.I.L. & Co Promotions Limited | Edinburgh | 2016 |
| G.I.L. Leisure Ltd | Bury | 2017 |
| G.M. Leisure Limited | Sunderland | 1997 |
| G.O.A.T Events U.K Limited | London | 2023 |
| G.R.E.S Cidade Brilhante Limited | Brighton | 2007 |
| G.S.Lashmar Limited | Woking | 1946 |
| G.S.M. (Global Sports Management) Ltd | Southport | 2003 |
| G.S.S. (Dundee) Ltd | Dundee | 2023 |
| G.T. Productions Limited | London | 1956 |
| G.V.H. Costume Limited | Buckingham | 2012 |
| G.W. Theatre Company Limited | Mossley | 1987 |
| G.W.Carrigill Limited | Leeds | 1962 |
| G.Y.G. Karting Limited | Corwen | 2002 |
| G1 Golf Ltd | Shotts | 2025 |
| G10 Sports and Arts CIC | Hawick | 2018 |
| G15 Ltd | Abercynon | 2024 |
| G180 Ltd | Worthing | 2025 |
| G2 Entertainment Group Limited | London | 2016 |
| G2 Live Ltd | Leatherhead | 2009 |
| G2 Outdoor Ltd | Kingussie | 2004 |
| G2-WELL Community Interest Company | Glasgow | 2016 |
| G23LAB Ltd | London | 2022 |
| G28 Coaching Ltd | Manchester | 2022 |
| G2EVENTS Ltd | Middlesbrough | 2018 |
| G39 | Cardiff | 2000 |
| G4 F.C Limited | Sidcup | 2025 |
| G4 Graphics Limited | Halifax | 2006 |
| G4 Sports Group Limited | Maldon | 2025 |
| G42 Studios Ltd | Liverpool | 2019 |
| G45 Fitness CIC | Carrickfergus | 2025 |
| G4P(IP) Ltd | Edinburgh | 2025 |
| G5 Evolution Ltd | Nailsworth, Glos | 2017 |
| G5 Sports Consulting Limited | Halesowen | 2012 |
| G5 Sports Events Limited | Kidderminster | 2024 |
| G64 Ltd | Glasgow | 2018 |