| Film MCR Ltd | Bristol | 2020 |
| Film Safely Limited | Hexham | 2015 |
| Filmawit Event & Dekor Limited | Cardiff | 2025 |
| Films R US Limited | Warwick | 2021 |
| Filo Verde Ltd | Winchester | 2014 |
| Filr Ltd | London | 2026 |
| Filta Refrigeration Limited | Macclesfield | 2004 |
| Filtafry Limited | Macclesfield | 2001 |
| Filthy Mammal Ltd | London | 2013 |
| Filtration & Valves Limited | Tewkesbury | 1979 |
| Filtrona Filters Limited | London | 1931 |
| Filuma Garage Doors Limited | Manchester | 2003 |
| FIM Trustee Limited | Salisbury | 2011 |
| Fimolo Ltd | London | 2025 |
| FIN Foods Limited | Bromsgrove | 2022 |
| Finad Limited | London | 1990 |
| Finaero Ltd | Alcester | 2025 |
| Final Journey Funerals Limited | Carlisle | 2017 |
| Final Touch Limited | Calne | 1994 |
| Finalzone Residents Management Limited | Hereford | 1988 |
| Finan Investments Limited | Chichester | 2006 |
| Finanalytica Solutions Limited | Pinner | 2018 |
| Finance and Business Solutions Limited | Stanmore | 2013 |
| Finance Awards Wales Limited | Newport | 2017 |
| Finance British Business Ltd | Towcester | 2021 |
| Finance Check Ltd | Cambridge | 2022 |
| Finance Devon Limited | Truro | 1999 |
| Finance Director Assist Limited | Kidderminster | 2009 |
| Finance for Leisure (Glasgow) Limited | Isle Of Arran | 1978 |
| Finance Ltd | London | 2004 |
| Finance UN Limited | Swansea | 2013 |
| Financefinity Limited | Newark | 2022 |
| Financial Advice Network Ltd | Cheadle | 2005 |
| Financial Advice Scotland Ltd | Glasgow | 2019 |
| Financial Advice UK Ltd | Glasgow | 2019 |
| Financial Advice Website Ltd. | Cheadle | 2012 |
| Financial Catalysts Limited | Stansted | 2016 |
| Financial Connection Wealth Management Limited | Chorley | 2012 |
| Financial Data Exchange Limited | London | 2003 |
| Financial Design Limited | Swaffham | 2003 |
| Financial Direction Ltd | Devizes | 2000 |
| Financial Discounts Direct Limited | Farnham | 1998 |
| Financial Facility Partners Limited | Newry | 2015 |
| Financial Foresight Limited | Downpatrick | 2006 |
| Financial Freedom Management Ltd | Bolton | 2014 |
| Financial GP Limited | Preston | 2020 |
| Financial Leader Limited | Doncaster | 2015 |
| Financial Leadership Foundations Ltd | London | 2024 |
| Financial Line Limited | Peterborough | 2019 |
| Financial News Limited(The) | London | 1958 |
| Financial Recruitment Limited | Southampton | 1996 |
| Financial Republic Ltd | London | 2011 |
| Financial Strategy Limited | Milton Keynes | 1995 |
| Financial Talk Limited | Derby | 2000 |
| Financial Temps Limited | Southampton | 1997 |
| Financial Times (Switzerland) Limited(The) | London | 1982 |
| Financial Times Business Limited | London | 1924 |
| Financial Times Electronic Publishing Limited | London | 1992 |
| Financial Times Investor Limited | London | 2000 |
| Financial Traders Limited | London | 2013 |
| Financing of Return to Employment (Forte) Ltd | London | 2020 |
| Finans Holding Limited | London | 2022 |
| Finanskonsulenten Limited | Pencoed, Bridgend | 2010 |
| Finanstac Ltd | London | 2014 |
| Finar Safe Ltd | London | 2017 |
| Finat Capital Limited | London | 2023 |
| Finaxis Ltd | Bexhill-On-Sea | 2009 |
| Finborud Invest Limited | London | 2025 |
| Finborud Leiekjoring Limited | London | 2025 |
| Fincasal Ltd | Barnet | 2015 |
| Finch & Associates Limited | Weston Super Mare | 2024 |
| Finch Care and Housing Ltd | Stoke-On-Trent | 2022 |
| Finch Hatton Limited | Surrey | 2006 |
| Finch Theory Limited | Bishop'S Stortford | 2026 |
| Finch United Kingdom (UK) Ltd | London | 2012 |
| Finchcliffe Properties Limited | Great Yarmouth | 1996 |
| Finchley Films Ltd | Borehamwood | 2022 |
| Finco Homes Limited | Chesterfield | 2023 |
| Fincore Group Limited | London | 2020 |
| Find and Update Ltd | Ilford | 2024 |
| Find FAB Gifts Ltd | London | 2019 |
| Find ISO Consultants Ltd | Oxford | 2021 |
| Find IT Sell IT LET IT Limited | Wakefield | 2008 |
| Find ME a MAN Ltd | Croydon | 2013 |
| Find My Builders Limited | Manchester | 2017 |
| Find My Flat Ltd | London | 2025 |
| Find Your Funny Ltd | London | 2024 |
| Find Your Remedy Ltd | Caterham | 2023 |
| Find Your Way Ltd | Fleet | 2019 |
| Findanyworker.Com Ltd | Leigh | 2020 |
| Findatum Limited | Norwich | 2021 |
| Finden & Hales Limited | Carpenders Park | 2004 |
| Finderin Limited | London | 2016 |
| Finders Midco Limited | Newcastle Upon Tyne | 2015 |
| Finding the Face Limited | Seaford | 2019 |
| Findlater's Limited | Linlithgow | 2009 |
| Findlay James Ltd | Cheltenham | 2011 |
| Findlay Wetherfield Scott & Co Limited | Epping | 1988 |
| Findon 1972 Limited | Worthing | 2014 |
| Fine Agro Foods Ltd. | Glasgow | 2014 |