| FOG UK Holdco Ltd | Financial services | 2023 |
| Food Nelly Limited | Hospitality | 2025 |
| Footfall Medical Limited | Wholesale & retail | 2017 |
| Forensiclean Limited | Professional & scientific | 2014 |
| Forest Fuels Limited | Agriculture & fishing | 2019 |
| Forest Nursery Limited | Education | 2003 |
| Forest Promotions Limited | Administrative & support | 2009 |
| Forest to Home Ltd | Manufacturing | 2016 |
| Forest Wild Trees Ltd | Agriculture & fishing | 2023 |
| Forlet Ltd | Real estate | 2020 |
| Formative Consultancy & Training Services Limited | Education | 2009 |
| Forrester & Forrester Limited | Professional & scientific | 1989 |
| Forrester Sylvester Mackett LLP | | 2015 |
| Fortex Asset Protection Limited | Administrative & support | 2025 |
| Fortis (2010) Limited | Professional & scientific | 2010 |
| Fortuity Property Limited | Real estate | 2024 |
| Fortuna Homes (South West) Ltd | Construction | 2021 |
| Fortuna Homes (Wanborough) Ltd | Construction | 2023 |
| Fortuna Homes Group Ltd | Financial services | 2023 |
| Fortuna UN Ltd | Wholesale & retail | 2025 |
| Forward Learning Ltd | Professional & scientific | 2022 |
| Forward Rooms Ltd | Households | 2020 |
| Foscote Rural Consultancy Ltd | Professional & scientific | 2025 |
| Fosseberry Specialist Cars Ltd | Wholesale & retail | 2021 |
| Four Legs ARE Better Than Two Ltd | Manufacturing | 2015 |
| Four Seven Investments Limited | Real estate | 2022 |
| Fouracres (Lacock) Limited | Professional & scientific | 2023 |
| FOX Aerospace Limited | Professional & scientific | 2022 |
| FOX Fields (Wells Road) Management Company Limited | Households | 2022 |
| FPC Accounting Limited | Professional & scientific | 2025 |
| Fpcb Limited | Real estate | 2013 |
| Fragile Earth Limited | Extraterritorial | 2017 |
| Francis House Holdings Ltd | Real estate | 2025 |
| Franco’S Deli & Catering Limited | Hospitality | 2023 |
| Frank Contracts Limited | Construction | 2019 |
| Frank Publishing Ltd | Information & communication | 2002 |
| Franklin Rose Ltd | Financial services | 2025 |
| Fraser Healthcare Consulting Ltd | Information & communication | 2026 |
| Fraser Johns Advisory Limited | Professional & scientific | 2026 |
| Fraser Latimer Ltd | Information & communication | 2025 |
| Fraser Potts Properties Limited | Hospitality | 1959 |
| Frayne Holdings Ltd | Wholesale & retail | 2021 |
| Frayne Lofts Limited | Other services | 2019 |
| Freelance Aircrew Ltd | Information & communication | 2017 |
| Freepaper Ltd | Administrative & support | 2022 |
| Frequency Ltd | Hospitality | 2015 |
| Frobisher Innovation Consultants Limited | Professional & scientific | 2007 |
| Frogmarsh Associates Limited | Professional & scientific | 2009 |
| Frogmarsh Management Services Limited | Professional & scientific | 2021 |
| Frome Printworks Limited | Manufacturing | 2018 |
| Frost Marlborough Ltd | Extraterritorial | 2012 |
| Fuchka Ltd | Hospitality | 2025 |
| Fully Loaded Television Limited | Information & communication | 2008 |
| Fundraising Expertise Ltd | Professional & scientific | 2022 |
| Fursdon Meridian Limited | Real estate | 2025 |
| Fuseworks UK Ltd | Administrative & support | 2023 |
| Future Holdings South West Ltd | Financial services | 2017 |
| Future Honey Ltd | Manufacturing | 2024 |
| Future Integration Ltd | Construction | 2021 |
| Future Land South West Ltd | Real estate | 2006 |
| Future Property South West Ltd | Real estate | 2017 |
| FX Property Investments - Walcot Buildings Limited | Real estate | 2022 |
| FX Property UK Ltd | Real estate | 2015 |
| FX Technologies (Wessex) Limited | Information & communication | 2004 |
| Fynamore Asset Management Limited | Real estate | 1996 |
| G & a Webb Carpentry Ltd | Manufacturing | 2010 |
| G & G Property Investment Ltd | Real estate | 2012 |
| G & R Project Developments Ltd | Construction | 2016 |
| G a Potter & SON Ltd | Construction | 2019 |
| G E Hiscock Ltd | Professional & scientific | 2015 |
| G L Multi Trade Solutions Ltd | Construction | 2024 |
| G Warren & Sons Ltd | Agriculture & fishing | 2019 |
| G&C Group Ltd | Real estate | 2024 |
| G&R Holiday Lets Limited | Real estate | 2019 |
| G&R Project Developments Holdings Ltd | Financial services | 2022 |
| G.F. Bodyworks Ltd | Wholesale & retail | 2021 |
| G.P. Sales Consultants Limited | Financial services | 2002 |
| G.R. Flanagan Plumbing & Heating Limited | Construction | 1999 |
| G.S.S.W.( Glasspace Special Works ) Limited | Wholesale & retail | 2014 |
| Gable Property Management Ltd | Real estate | 2026 |
| Gaisford Woodhead Limited | Hospitality | 2003 |
| Galena Leadwork Limited | Administrative & support | 2006 |
| Galileo Clothing Limited | Wholesale & retail | 1999 |
| Gambling Integrity Ltd | Professional & scientific | 2012 |
| Gambr Ltd | Financial services | 2025 |
| Gamma Projects Ltd | Information & communication | 2021 |
| Garden and Wood Limited | Wholesale & retail | 2017 |
| Gardenscape Wiltshire Ltd | Administrative & support | 2026 |
| Garry PYM Plumbing Limited | Construction | 2008 |
| Garry's Home & Gardens Limited | Administrative & support | 2002 |
| Garston Farm Limited | Transport & logistics | 2016 |
| Gary Hatto Limited | Other services | 2000 |
| GAS Worx (Southampton) Ltd | Administrative & support | 2017 |
| Gatcombe Farm Limited | Agriculture & fishing | 2024 |
| Gavin Bassett Limited | Administrative & support | 2018 |
| Gavin Culverhouse Financial Services Limited | Financial services | 2021 |
| GB & Co (Wiltshire) Ltd | Professional & scientific | 2023 |
| GB Hipotecas Limited | Financial services | 2025 |
| Gbit Limited | Information & communication | 2026 |
| Gdcm Ltd | Financial services | 2024 |