| F. M.D. Property Ltd | Real estate | 2026 |
| Fade OUT Limited | Wholesale & retail | 2011 |
| Fairfax Asset Management Ltd | Real estate | 2017 |
| Fairlight Installations Ltd | Construction | 2014 |
| Fairmeads Farm LLP | | 2025 |
| Fallsafe Limited | Professional & scientific | 1995 |
| Family Office Limited | Information & communication | 2024 |
| Fancourt Management Ltd | Real estate | 2025 |
| Farm Court Management Company Limited | Households | 1996 |
| Farm Shack Co Ltd | Hospitality | 2024 |
| Farmhouse Care Agency Ltd | Health & social care | 2021 |
| Farmhouse Care Home Ltd | Health & social care | 2019 |
| Farringdon House Limited | Real estate | 2008 |
| Fast Forward Coaching Limited | Professional & scientific | 2024 |
| FAT Cigar Productions Ltd | Information & communication | 2009 |
| FDL New Forest Ltd | Hospitality | 2023 |
| Feel Hear Ltd | Professional & scientific | 2018 |
| Fells Gulliver Ltd | Real estate | 2010 |
| Fern House Residents Management Company Limited | Households | 2023 |
| Ferrypoint Management Company Limited | Real estate | 2001 |
| Fexey Ltd | Real estate | 2016 |
| Fi-Nest Ltd | Financial services | 2009 |
| Fibre Mechanics Employee Trust Limited | Professional & scientific | 2022 |
| Fibre Mechanics Limited | Manufacturing | 2010 |
| Fibre Mechanics Partnership Limited | Professional & scientific | 2018 |
| Fibredyne Limited | Information & communication | 2024 |
| Fidelity Research Ltd | Professional & scientific | 2024 |
| Field Yachting Ltd | Wholesale & retail | 2004 |
| Financial Lifestyle Planning Limited | Professional & scientific | 2010 |
| Fine Jewellers Ltd | Wholesale & retail | 2017 |
| Finest Fizz Limited | Administrative & support | 2012 |
| Finn Films Limited | Information & communication | 2007 |
| Fiona Ropson Limited | Wholesale & retail | 2014 |
| Fire Seen Ltd | Other services | 2022 |
| First Phoenix Accountants Limited | Professional & scientific | 2005 |
| FIRST2 Ltd | Information & communication | 2020 |
| Firtree, Fencing and Landscaping Limited | Administrative & support | 2022 |
| Fisher Assoc. Ltd | Professional & scientific | 2010 |
| Fisher Homes Ltd | Real estate | 2026 |
| Fitreel Limited | Administrative & support | 2005 |
| Fitzgerald Architecture Limited | Professional & scientific | 2012 |
| Fivem Developments Limited | Construction | 2019 |
| Fivem Investments Limited | Real estate | 2019 |
| Fixterior Ltd | Manufacturing | 2023 |
| Flawless Yachting Limited | Manufacturing | 2002 |
| Fleming House Management Company Limited | Households | 1990 |
| Flexible CFO Limited | Professional & scientific | 2002 |
| Flexxelf Ltd | Construction | 2017 |
| Flow With Leon Ltd | Health & social care | 2024 |
| Flux Fabrications Limited | Manufacturing | 2025 |
| Flying MAN Productions Ltd | Information & communication | 2020 |
| FO Events Ltd | Arts & recreation | 2019 |
| Fogel Limited | Other services | 2023 |
| Force 8 Systems Ltd | Information & communication | 2024 |
| Forecast Financial Planning Limited | Financial services | 2019 |
| Forest Architecture Limited | Professional & scientific | 2018 |
| Forest Fast Food Ltd | Hospitality | 2025 |
| Forest Heath House Management Limited | Households | 2013 |
| Forest Park Developments Ltd | Construction | 2013 |
| Forest Pest Control Ltd | Agriculture & fishing | 2026 |
| Forest Pets Limited | Wholesale & retail | 2009 |
| Forest Reach Flats (Leases) Ltd | Real estate | 2025 |
| Forest Reach Flats (Management) Ltd | Real estate | 2025 |
| Fornax Facilities Ltd | Professional & scientific | 2017 |
| Four Foundations Limited | Construction | 2026 |
| FOX & Sons Lymington Limited | Real estate | 2012 |
| Foxhills Property Services Limited | Administrative & support | 2016 |
| Fpbip Limited | Wholesale & retail | 2022 |
| Fraud Training Ltd | Professional & scientific | 2020 |
| Frere Holdings Limited | Construction | 2025 |
| Frfx Projects Limited | Arts & recreation | 2011 |
| Friction Entertainment Limited | Administrative & support | 2009 |
| Frock Shop Lymington Limited | Wholesale & retail | 2016 |
| Frogmore Studio Ltd. | Other services | 2023 |
| Frontline Associates Landlord Services Limited | Real estate | 2019 |
| Frontline Associates Supported Tenancies Limited | Real estate | 2010 |
| Frontline Expenses Limited | Other services | 2020 |
| Frontline Holdings Limited | Wholesale & retail | 2021 |
| Fruit Salad Biosciences Ltd | Professional & scientific | 2021 |
| FTC Plumbing and Heating Services Ltd | Construction | 2025 |
| Funkymonkey Boatnames Limited | Extraterritorial | 2013 |
| Fusion Welding and Fabrication Limited | Manufacturing | 2002 |
| Futurework Forum Limited | Professional & scientific | 2005 |
| Futurity Limited | Professional & scientific | 2021 |
| G & J Property Solutions Ltd | Households | 2025 |
| G Blackmore Ltd | Arts & recreation | 2016 |
| G Farwell Holdings Limited | Extraterritorial | 1938 |
| G Farwell Limited | Water & waste | 1971 |
| G P S Printworks Holdings Limited | Manufacturing | 2000 |
| G S Cleaning Services Limited | Administrative & support | 2002 |
| G T Paintworks Ltd | Wholesale & retail | 2011 |
| Gainsborough Court (Swanage) Limited | Households | 1973 |
| Galleon Taxis Ltd | Transport & logistics | 2007 |
| Garden and Property Services Limited | Administrative & support | 2003 |
| Garner Maven Global Limited | Real estate | 2024 |
| Gaskets Direct Ltd | Manufacturing | 2022 |
| Gastronomic Project Ltd | Manufacturing | 2023 |
| Gavin Barnes Restaurants Ltd | Hospitality | 2021 |
| Gazmat Neighbourhood Group Limited | Households | 2022 |
| GB Business Consultancy Ltd | Professional & scientific | 2009 |