| F&T Roofing Ltd. | Construction | 2016 |
| F&W Investments Ltd | Real estate | 2024 |
| F.Bonett Contracting Ltd | Construction | 2025 |
| F.G.Currey Limited | Real estate | 1930 |
| F.M Groundworks Southern Limited | Construction | 2023 |
| F.P.T. Industries Limited | Manufacturing | 2023 |
| FAB Accountants 2020 Limited | Professional & scientific | 2020 |
| Fabson Engineering & Services Ltd | Professional & scientific | 2020 |
| Facade Consultancy Services Ltd | Professional & scientific | 2022 |
| Facilities and Cleaning Ltd | Administrative & support | 2024 |
| Factor - O Limited | Wholesale & retail | 2003 |
| Fair Ways Foundation | Health & social care | 2014 |
| Faircart Ltd | Wholesale & retail | 2025 |
| Fairglow Limited | Real estate | 1994 |
| Fairgroves Finance Ltd | Financial services | 2026 |
| Fairmile Lettings Limited | Real estate | 2016 |
| Fairways (Farlington) Management Company Limited | Hospitality | 2006 |
| Fairwinds Residents Management Company Limited | Real estate | 2018 |
| Faith & Sitty Limited | Health & social care | 2012 |
| Faith Design & Print Ltd | Manufacturing | 2024 |
| Faith Holdings Ltd | Real estate | 2022 |
| Fajarrao Ltd | Wholesale & retail | 2025 |
| Familiar Stranger Films Ltd | Information & communication | 2018 |
| Family Asset Management Ltd | Professional & scientific | 2019 |
| Family Inns (IOW) Ltd | Hospitality | 2019 |
| Fancy Jewely Ltd | Wholesale & retail | 2025 |
| FAR Ahead TOO Ltd | Real estate | 2017 |
| Farhanabaks Limited | Administrative & support | 2025 |
| Farlington Dental Practice Ltd | Health & social care | 2023 |
| Farlington Hand Car Wash Ltd | Administrative & support | 2022 |
| Farlington Property Holdings Limited | Financial services | 2020 |
| Farmer Electrical Ltd | Construction | 2019 |
| Farnborough PCN Limited | Health & social care | 2025 |
| Farr Detailing Ltd | Administrative & support | 2026 |
| Farrago Stores Limited | Real estate | 1963 |
| Farrow & Lynas Ltd | Real estate | 2018 |
| Farrow's CUE Sports Ltd | Arts & recreation | 2023 |
| Farrows Property Group Ltd | Construction | 2022 |
| Fascimile Ltd | Health & social care | 2025 |
| Fashion House Trading Limited | Wholesale & retail | 2025 |
| Fashionprotocols Ltd | Wholesale & retail | 2024 |
| Fast Calc Limited | Professional & scientific | 1996 |
| Fast Cars Hire Limited | Administrative & support | 2026 |
| Fast Fit Commercial Tyres Limited | Wholesale & retail | 2024 |
| Fast Flow GAS Services Limited | Construction | 2013 |
| Fast Track Holdings Ltd | Administrative & support | 2016 |
| Fasteon Ltd | Information & communication | 2017 |
| Fastitfix Ltd | Other services | 2022 |
| Fastlink Global Services Ltd | Transport & logistics | 2013 |
| Fastlink Logistics Ltd | Transport & logistics | 2015 |
| Fastnet House Limited | Real estate | 2002 |
| FAT HOG & Big PAN Corporate Limited | Hospitality | 2014 |
| FAT Recruitment Ltd | Administrative & support | 2019 |
| Fatbebe Chicken Ltd | Hospitality | 2025 |
| Fatclay Pottery Ltd | Manufacturing | 2024 |
| Faulkner RF & Microwave Limited | Professional & scientific | 2002 |
| Favourite Flavour Music Ltd | Information & communication | 2023 |
| Fazackerley Art Interiors Limited | Arts & recreation | 2016 |
| Fazackerley Limited | Professional & scientific | 2004 |
| Fazandco Limited | Wholesale & retail | 2022 |
| FBA Elite Circle Ltd | Wholesale & retail | 2025 |
| FBA South Ltd | Wholesale & retail | 2020 |
| FC Events UK Limited | Professional & scientific | 2025 |
| FC Plumbing Limited | Construction | 2025 |
| FCC Warranty Ltd | Real estate | 2025 |
| FDA UK Ltd | Other services | 2003 |
| FDC Roofing Ltd | Construction | 2024 |
| Featherlings Limited | Manufacturing | 2014 |
| Featherstone & Teasdale Ltd | Manufacturing | 2026 |
| Featherstone (UK) Limited | Construction | 2010 |
| Febo Limited | Arts & recreation | 1991 |
| Fecund Circle Ltd | Other services | 2024 |
| Feed Limited | Hospitality | 2014 |
| FEED4WARD Control Limited | Information & communication | 2002 |
| Feel-Good Hairdressing Ltd | Administrative & support | 2021 |
| Feelgood Sharing Limited | Real estate | 2022 |
| Feima Future Company Limited | Real estate | 2019 |
| Fell Water Ltd | Professional & scientific | 2023 |
| Fellows Planning Limited | Professional & scientific | 2020 |
| Feminine TOUCH1 Ltd | Construction | 2025 |
| Femosofia Ltd | Information & communication | 2020 |
| Fenster Glass & Glazing Ltd | Construction | 2025 |
| Fenton Property Holdings Limited | Hospitality | 2017 |
| Fenton Property Limited | Hospitality | 2013 |
| Fentuks Limited | Professional & scientific | 2020 |
| Ferguson Homes Limited | Real estate | 2018 |
| Ferox Partners Ltd | Administrative & support | 2024 |
| Festival Music Ltd | Administrative & support | 2011 |
| Festival North Ltd | Wholesale & retail | 2021 |
| Fevis Ltd | Administrative & support | 2025 |
| FFP Car Sales Limited | Wholesale & retail | 2026 |
| FG Courier Ltd | Transport & logistics | 2016 |
| FH FM Ltd | Construction | 2025 |
| FH Group (South) Ltd | Construction | 2019 |
| FH Group Holdings Ltd | Professional & scientific | 2024 |
| FH Renewables Ltd | Construction | 2023 |
| FH Technology Limited | Information & communication | 2014 |
| FI Operation Management Ltd | Administrative & support | 2024 |
| Fi-Nix Group Ltd | Professional & scientific | 2022 |
| Fibresoft Ltd | Information & communication | 2022 |