| Finesse Flooring UK Ltd | Wholesale & retail | 2006 |
| Finesse Investments Limited | Real estate | 2000 |
| Fires and Sweeps Ltd | Administrative & support | 2025 |
| First Option Software Limited | Information & communication | 2007 |
| First William Court (Farnborough) Management Company Limited | Households | 2006 |
| Firstex IT Limited | Information & communication | 2006 |
| Fiscal House Limited | Financial services | 2002 |
| Fisp Limited | Information & communication | 2004 |
| Fitzroy Properties Limited | Real estate | 1961 |
| Fiverivers (5R) Ltd | Extraterritorial | 2023 |
| Fjordling Smokehouses Ltd | Administrative & support | 1999 |
| Fleet Accounting Limited | Professional & scientific | 2002 |
| Fleet Bargain Books Limited | Wholesale & retail | 2003 |
| Fleet Holdings Ltd | | 2023 |
| Fleurtations Ltd | Wholesale & retail | 2003 |
| Flindees Limited | Real estate | 1999 |
| Flintstone Tyre Limited | Administrative & support | 2003 |
| Florida Lifestyle Ltd | | 1992 |
| Flowtec Pumps & Controls Limited | Water & waste | 2022 |
| Fobdown Investment Company Limited | Financial services | 2017 |
| Focuslong Limited | Wholesale & retail | 1988 |
| Folada Aero and Technical Services Limited | Information & communication | 2004 |
| Food on the Move Limited | Hospitality | 1999 |
| Foodmystyle Limited | Wholesale & retail | 2023 |
| Footprint Films Limited | Information & communication | 1998 |
| Forest Aviation Services Limited | Administrative & support | 2003 |
| Foreverafter Ltd | Professional & scientific | 1995 |
| Fork Truck Rentals Limited | Extraterritorial | 1961 |
| Fork Truck Training Limited | Extraterritorial | 1970 |
| Form Engineering Limited | Manufacturing | 2003 |
| Form Property Limited | Real estate | 2004 |
| Forty Nine Corfton Road (Management) Limited | Real estate | 1999 |
| Forty-Three Essendine Limited | Households | 1993 |
| Fosters Tree Surgeons Ltd | Administrative & support | 2004 |
| Foxc Limited | Information & communication | 1997 |
| Frametees Limited | Wholesale & retail | 2025 |
| Framework Media Limited | Administrative & support | 2002 |
| Frances Neild Limited | Other services | 2003 |
| Francis Gilbert Limited | Professional & scientific | 1953 |
| Francis Sheet Sales (Southern) Limited | Other services | 1993 |
| Franklyn's Fish Farms Limited | Agriculture & fishing | 1976 |
| Freeman Accounting Services Limited | Professional & scientific | 2004 |
| Fresh Forklift Services Limited | Manufacturing | 2003 |
| Frobisher Construction and Renewables Ltd | Construction | 2003 |
| Fruppett Properties Limited | Real estate | 2017 |
| FRY & Kent Holdings Limited | Real estate | 2021 |
| FRY & Kent Limited | Real estate | 2000 |
| FRY Freemantle & Sons Limited | Construction | 2007 |
| Fs-Elliott (UK) Limited | Wholesale & retail | 2005 |
| Fulbanks Holdings Limited | Real estate | 2002 |
| Full Motion Fitness Ltd | Arts & recreation | 2021 |
| Furst Limited | Professional & scientific | 1992 |
| Furuno (UK) Limited | Manufacturing | 1978 |
| Furuno Leasing Limited | Manufacturing | 1983 |
| Futhamukka Limited | Extraterritorial | 2003 |
| G & N Building Services Limited | Construction | 1997 |
| G a Robertson Building Services Ltd | Construction | 2004 |
| G French Doors & Windows Limited | Construction | 2004 |
| G J Sutherland Limited | Construction | 2003 |
| G M Whittingham Limited | Health & social care | 2007 |
| G P Mold Heating and Plumbing Engineering Limited | | 1988 |
| G&I Parsons Limited | Construction | 2005 |
| G. & B. Electronic Designs Limited | Manufacturing | 1981 |
| G. T. Hewett & SON Limited, | Wholesale & retail | 1963 |
| G.A.P. Mortgage Services Limited | Financial services | 2003 |
| G.H. (Whitsbury) Limited | Agriculture & fishing | 1950 |
| G.J. Bone Ltd | Construction | 2003 |
| Gabbatt Residents Limited | Professional & scientific | 1980 |
| Gable (U.K.) Holdings Limited | Financial services | 1986 |
| Gable Fall Safe Limited | Construction | 2000 |
| Gable Projects Limited | Construction | 2006 |
| Galvestones Limited | Construction | 1987 |
| Gamacons Limited | Information & communication | 2005 |
| Game and Wildlife Conservation Trading Limited | Agriculture & fishing | 1980 |
| Game and Wildlife Conservation Trust | Professional & scientific | 2005 |
| Gandy Belting Limited | Professional & scientific | 1901 |
| Garland Motors Limited | Wholesale & retail | 2004 |
| Garrett & Sons Limited | Construction | 2007 |
| Gary Champion Limited | Construction | 2007 |
| GAS Dynamics Ltd. | Professional & scientific | 2003 |
| Gasnier Plumbing & Heating Limited | Construction | 2006 |
| Gasworks Limited | Administrative & support | 2003 |
| Gawthorpe Estates Limited | Agriculture & fishing | 1958 |
| GDM (Surfacing Contractors) Limited | Construction | 1997 |
| Geco Lift Trucks Limited | Administrative & support | 1965 |
| Gemini Distribution (U.K.) Limited | Wholesale & retail | 1991 |
| Gemstar Limited | Wholesale & retail | 2002 |
| GEN3 Limited | Professional & scientific | 2005 |
| GEO.& R. Carrell Limited | Construction | 1982 |
| Geoff Waddington Marine Limited | Professional & scientific | 2004 |
| Georecord Limited | Information & communication | 2000 |
| GFM Accounting Limited | Professional & scientific | 2005 |
| GHA Tetsworth Limited | Real estate | 2010 |
| Gifted Fingers Limited | Other services | 2024 |
| Ginelle Limited | Information & communication | 1998 |
| Glamox Limited | Manufacturing | 1986 |
| Glass Computers Limited | Information & communication | 1994 |
| Glassworks (Southampton) Limited | Construction | 1999 |
| Global Event Management Limited | Extraterritorial | 2003 |
| Global Matrix Limited | Administrative & support | 2019 |