| Froud Group Holdings Limited | Financial services | 2022 |
| Froud Properties Limited | Real estate | 1956 |
| Frustumwatts Limited | Other services | 2016 |
| FRY & Co Holdings Limited | Financial services | 2019 |
| FRY Heath & Spence LLP | | 2002 |
| Full Your Cart Limited | Manufacturing | 2025 |
| Fuller & Fuller Ltd | Administrative & support | 2012 |
| Fuller Financial Services Ltd | Financial services | 2013 |
| Fullers Building Works Ltd | Construction | 2023 |
| Fullers Plastering Ltd | Construction | 2009 |
| FUN for Louis Limited | Manufacturing | 2014 |
| FUN Pots Limited | Wholesale & retail | 2003 |
| Function Facility Ltd | Arts & recreation | 2025 |
| Funding House Investments Ltd | Financial services | 2014 |
| Funky Cat Flap Covers Ltd | Wholesale & retail | 2015 |
| Funky Orange Limited | Extraterritorial | 2019 |
| Furzeholme Management (Worthing) Limited | Real estate | 1965 |
| Fuse Affiliates Ltd | Professional & scientific | 2020 |
| Fusion Capital Finance Limited | Other services | 2024 |
| FUT Trading Limited | Construction | 2023 |
| Futcrunch Holdings Ltd | Financial services | 2026 |
| Futcrunch Investments Ltd | Financial services | 2026 |
| Futcrunch Ltd | Professional & scientific | 2021 |
| Futura 7 Limited | Financial services | 2024 |
| Futura Financial Services Group Ltd | Financial services | 2021 |
| Futura Financial Solutions Ltd | Financial services | 2020 |
| Futura Solutions Holdings Limited | Professional & scientific | 2024 |
| Futura Wealth Management Ltd | Financial services | 2006 |
| Future Build Specialist Ltd | Construction | 2016 |
| Future Clean Limited | Other services | 2019 |
| Future Designer Homes - Monarchs View Limited | Financial services | 2026 |
| Future Designer Homes -Church Hill Ltd | Construction | 2022 |
| Future Designer Homes Limited | Financial services | 2016 |
| Future FMC Developments Limited | Construction | 2022 |
| Future FMC Ltd | Construction | 2019 |
| Future Management Consultancy (FMC) Limited | Real estate | 2009 |
| Future Milking Technology Limited | Manufacturing | 2021 |
| Future Planned Group Holdings Limited | Financial services | 2023 |
| Future Planned Holdings Ltd | Financial services | 2018 |
| Future Planned Investment Ltd | Real estate | 2020 |
| Future Planned Portfolios Ltd | Real estate | 2023 |
| Future Planned Relocation Services Ltd | Real estate | 2008 |
| Future Proof Impact Ltd | Professional & scientific | 2019 |
| Future Renew Ltd | Construction | 2023 |
| Future Talent Partners Ltd | Administrative & support | 2012 |
| Future Voices Ltd | Professional & scientific | 2020 |
| Futurescaping Limited | Professional & scientific | 2024 |
| FWJ Consulting Limited | Professional & scientific | 2018 |
| G & M Structures Ltd | Construction | 2020 |
| G & S Cleaning Direct Ltd | Administrative & support | 2024 |
| G & V Coffee Ltd | Hospitality | 2019 |
| G & Z Blasting Ltd | Construction | 2016 |
| G a Macdonald Master Thatcher Ltd | Construction | 2010 |
| G Andrews Limited | Other services | 2023 |
| G B Walker & SON (Gates) Limited | Construction | 1999 |
| G C Plastering (South) Ltd | Construction | 2026 |
| G Cubed Investments Ltd | Households | 2022 |
| G Davies Projects Limited | Construction | 2024 |
| G Lister Storage Ltd | Transport & logistics | 2018 |
| G T S Lelliott Limited | Financial services | 2009 |
| G. D. Plumbing, Central Heating GAS Service Engineers Limited | Construction | 2002 |
| G.D.L. Services Limited | Information & communication | 2017 |
| G.W.K. Engineering Limited | Professional & scientific | 2002 |
| G180 Ltd | Arts & recreation | 2025 |
| G3 Design Limited | Administrative & support | 2012 |
| GA Osteopaths Limited | Health & social care | 2018 |
| GA Property Investment Limited | Financial services | 2019 |
| GAA Network Services Ltd | Information & communication | 2023 |
| Gables Lettings Limited | Real estate | 2021 |
| Gadgets 4 UK Sussex Ltd | Wholesale & retail | 2019 |
| Gadgets UK Xpress Limited | Wholesale & retail | 2025 |
| Gaia Financial Limited | Financial services | 2019 |
| Gaia Luxury Ltd | Wholesale & retail | 2023 |
| Gail's of Copthorne Limited | Other services | 2022 |
| Gainmax Ltd | Wholesale & retail | 2014 |
| Gaintime Property Management Limited | Construction | 1986 |
| Galeactis Limited | Professional & scientific | 2016 |
| Galen Associates Limited | Administrative & support | 2026 |
| Gallegos Worthing Ltd | Hospitality | 2021 |
| Gallery Vela Limited | Wholesale & retail | 2010 |
| Galvanise Collective Ltd | Information & communication | 2026 |
| Gamble Holdings Limited | Construction | 2003 |
| Gameriot Limited | Information & communication | 2015 |
| Games LAB Analytics Ltd | Information & communication | 2023 |
| Games Master GEM Limited | Extraterritorial | 2021 |
| Gander Carpentry Limited | Manufacturing | 2007 |
| Gander Investments Ltd | Real estate | 2025 |
| Gandolfi Enterprise Ltd | Real estate | 2025 |
| Gandolfi Homes Ltd | Hospitality | 2024 |
| Gapa Investments Limited | Real estate | 2005 |
| Garcia Timber Products Ltd | Manufacturing | 1995 |
| Garden Clear Ltd | Professional & scientific | 2024 |
| Garden Cottage Nursery Limited | Education | 2017 |
| Garden House Design Limited | Wholesale & retail | 2007 |
| Garden Lightcraft Limited | Manufacturing | 2017 |
| Garden Pride Marketing Limited | Wholesale & retail | 2008 |
| Gardie Property Limited | Construction | 2025 |
| Garmin Management Consulting Limited | Professional & scientific | 2004 |
| Garrison Developments (Southern) Ltd | Real estate | 2024 |
| Garrison Developments Middleton Limited | Construction | 2026 |