| EZ Cover Ltd | Extraterritorial | 2018 |
| Ezdo (UK) Limited | Professional & scientific | 2013 |
| Ezyswim Ltd | Education | 2026 |
| F M Express Limited | Wholesale & retail | 2025 |
| F&N Facilities Management Ltd | Other services | 2026 |
| F.N.V. Security & Training Ltd | Professional & scientific | 2024 |
| FA Curry House Ltd | Hospitality | 2017 |
| FA Education Limited | Education | 2024 |
| FAB Mediation Limited | Professional & scientific | 2015 |
| Facade Design & Engineering Limited | Construction | 2015 |
| Faccombe Pellet Co Ltd | Manufacturing | 2025 |
| Fair Environments Ltd | Wholesale & retail | 2023 |
| Fairfields (Probus) Management Company Limited | Households | 2010 |
| Fairhome Developments Ltd | Construction | 2019 |
| Fairlands Gate Management Company Limited | Households | 2025 |
| Fairmead Property Limited | Administrative & support | 1998 |
| Fairview (Highcliffe) Management Company Limited | Households | 2023 |
| Fairway Motor Engineers Limited | Wholesale & retail | 2015 |
| Faith in Veterans Catering Ltd | Hospitality | 2026 |
| Falcon Aviation Solutions Ltd | Professional & scientific | 2013 |
| Falling Star Limited | Hospitality | 2023 |
| Fallow Plumbing & Heating Limited | Construction | 2025 |
| Famoss Autos Ltd | Wholesale & retail | 2019 |
| Famous Fishing Ltd | Agriculture & fishing | 2004 |
| Fancy Camping Ltd | Hospitality | 2022 |
| Fanfast Catering UK Ltd | Hospitality | 2024 |
| Fanfic Ltd | Wholesale & retail | 2013 |
| Fanshawe Consulting Limited | Administrative & support | 2016 |
| Fantasy Property Limited | Professional & scientific | 2002 |
| FAR Sports & Events Ltd | Education | 2024 |
| Farcroft Limited | Real estate | 2002 |
| Farida Assets UK Limited | Financial services | 2025 |
| Farington Mews (Croston) Management Company Limited | Households | 2021 |
| Farla Limited | Financial services | 2012 |
| Farley's Malone Limited | Information & communication | 2002 |
| Farleyai Limited | Information & communication | 2026 |
| Farm Care UK Limited | Administrative & support | 2006 |
| Farm Feed Systems Limited | Manufacturing | 1999 |
| Farm Noises Limited | Arts & recreation | 2021 |
| Farmdining Ltd | Hospitality | 2021 |
| Farming 4 U Ltd | Agriculture & fishing | 2016 |
| Farnleigh Road Management Company Limited | Households | 2006 |
| Farriers Rise (Ringmer) Management Company Limited | Real estate | 2017 |
| Fastnet Tapes Limited | Manufacturing | 2006 |
| Fastwing Air Charter Limited | Transport & logistics | 1996 |
| Fathom Living Ltd | Wholesale & retail | 2026 |
| Faulston Barns (Estate Management) Limited | Real estate | 2016 |
| Fawcetts Accountants Limited | Professional & scientific | 2007 |
| Fawcetts IT Limited | Information & communication | 2013 |
| Fawcetts LLP | | 2017 |
| Fayron Enviromental Ltd | Construction | 2026 |
| Fcgr Holdings Limited | Real estate | 2026 |
| FDC (UK) Limited | Manufacturing | 1997 |
| FDG Medical Aesthetics Ltd | Health & social care | 2025 |
| Featherwax Limited | Professional & scientific | 2012 |
| Feenyx Ltd | Professional & scientific | 2007 |
| Feltham and Feltham Limited Liability Partnership | | 2007 |
| Feltham Locum Services Ltd | Professional & scientific | 2024 |
| FEN Ditton Management Limited | Households | 2013 |
| Fencesmart Limited | Administrative & support | 2017 |
| Fencing Essentials Limited | Wholesale & retail | 2012 |
| Fenman Gardens (Block Q) Freehold Limited | Households | 2010 |
| Fenrir Outdoor Experiences Limited | Arts & recreation | 2025 |
| Fergie and Ronaldo Limited | Wholesale & retail | 2022 |
| Fern Joinery Wiltshire Limited | Construction | 2025 |
| Fernhurst (Hawley) Management Company Limited | Households | 2021 |
| Ferva Ltd | Professional & scientific | 2024 |
| Fervid Group Limited | Construction | 2017 |
| Festival and Events Limited | Hospitality | 2017 |
| Fexco Property Services (Management) Limited | Real estate | 1990 |
| Fexco Property Services Limited | Real estate | 2015 |
| FGH Properties Ltd | Real estate | 2020 |
| Fhoke Limited | Information & communication | 2008 |
| Fidelis HSD Ltd | Professional & scientific | 2022 |
| Field Consult Ltd | Professional & scientific | 2026 |
| Field Farm Limited | Agriculture & fishing | 2023 |
| Field HR Services Ltd | Administrative & support | 2022 |
| Field Innovations Ltd | Wholesale & retail | 2024 |
| Fieldfare Farms Limited | Agriculture & fishing | 1983 |
| Fieldwyn Baldwin Ltd | Wholesale & retail | 2026 |
| FIG and Bramble Ltd | Wholesale & retail | 2023 |
| FIG Business Solutions Ltd. | Professional & scientific | 2014 |
| FIG Estates Limited | Real estate | 2021 |
| FIG Tree Equestrian Limited | Wholesale & retail | 2025 |
| Figgywiggy Ltd | Real estate | 2014 |
| Fight Club International C.I.C. | Administrative & support | 2022 |
| Figlynne Ltd | Agriculture & fishing | 2026 |
| Figsbury Finance Partners Ltd | Financial services | 2026 |
| Figsby Ltd | Information & communication | 2026 |
| FIM Trustee Limited | Extraterritorial | 2011 |
| Fima Management Services Limited | Professional & scientific | 2015 |
| Finance & Law Consulting Limited | Financial services | 2010 |
| Financial Introductions Global Limited | Professional & scientific | 2009 |
| Fincorp Capital Limited | Financial services | 2014 |
| Find GET Grow Limited | Professional & scientific | 2016 |
| Findons Conservatory Specialists Limited | Manufacturing | 2024 |
| Fine Art Portraits Ltd | Arts & recreation | 2019 |
| Fine Art Travel Limited | Administrative & support | 1984 |
| Finesse Dental Laboratory Ltd | Manufacturing | 2023 |
| Finhawk Mortgages Ltd | Financial services | 2019 |