| Farnborough Rugby Union Football Club Limited | Farnborough | 2008 |
| Farnborough Tennis & Table Tennis Club Limited | Farnborough | 2025 |
| Farndon Player Development Ltd | London | 2024 |
| Farne Divers Limited | Newcastle Upon Tyne | 2017 |
| Farnham Bowling Club Limited | Farnham | 1937 |
| Farnham Crafts Quarter CIC | Farnham | 2023 |
| Farnham Golf Club Limited | Farnham, | 1923 |
| Farnham Maltings Association Limited | Farnham | 1969 |
| Farnham Martial Arts Ltd | Maidenhead | 2021 |
| Farnham REP Limited | Bordon | 1999 |
| Farnham Rugby Union Football Club Limited | Farnham | 2010 |
| Farnham School of TAE Kwon DO Ltd | Camberley | 2026 |
| Farnham Soap Box | Farnham | 2018 |
| Farnham Theatre Association Limited | Farnham | 2007 |
| Farnham Town Football Club 1906 Limited | Christchurch | 2026 |
| Farnham Town Football Club CIC | Farnham | 2021 |
| Farningham and Eynsford Local History Society | Crockenhill | 2005 |
| Farnley Estate (Riding Mill) Limited | Cheltenham | 2021 |
| Farnworth Performance Centre Ltd | Bolton | 2025 |
| Farobe Limited | Farnborough | 2020 |
| Farout Ltd | Lowestoft | 2019 |
| Farrah LIA Dance Company Ltd | Edinburgh | 2022 |
| Farrant Fitness Ltd | Winchester | 2020 |
| Farrar Fitness Ltd | Llanbedrgoch | 2024 |
| Farrell Entertainment Ltd | Liverpool | 2025 |
| Farrell Productions Ltd | London | 2023 |
| Farrer Fitness & Wellness Ltd | Brighton | 2025 |
| Farrgone Ltd | Twickenham | 2022 |
| Farris David Limited | Kent | 2002 |
| Farrow's CUE Sports Ltd | Portsmouth | 2023 |
| Farsight Collective Flitcroft 4 Ltd | London | 2025 |
| Farsight Collective Flitcroft Street Limited | London | 2023 |
| Farsight Media Ltd | Hertfordshire | 2002 |
| Farworlds Limited | London | 1984 |
| FAS Entertainments Limited | London | 2019 |
| Fascia Stretching Ltd | Southampton | 2009 |
| Fascial Pilates Movement Limited | Norwich | 2016 |
| Fascination Films Ltd | London | 2025 |
| Fascino Agency Ltd | Pudsey | 2020 |
| Fascinuk Limited | Cornwall | 2002 |
| Fased Gym Ltd | Inverness | 2026 |
| Fashbox Ltd | Stockport | 2011 |
| Fashion Art Media Group Ltd | Peterculter | 2023 |
| Fashion Fiesta CIC | Ilkley | 2023 |
| Fashion Freak Show International Ltd | London | 2022 |
| Fashion Freak Show Limited | London | 2019 |
| Fashion Industry Insiders Limited | Orpington | 2017 |
| Fashion IS My Passion Limited | London | 2019 |
| Fashion Museum Foundation | Bath | 2022 |
| Fashion Technical Services Ltd | London | 2012 |
| Fashion, Talent & Black History C.I.C. | Dudley | 2019 |
| Fashion/Sewing Ltd | Sheffield | 2025 |
| Fashionistan Ltd | London | 2015 |
| Fasportsldn Ltd | Hull | 2022 |
| Fassflicks Limited | Bromsgrove | 2024 |
| Fast & Loud Limited | Mansfield | 2015 |
| Fast Consultancy and Education Ltd | Colwyn Bay | 2014 |
| Fast Eddy Events Limited | Wakefield | 2020 |
| Fast Eddy Racing Events Ltd | Norton Canes | 2026 |
| Fast Familiar Labs Ltd | London | 2020 |
| Fast Familiar Limited | Reading | 2007 |
| Fast Feet Football Academy Ltd | Newcastle Upon Tyne | 2012 |
| Fast Feet Futsal Ltd | Worcester | 2024 |
| Fast Films Ltd | Epping | 2021 |
| Fast Fitness Chelmsley Wood Ltd | Birmingham | 2023 |
| Fast Fitness Unleashed Ltd | London | 2023 |
| Fast Friends Ventures Ltd | London | 2022 |
| Fast Graphics (Nottm) Limited | Nottingham | 2020 |
| Fast Lane Karting Limited | Stoke-On-Trent | 1992 |
| Fast Lane Music Limited | Birmingham | 2005 |
| Fast on Water | Lowestoft | 2014 |
| Fast Pick Store Limited | Mildenhall | 2026 |
| Fast Sports Ltd. | Prestwick | 2009 |
| Fast Time Leisure (Amersham) Ltd | Sunbury-On-Thames | 2025 |
| Fast Time Leisure Limited | Sunbury-On-Thames | 2023 |
| Fast Track (Hull) Limited | Hull | 2004 |
| Fast Track EMS Limited | Winchester | 2016 |
| Fast Track Productions Limited | Reading | 2003 |
| Fast Track Racing Services Limited | Bedford | 2019 |
| Fastball Fedco Limited | London | 2025 |
| Fastball Parent 3 Limited | Birmingham | 2020 |
| Faster Functional Education Limited | Mansfield | 2011 |
| Faster Health and Fitness Limited | Mansfield | 2003 |
| Faster Racing Ltd | Oldham | 2023 |
| Faster Stronger Ltd | Lauder | 2025 |
| Fastfins Limited | London | 2004 |
| Fastlane Cricket Limited | Chelmsford | 2025 |
| Fastlanehq Ltd | Aberdeen | 2023 |
| Fastrack Fitness Limited | Southend-On-Sea | 2011 |
| Fastrax Motor Sports Limited | Dunfermline | 1999 |
| Fasttrack to Motorsport Limited | Ottery St. Mary | 2023 |
| FAT 2 Fit FC CIC | Launceston | 2025 |
| FAT BOY Club Ltd | South Ockendon | 2012 |
| FAT BOY Slims Fitness Ltd. | London | 2018 |
| FAT Cat Records Limited | London | 1997 |
| FAT Chance Limited | London | 2003 |
| FAT Fernando's Events Ltd | Ashbourne | 2024 |
| FAT Head Events Ltd | Ely | 2024 |
| FAT Karting League Limited | London | 2024 |
| FAT LIP Productions Ltd | Chichester | 2024 |