| FRM Pilates Studio Ltd | Derby | 2025 |
| Frmd London Limited | London | 2017 |
| FRO Fitness Ltd | London | 2017 |
| Frobaw Ltd | Bradford On Avon | 2022 |
| Frobiz Ltd | Dartford | 2015 |
| Frocester Cricket Club Limited | Stonehouse | 2018 |
| Frocester Cricket Club Supporters Group Limited | Stonehouse | 2018 |
| Frockstars Limited | Taunton | 2015 |
| Frode Sorensen Design Ltd | London | 2009 |
| Frog and Bone Ltd | Halesworth | 2023 |
| Frog in a Sock Health & Fitness Limited | London | 2016 |
| Frog Models Ltd | London | 2024 |
| FROG4U Limited | Cheltenham | 2011 |
| Frogface Limited | Bromsgrove | 2022 |
| Froggerdog Festival Limited | Wirral | 2025 |
| Froggle Parties Birmingham Ltd | Brierley Hill | 2021 |
| Froggle Parties EL Ltd | Stratford-Upon-Avon | 2020 |
| Froggle Parties EW Sussex Ltd | Eastbourne | 2021 |
| Froggle Parties Limited | London | 2008 |
| Froggle Parties Sussex Ltd | Chichester | 2014 |
| Froggy & Foxy Press Ltd | London | 2026 |
| Frogirlginny Limited | London | 2017 |
| Frogmore Alternative Events Limited | Stevenage | 2014 |
| Frogmore Grange Limited | Coventry | 2007 |
| Frogs London Ltd | Norwich | 2024 |
| Frogs Swim School Ltd | Elmstead, Colchester | 2024 |
| Frogsfood Ltd | Edinburgh | 2024 |
| Frogspawn Limited | London | 1997 |
| Frolesworth Dog Field Ltd | Lutterworth | 2025 |
| Frolesworth Sporting Limited | Lynch Wood | 2025 |
| Frolow Ltd | London | 2018 |
| From Form C.I.C. | Bristol | 2026 |
| From Longton and Proud CIC | Stoke-On-Trent | 2024 |
| From Mars Ltd | Cardiff | 2020 |
| From My Brain Ltd | Standish | 2018 |
| From My City Limited | London | 2010 |
| From Page to Stage Ltd | London | 2015 |
| From Red 2 Black Limited | Lichfield | 2024 |
| From the Ashes YOU Rise Limited | London | 2024 |
| From the Fields Ltd | London | 2013 |
| From the Heart Theatre | Cheltenham | 2019 |
| From the JAM Ltd | London | 2025 |
| From the Mill Theatre Company Ltd | Manchester | 2016 |
| From the Other Limited | Salford | 2011 |
| From the Roots Community Interest Company | Birmingham | 2014 |
| From the Source Limited | London | 2023 |
| From the Source Productions Limited | London | 2025 |
| From the West END Limited | London | 2018 |
| From: Disco to: Disco Limited | Stoke Albany | 2024 |
| Frome Boulder Rooms Ltd | Frome | 2020 |
| Frome Cheese & Grain Trading Company Limited | Frome | 2005 |
| Frome Festival Limited | Frome | 2002 |
| Frome International Climate Film Festival Community Interest Company | Frome | 2023 |
| Frome Memorial Theatre Trust | Frome | 2004 |
| Frome Park Bowling Club Limited | Frome | 2023 |
| Frome Rugby Football Club Limited | Frome | 1998 |
| Frome Symphony Productions Limited | Frome | 2026 |
| Frome Tennis Club Limited | Frome | 2020 |
| Frome Town AFC Limited | Frome | 2011 |
| Frome Town United Football Club Ltd | Frome | 2024 |
| Fromeside Gymnastics Club (1987) Limited | Bristol | 1987 |
| Fromkolours Ltd | Bromley | 2025 |
| Fron Sport Clubs Ltd | Newquay | 2025 |
| Front 2 Back Records Limited | Worthing | 2003 |
| Front 9 Golf Limited | Braintree | 2025 |
| Front Centre Limited | Bury | 2020 |
| Front Door Theatre Ltd | Derby | 2021 |
| Front Foot Coaching Ltd | Cannock | 2023 |
| Front Foot Instruction Ltd | Faversham | 2024 |
| Front Left Music Limited | Camberley | 2023 |
| Front Light Media Ltd | Milton Keynes | 2021 |
| Front Line Adventure Games Ltd | Arundel | 2019 |
| Front Line Fit Ltd | Manchester | 2010 |
| Front Nine Limited | London | 2024 |
| Front of House LS Limited | Swindon | 2015 |
| Front of House Productions Ltd | Bargoed | 2018 |
| Front Page Creators Ltd | London | 2025 |
| Front Pocket Music Limited | London | 2015 |
| Front Room Songs Ltd | Redhill | 2018 |
| Front Room WSM Community Interest Company | Weston-Super-Mare | 2023 |
| Front ROW Promotions Limited | Redditch | 2026 |
| Front ROW Sports Events Ltd | Cardiff | 2016 |
| Front Runner Events Limited | Swansea Vale | 2013 |
| Front Step Limited | Inverkeithing | 2003 |
| FRONT4 Music Limited | Weybridge | 2004 |
| Frontcourt Capital Limited | Chesham | 2025 |
| Frontcourt Chesham Limited | Chesham | 2025 |
| Fronterra Ltd | Manchester | 2023 |
| Frontfoot Sports Ltd | Rochdale | 2025 |
| Frontier Airsoft Events Limited | Cradley Heath | 2025 |
| Frontier Amusements Ltd | Hunstanton | 2022 |
| Frontier Golf Ltd | Hitchin | 2022 |
| Frontier Physical Conditioning Ltd | Doncaster | 2013 |
| Frontier Tattoo Parlour Limited | Cardiff | 2013 |
| Frontierland Limited | Blackpool | 1959 |
| Frontline Boxing and Fitness Centre Limited | Hindley Green | 2025 |
| Frontline Combat Ltd | Lincoln | 2017 |
| Frontline Events Ltd | Dunstable | 2019 |
| Frontline Fit Global Ltd | Manchester | 2014 |
| Frontline Football Limited | London | 2007 |