| GH Creative Ltd | Borehamwood | 2025 |
| GH Industries Limited | London | 2018 |
| GH Media Limited | Coventry | 2008 |
| GH Newry Ltd | Newry | 2012 |
| GH on Course Ltd | Newry | 2012 |
| GH Scenic Ltd | London | 2023 |
| GH2 Ltd | Edinburgh | 2019 |
| Ghadjar Limited | London | 2021 |
| Ghakin Tattoo Ltd | St. Austell | 2023 |
| Ghana Carnival Ltd | London | 2025 |
| Ghana Gospel Artists (UK) Limited | London | 2017 |
| Ghana International Supporters Union Ltd | London | 2026 |
| Ghanagold Limited | London | 2012 |
| Ghazal Jafari Tattoo Art Ltd | Whitley Bay | 2022 |
| Ghazali Trust | Oldham | 2011 |
| Ghbox Ltd | Ballycastle | 2024 |
| Ghdc Limited | London | 2012 |
| Ghel Pottery Ltd | Faversham | 2022 |
| Ghestenye Ltd | London | 2025 |
| Ghetto Lincs. C.I.C. | Grimsby | 2014 |
| GHF West END Limited | London | 2015 |
| Ghfhealth Limited | St. Albans | 2024 |
| Ghgh UK Ltd. | Nottingham | 2016 |
| Ghigi Limited | Leicester | 1996 |
| Ghillie 1409 Ltd | Armadale | 2014 |
| GHM Wave Ltd | London | 2023 |
| Ghmusic Ltd | London | 2003 |
| Ghost Chant Productions Limited | Teddington | 2013 |
| Ghost Competitions Ltd | Coleraine | 2020 |
| Ghost Concepts Limited | London | 2018 |
| Ghost Dog Films Project 4 Limited | Telford | 2021 |
| Ghost Elusive Combat Limited | Sturminster Newton | 2021 |
| Ghost Gainz Coaching Ltd. | Nottingham | 2026 |
| Ghost Gallery Limited | Pontypridd | 2020 |
| Ghost Hunt Events Limited | Gillingham | 2012 |
| Ghost Kitten Productions Ltd | Leeds | 2025 |
| Ghost Light Studios Ltd | Chelmsford | 2007 |
| Ghost Pepper Records Limited | Margate | 1997 |
| Ghost Play Limited | Birmingham | 2024 |
| Ghost Productions Ltd | Staines-Upon-Thames | 2025 |
| Ghost River Ltd | Heathfield | 2026 |
| Ghost Sloth Limited | London | 2022 |
| Ghost Writer Limited | Ilkley | 2000 |
| Ghosted INK Ltd | London | 2026 |
| Ghostly Revelations Ltd | Saxmundham | 2024 |
| Ghosts of Atlantis Ltd | Ipswich | 2020 |
| Ghosts of Garage Ltd | Manchester | 2023 |
| Ghoul Film Limited | London | 2014 |
| GHP Coaching Ltd | Mansfield | 2017 |
| Ghsh Ltd | Uxbridge | 2026 |
| Ghstghstghst Ltd | Newtownabbey | 2023 |
| Ghyll Beck Leisure Limited | Shipley, Bradford | 2002 |
| GI Gi's Leisure Ltd | Darlington | 2021 |
| GI Influence Ltd | Hove | 2025 |
| GI Jane Bootcamp Limited | Bexleyheath | 2011 |
| GI Lavezo Tattoo Limited | London | 2025 |
| GIA Events Limited | Preston | 2025 |
| Giant & Giant Ltd | Hounslow | 2013 |
| Giant Artist Publishing Ltd | London | 2023 |
| Giant Attractions Limited | Nottinghamshire | 2006 |
| Giant Aura Ltd | London | 2024 |
| Giant Cheese Limited | Hebden Bridge | 2015 |
| Giant Entertainment Limited | London | 1999 |
| Giant Expression Management Ltd | Stoke-On-Trent | 2017 |
| Giant Films Limited | London | 1999 |
| Giant Geriatric Generators Ltd | Falkirk | 2009 |
| Giant JIU Jitsu Ltd | Leighton Buzzard | 2026 |
| Giant OAF Limited | Harrogate | 2017 |
| Giant OWL Productions Ltd | London | 2012 |
| Giant Pigeon Limited | London | 2025 |
| Giant Pigeon Productions Limited | London | 2004 |
| Giant Plums Productions Limited | London | 2025 |
| Giant Production Services Limited | London | 2025 |
| Giant Squid Inc Ltd | Walton-On-Thames | 2014 |
| Giant Stars United Ltd | Brentford | 2024 |
| Giant Steps Limited | London | 2008 |
| Giant Studio (Telford) Ltd | Telford | 2017 |
| Giant Training Ltd | Ilkeston | 2021 |
| Giant West END Limited | London | 2024 |
| Giantcentre Limited | Newport | 1992 |
| Giantland Films Ltd | Gerrards Cross | 2016 |
| Giants and Jellybeans Ltd | Diss | 2014 |
| Giants at Play Ltd | Bristol | 2022 |
| Giants Gym Ltd | London | 2013 |
| Giants Gymnastics Company Limited | Worthing | 2025 |
| Giants in the Sky Ltd | Sutton | 2026 |
| Giants in the Sky TOO Ltd | Sutton | 2026 |
| Giants Touring Limited | Holborn | 2022 |
| Gibber Theatre Limited | Gosforth Newcastle Upon Tyne | 2003 |
| Gibbs Platt and Company Ltd | Northwich | 2018 |
| Giberti Limited | London | 2019 |
| Gibfit 30 Ltd | London | 2017 |
| Gibor Group CIC | London | 2024 |
| Gibraltar Sports Trading Ltd | Cardiff | 2025 |
| Gibraltar Wordworks Limited | Leamington Spa | 2016 |
| Gibson Fitness Ltd | Edinburgh | 2021 |
| Gibson Girl (UK) Ltd | Newport | 2011 |
| Gibson Studios Limited | Wotton-Under-Edge | 2019 |
| Gibsonmade Ltd | Leicester | 2025 |
| Gica Creative Ltd | London | 2022 |