| Foxglove Vale Ltd | Bristol | 2008 |
| Foxgloves Associates Limited | Wickford | 2010 |
| Foxhall Clinical Services Limited | Birstall | 2015 |
| Foxhole House Properties Limited | East Coker | 2017 |
| Foxholes Business Park Limited | Birmingham | 1987 |
| Foxhound Technology Solutions Limited | Edgware | 2014 |
| Foxie's Security Ltd | Bristol | 2020 |
| Foxilifestyles Ltd | Wimborne | 2020 |
| Foxkloud Limited | Luton | 2017 |
| Foxlea Holdings Limited | Doncaster | 2022 |
| Foxroyd Avenue 1969 Limited | Mirfield | 2014 |
| Foxs Kiln Ltd | Gloucester | 2023 |
| Foxsail Marine Limited | London | 2021 |
| Foxsew Sewing Machine Co., Ltd | Stafford | 2012 |
| Foxton Management Company Limited | Coleraine | 2015 |
| Foxtrot Golf Limited | Doncaster | 2026 |
| Foxwell Limited | Harrogate | 2025 |
| Foxwind Limited | Harrogate | 2025 |
| Foxworthy Limited | Exeter | 2009 |
| Foxxy Tweed Limited | Aylesbury | 2016 |
| Foyl Limited | London | 2007 |
| Foylan Limited | London | 1996 |
| Foyle Fruit Company Limited | | 1987 |
| Foyle Street RTM Company Limited | Sunderland | 2023 |
| FP Central London Limited | Dartford | 2015 |
| FP Global Ltd | Beckenham | 2012 |
| FP Ltd | Newmarket | 2009 |
| FP NO3 (2023) Limited | London | 2016 |
| FP NO6 (2022) Ltd | London | 2017 |
| FP Ventures Limited | Harrow | 2011 |
| FPI Claims Limited | Altrincham | 2022 |
| FPL Signs Limited | Aldershot | 2018 |
| Fpluk Ltd | Aldershot | 2014 |
| Fpmn Limited | Rickmansworth | 2013 |
| FPS Air Compressors Limited | Oxford | 2024 |
| FPT (UK) Limited | Oldbury | 1997 |
| FPY Nominees 1 Limited | Huddersfield | 2022 |
| FPY Nominees 2 Limited | Huddersfield | 2022 |
| Fpyt Trustees Limited | Guiseley | 2015 |
| FQ Constructions Limited | London | 2015 |
| Fqsirz Co., Ltd | Kingsbury | 2021 |
| FRA Consult Ltd | Dover | 2024 |
| FRA Travel Ltd | Whitstable | 2022 |
| Fractalyser Limited | Lincoln | 2025 |
| Fraction Station Ltd | London | 2024 |
| Fractional Assets Limited | London | 2024 |
| Fractional Group Developments Ltd | Ashby-De-La-Zouch | 2024 |
| Fractional Jigsaw Limited | Cheadle | 2025 |
| Fragile Earth Limited | Chippenham | 2017 |
| Fragment Brands Limited | Stafford | 2019 |
| Fragrances UN Limited | Swansea | 2017 |
| Fraline Ltd | London | 2025 |
| Fram Professionals Limited | Hitchin | 2023 |
| Fram Search Limited | Hitchin | 2023 |
| Frame 25 Recruitment Limited | Northampton | 2019 |
| Frame Coat Limited | Portsmouth | 2019 |
| Frame Fast Limited | Derby | 2008 |
| Frame Homes Limited | Redruth | 1997 |
| Frame Homes Modular UK Limited | Redruth | 2018 |
| Frame Modular UK Limited | Redruth | 2018 |
| Frame Photo Ltd | Llandudno | 2018 |
| Frame Technologies 15 Ltd | Leominster | 2023 |
| Frame Technologies Projects Ltd | Leominster | 2023 |
| Frame UK Limited | Redruth | 2002 |
| Frameapply Limited | Berkshire | 1994 |
| Frametec Structures Limited | Chichester | 2013 |
| Framework One Limited | Swaffham | 2014 |
| Framfield (2000) Limited | Sevenoaks | 2022 |
| Frampton 1957 Limited | Bristol | 2014 |
| Frampton Farm Limited | London | 2007 |
| Fran Trueman Limited | Cheltenham | 2013 |
| Francave Company Ltd | Peterborough | 2024 |
| France Eloo Group Co., Ltd. | Beckenham | 2016 |
| France Fruitfulness International Ltd | Manchester | 2025 |
| France Honour Ltd. | Beckenham | 2019 |
| France Lesaff Biotechnology Group Limited | Beckenham | 2023 |
| France Mentliana Dress Business Trade Limited | London | 2013 |
| France ST Dimension Crystal Crop Nutrition Co., Ltd | London | 2024 |
| Franceoffshore Invest PLC | Dover | 2011 |
| Frances Lincoln Limited | London | 1980 |
| Frances Lincoln Publishers Limited | London | 1987 |
| Frances Lundy School of Dance Limited | London | 2009 |
| Francesca Blackmore Ltd | Pen-Y-Bont Ar Ogwr | 2021 |
| Francesca Grima Limited | Chelmsford | 2019 |
| Francesco Hair Salon Limited | Ipswich | 2019 |
| Francesmead Ltd | Mildenhall | 2017 |
| Franchalini 62 Limited | Preston | 2013 |
| Franchise Business Brokers Limited | London | 2019 |
| Francis & Robertson Limited | Leicester | 1962 |
| Francis Academic Press Ltd. | London | 2017 |
| Francis Alphonsus Mcnicholl Limited | Coleraine | 2024 |
| Francis and Co Accountants Ltd | Glos, Cheltenham | 2017 |
| Francis Balestrino Limited | London | 1933 |
| Francis Chappel & Sons Limited | Sutton Coldfield | 1968 |
| Francis COX Ltd | Bridgnorth | 2021 |
| Francis James & Partners (Essex) Limited | Leigh On Sea | 2010 |
| Francis Parker Land Limited | Birmingham | 1961 |
| Francis Parker Limited | Birmingham | 1988 |
| Francis Shaw and Company (Manchester) Limited | London | 1962 |
| Francis Shaw P L C | London | 1909 |