| GH Grain (NO.2) Limited | London | 2009 |
| GH Grain Limited | London | 2000 |
| Ghada Suliman Ltd | London | 2022 |
| GHC (Financial Services) Holdings Limited | Leicester | 2014 |
| GHC Clarity Limited | Leicester | 2006 |
| GHC Edge Limited | Leicester | 2014 |
| GHC Fund Management Ltd | Leicester | 2013 |
| GHC Nominees Limited | Leicester | 1995 |
| GHD Property Ltd | Caerphilly | 2025 |
| GHD Trust | Milton Keynes | 2015 |
| Gheartshop Co., Ltd | Milton Keynes | 2019 |
| Gheddie Limited | Southampton | 2016 |
| Ghekko Networks Limited | Macclesfield | 2007 |
| Gheng Enterprises Ltd | Belfast | 2026 |
| Ghent Developments Limited | Redditch | 2018 |
| Gheorghe Serban Ltd | Edgware | 2012 |
| Gherkin Limited | London | 2023 |
| Gherzum Trans Ltd | Leicester | 2015 |
| GHG Mount Alvernia Hospital Limited | London | 2004 |
| GHH Highover Ltd | Bedford | 2023 |
| Ghiffties Limited | London | 2011 |
| Ghis Entreprise Ltd | London | 2025 |
| GHK Management Limited | Nottingham | 2009 |
| GHM Consultancy Ltd | Doncaster | 2023 |
| GHM Logistics Limited | Stone | 2015 |
| Ghnjh Limited | Kilmarnock | 2025 |
| GHO Products Limited | Birmingham | 2024 |
| Ghost Cat Records Ltd | Hereford | 2023 |
| Ghost Consultants Limited | Stonehouse | 1999 |
| Ghost Fishing Limited | Castle Cary | 2020 |
| Ghost Force Ltd | Enfield | 2019 |
| Ghost II Limited | London | 2020 |
| Ghost Protocol Limited | London | 2015 |
| Ghost Troop Ltd | Mildenhall | 2025 |
| Ghostrider Limited | Stanmore | 2004 |
| Ghostsinthemachine Ltd | Cheltenham | 2022 |
| GHP Forensics Ltd | Bath | 2004 |
| GHR Consulting Ltd | Boston | 2012 |
| GHS Cleaning Limited | Bournemouth | 2019 |
| GHS Renewables Ltd | Kingswinford | 2024 |
| Ghum (2021) Ltd | Holborn | 2021 |
| GHW Partnership Ltd | Middx | 2005 |
| Ghyll Royd (Holdings) Limited | Ilkley | 1969 |
| Ghyllmount Dental Practice Limited | Penrith | 2007 |
| Ghynvest Ltd | Dover | 2006 |
| GI Hadfield Propco Holdings Limited | Cheadle | 2017 |
| GI Red Limited | Leicester | 2016 |
| Gi-Ta Resourcing Limited | Harrow | 2024 |
| Giamatti Limited | Harrogate | 2026 |
| Giana Property Limited | Little Shelford | 2014 |
| Gianni Federico Hardwick Ltd | London | 2023 |
| Giannina Filomena Carlino Limited | Potters Bar | 2025 |
| Giant Bidco Limited | Northamptonshire | 2004 |
| Giant Booker Limited | Wellingborough | 1900 |
| Giant Fish Limited | York | 2015 |
| Giant Global Limited | Harrogate | 2026 |
| Giant Ltd | Benfleet | 2003 |
| Giant Media Limited | Nottingham | 2026 |
| Giant Mermaid Ltd | London | 2020 |
| Giant Midco Limited | Wellingborough | 2004 |
| Giant Murphy Distilleries Ltd | Newry | 2011 |
| Giant Possibilities Ltd | London | 2021 |
| Giant's Causeway World Heritage Trust-The | Portballintrae | 2000 |
| Giantflow Limited | Chipping Norton | 2000 |
| GIB Properties (North West) Limited | Lytham | 2015 |
| Gibbings Harrison & Co Limited | Chichester | 1890 |
| Gibbon and Barton International Travel Ltd | Tyne & Wear | 1999 |
| Gibbons & Gibbons Ltd | Tetbury | 2026 |
| Gibbons Nominee Limited | Peterborough | 2015 |
| Gibbs and Dandy Limited | Leicestershire | 1920 |
| Gibbs Automotive Ltd | Hemel Hempstead | 2024 |
| Gibbs Gillespie Lettings Limited | Camberley | 1996 |
| Gibbs MEW Limited | West Midlands | 1898 |
| Gibbs Tenopt Ltd | High Wycombe | 2018 |
| Gibfield Limited | Salford | 2002 |
| Gibia Consulting Limited | | 2006 |
| Giblin Bros. (Wholesale Pharmaceuticals) Limited | Maghull | 1951 |
| Gibrock Limited | Salford | 2003 |
| Gibs Construction Limited | Southampton | 2023 |
| Gibson & Lumgair (Scotland) Limited | Langholm | 1952 |
| Gibson Hanson Graphics Limited | Dewsbury | 1996 |
| Gibson Investment Group Limited | Newton Abbot | 2015 |
| Gibsons Court Management Company Limited | Scarborough | 2002 |
| Gibsons Funeral Services Limited | Nottingham | 1991 |
| Gibwas Management Limited | Upper Basildon, Nr Reading | 2010 |
| GID Group Ltd | London | 2024 |
| Giddins Ltd | Brigg | 2024 |
| Giddy Kipper Arts Limited | Todmorden | 2021 |
| Gidewon Danja Limited | London | 2020 |
| Giface Ltd | London | 2025 |
| Giffen Holdings Limited | Leeds | 2009 |
| Giffen Investments Limited | Southend-On-Sea | 2019 |
| Gifford and Partners Ltd | London | 2005 |
| Giffords Circus Limited | Stroud | 2022 |
| Giffords Hall Farms Ltd | Colchester | 2012 |
| Giffords Property Holdings Limited | Walsall | 2016 |
| Gift Club Limited | Southampton | 2011 |
| Gift Creation & Design (Holdings) Limited | Park Royal | 2014 |
| Gift of KIT Limited | Cirencester | 2025 |
| Gift of Learning Ltd | Milton Keynes | 2021 |