| Fuzify Ltd | Wholesale & retail | 2024 |
| FW Consultation Limited | Information & communication | 2023 |
| Fylde Coast Estates Ltd | Real estate | 2020 |
| Fyntyme Limited | Professional & scientific | 2014 |
| Fyoozed Ltd | Information & communication | 2023 |
| FZB Ltd | Real estate | 2023 |
| G & E Structures Limited | Construction | 2011 |
| G & J Bonnick Coffee Ltd | Hospitality | 2019 |
| G & L Electrical Solutions Ltd | Construction | 2017 |
| G & W Auto Recovery Service Ltd | Wholesale & retail | 2007 |
| G a Dillon Services Limited | Construction | 2014 |
| G Austen Excavations Ltd | Construction | 2025 |
| G B Metalwork Ltd. | Manufacturing | 1997 |
| G Design Ltd | Professional & scientific | 2024 |
| G Forge Limited | Hospitality | 1984 |
| G Gill Transport Limited | Transport & logistics | 2019 |
| G J Abbott Construction Ltd | Construction | 2026 |
| G J Electronics Limited | Professional & scientific | 1998 |
| G K GAS and Building Ltd | Construction | 2024 |
| G L Consultancy Ltd | Professional & scientific | 2025 |
| G M Donovan Contractors Limited | Construction | 2005 |
| G Mackett Construction & Groundwork Limited | Construction | 2016 |
| G Singh Courier Services Ltd | Transport & logistics | 2015 |
| G W Construction (S.E) Ltd | Construction | 2023 |
| G W Services (Ashford) Ltd | Wholesale & retail | 2021 |
| G&A Property Letting Ltd | Real estate | 2023 |
| G&E Homeshaw Ltd | Agriculture & fishing | 2023 |
| G&R Films Ltd | Information & communication | 2021 |
| G&T Alfred Arms Limited Liability Partnership | | 2024 |
| G. S. Hotel Limited | Financial services | 2003 |
| G.A.S.E. Marine Ltd | Manufacturing | 2000 |
| G.B. Generics Ltd | Wholesale & retail | 2025 |
| G.H. Bromley Haulage Limited | Administrative & support | 1992 |
| G.Herbert & Company Limited | Construction | 1912 |
| G.Kay Services Limited | Other services | 2023 |
| G.M.A. Construction Limited | Construction | 2002 |
| G.M.C Berkshire Ltd | Wholesale & retail | 2015 |
| G.R. Tanner Co. | Extraterritorial | 1958 |
| G.W. & E. Wright Group Limited | Financial services | 2024 |
| G.W. & E. Wright Holdings Limited | Construction | 2017 |
| G.W. & E. Wright Limited | Construction | 2000 |
| G.W. Lucas & Sons Limited | Real estate | 1944 |
| G2 Lofts & Extensions Ltd | Construction | 2023 |
| G3M Performance Limited | Wholesale & retail | 2019 |
| G9 Chemicals Ltd | Administrative & support | 2009 |
| GA WAH Catering Limited | Hospitality | 2019 |
| GAA Transport Ltd | Transport & logistics | 2022 |
| Gabam Limited | Real estate | 2018 |
| Gabrasco Services Ltd | Real estate | 2023 |
| GAD Group Limited | Financial services | 2018 |
| Gadget Repairs (UK) Limited | Other services | 2014 |
| Gadgets Factory Limited | Wholesale & retail | 2026 |
| Gaia Independence Limited | Extraterritorial | 2018 |
| GALA71 Ltd | Health & social care | 2026 |
| Galaxy Dance & Gymnastics Ltd | Education | 2024 |
| Galaxy PAY Ltd | Administrative & support | 2016 |
| Galenite Limited | Construction | 2000 |
| Gallane Limited | Professional & scientific | 2005 |
| Galliford Design & Build Ltd | Construction | 2026 |
| Gallions Reach II Management Company Limited | Households | 2001 |
| Gama Fitness Limited | Administrative & support | 2017 |
| Game Pilot Ltd | Information & communication | 2018 |
| Gamertag VR Limited | Information & communication | 2022 |
| Gametime Talent Limited | Professional & scientific | 2025 |
| Gamtho Limited | Professional & scientific | 2018 |
| Ganesh and Ritu Ltd | Hospitality | 2024 |
| Ganp Management Services Ltd | Construction | 2025 |
| Garden Gems Limited | Wholesale & retail | 2019 |
| Garden of England Classics Ltd | Transport & logistics | 2018 |
| Gardencourt Company Limited | Professional & scientific | 2014 |
| Gardening for YOU Limited | Administrative & support | 2019 |
| Gardenset Associates Limited | Administrative & support | 2003 |
| Gardenset Property Management Ltd | Households | 2025 |
| Gardiner Bespoke Kitchens Ltd | Manufacturing | 2021 |
| Gardiner Distribution (Group) Ltd | Financial services | 2021 |
| Gardiner Distribution Limited | Administrative & support | 2010 |
| Gareth Harmsworth Flooring Ltd | Construction | 2018 |
| Garment Holdings Limited | Wholesale & retail | 2021 |
| Garrad Ltd | Professional & scientific | 2020 |
| Gary Adams Consultancy Limited | Professional & scientific | 2019 |
| Gary Connors Consulting Ltd. | Professional & scientific | 2014 |
| Gary Tidwell Associates Limited | Professional & scientific | 2013 |
| GAS and OIL Services Ltd | Manufacturing | 2009 |
| Gate Gourmet Heathrow Limited | Hospitality | 1961 |
| Gate Gourmet Holdings U.K. Limited | Financial services | 1986 |
| Gate Gourmet London Limited | Hospitality | 1997 |
| Gate Gourmet Support Services UK Limited | Hospitality | 2004 |
| Gate Gourmet UK Purchase Company Limited | Financial services | 2005 |
| Gates Logic Technologies Ltd | Information & communication | 2013 |
| Gateslade Ltd | Financial services | 2012 |
| Gateway Church Ashford | Other services | 2003 |
| Gather Projects CIC | Administrative & support | 2026 |
| GAV Sanchania Ltd | Information & communication | 2014 |
| Gavandol Limited | Administrative & support | 2000 |
| Gavin Seymour Car Sales Limited | Wholesale & retail | 2013 |
| Gayathri Properties Ltd | Real estate | 2024 |
| GB Life Care Ltd | Other services | 2017 |
| GB Scaffold & Plant Hire Ltd | Construction | 2024 |
| GB Smartbuy Ltd | Wholesale & retail | 2025 |
| GB Transfers PVT Ltd | Transport & logistics | 2024 |