| Gaming Changers Ltd | Canterbury | 2013 |
| Gaming Delivery Ltd | London | 2025 |
| Gaming Events 2 U Ltd | Lowestoft | 2024 |
| Gaming Invest UK Ltd | Great Yarmouth | 2011 |
| Gaming Media Limited | London | 2025 |
| Gaming Parties 2 U Ltd | Attleborough | 2017 |
| Gaming Party Van Limited | Cardiff | 2020 |
| Gaming Space Ltd | Walthamcross | 2025 |
| Gaming Time Ltd | Staplefield | 2011 |
| Gaming UK Limited | Market Harborough | 2008 |
| Gaming Van UK Limited | Stockton On Tees | 2019 |
| Gaming Venues Ltd | Newcastle Upon Tyne | 2021 |
| Gaming Vision Ltd. | Motherwell | 2023 |
| Gaming Warriors Ltd | London | 2021 |
| Gaming Warriors Party BUS Ltd | London | 2026 |
| GAMING4EVENTS Limited | Birmingham | 2018 |
| Gamlingay Community Centre | Sandy | 2010 |
| Gamma (London) Ltd | London | 2017 |
| Gammer Worldwide Limited | Northampton | 2023 |
| Gamrie Gardens CIC | Banff | 2026 |
| Gamston Flying School Limited | Retford | 2010 |
| GAN (UK) Limited | Salford | 1999 |
| Gana Latino Competitions Ltd | London | 2025 |
| Ganador Sports Ltd | East Tilbury | 2020 |
| Ganatra Productions Limited | London | 2013 |
| Ganavan Productions Ltd | Airdrie | 2024 |
| Gancho Padel Holdings Ltd | Glasgow | 2025 |
| Gancho Padel Limited | Glasgow | 2024 |
| Gancho Padel Riverside Ltd | Glasgow | 2025 |
| Gancia Limited | Belfast | 2023 |
| Gandara Limited | London | 2009 |
| Gande Bellezza Music Group Ltd | London | 2025 |
| Gander Productions Ltd | Edinburgh | 2025 |
| Gandey Organisation Limited(The) | Congleton | 1984 |
| Gandini Juggling Limited | London | 2008 |
| Gang of Four Limited | Doncaster | 2010 |
| Gang of Three Productions Ltd | London | 2025 |
| Gangly Ninja Ltd | Kendal | 2024 |
| Gangsta Granny Stage Rights Limited | London | 2021 |
| Gannet Films Limited | Midhurst | 1963 |
| Gannochy Sports Pavilion (Perth) Limited | Perth | 1972 |
| Gannon Sports Therapy Ltd | Didcot | 2023 |
| Gannyland Limited | London | 2019 |
| Gansera-Leveque Limited | Newmarket | 2017 |
| Ganstead Park Golf Club Limited | Hull | 2017 |
| Ganton Golf Club,Limited(The) | North Yorkshire | 1907 |
| Ganymede Productions Limited | Bristol | 2006 |
| GAP Comedy Limited | London | 2017 |
| GAP Interior Images Ltd | Colchester | 2008 |
| GAP Photos Ltd | Colchester | 2005 |
| Gapardo Ltd | Northampton | 2026 |
| Gaptooth Collective Ltd | London | 2026 |
| Garage 38 Limited | Bristol | 2024 |
| Garage 59 Group Ltd | Brackley | 2015 |
| Garage Fever Limited | London | 2024 |
| Garage Gecko Limited | | 2003 |
| Garage Inc. (IOW) Limited | Cowes | 2012 |
| Garage Music Ltd | London | 2023 |
| Garage Nation Ltd | Milton Keynes | 2014 |
| Garage VIP UK Racing Team Ltd | Epsom | 2020 |
| Garbh Ltd | London | 2026 |
| Garburn Limited | Kendal | 2005 |
| Garbutt Farm Stables Limited | Thirsk | 2019 |
| Garc Reading Limited | Marlow | 2010 |
| Garden Angels London Ltd | Barnet | 2018 |
| Garden Control Services London Limited | London | 2024 |
| Garden Cottage Arts and Crafts Limited | Sunbury-On-Thames | 2025 |
| Garden Folk CIC | Truro | 2024 |
| Garden GAL Limited | Glasgow | 2021 |
| Garden Genius Ltd | Edgware | 2024 |
| Garden of Arts CIC | Shrewsbury | 2025 |
| Garden of E Limited | London | 2023 |
| Garden Party Events NW Ltd | Liverpool | 2024 |
| Garden Suburb Community Library Ltd | London | 2012 |
| Garden Transformations Limited | London | 1996 |
| Garden Village AFC Limited | Swansea | 2026 |
| Garden Wild Plants CIC | Cilgerran | 2021 |
| Gardener Leisure Limited | Newcastle Upon Tyne | 2015 |
| Gardenfestuk Ltd | London | 2026 |
| Gardening Kings Ltd | West Drayton | 2023 |
| Gardeninguk Limited | London | 2022 |
| Gardyne Theatre Limited | Dundee | 2011 |
| Gareth ABS Limited | Runcorn | 2023 |
| Gareth Andrew Davies Ltd | Swindon | 2021 |
| Gareth Beddow Fitness Ltd | Blyth | 2025 |
| Gareth Betts Strength & Performance Ltd | Pontypool | 2026 |
| Gareth Davies Fitness Ltd | Swansea | 2023 |
| Gareth FRY Ltd | Woking | 2015 |
| Gareth James Golf Limited | Wrexham | 2015 |
| Gareth Johnson Limited | London | 2000 |
| Gareth Johnston Golf Academy Ltd | Reading | 2021 |
| Gareth Mason Limited | Bristol | 2021 |
| Gareth Smith Ltd | Manchester | 2024 |
| Gareth Tormey Personal Training Ltd | Dundee | 2024 |
| Garfield Mill Arts Community CIC | Hawick | 2025 |
| Garforth Golf Club,Limited(The) | Leeds | 1912 |
| Garforth Rangers Association Football Club Limited | Leeds | 2013 |
| Garforth Tigers Arlfc Ltd | Castleford | 2019 |
| Garforth Town AFC Limited | Leeds | 2014 |
| Gargantua Productions Limited | Abingdon | 2018 |