| FD Nursery Limited | Sevenoaks | 2023 |
| FD Sports and Activities CIC | London | 2025 |
| FDA Consultancy Ltd | Borehamwood | 2023 |
| FDC Academy Limited | Staffs, Cannock | 2021 |
| FDE Training Limited | Shotts | 2019 |
| Fdfc (Fire Door Furniture Company) | Pontarddulais | 2026 |
| Fdis Limited | London | 2012 |
| FDQ Limited | Leeds | 2005 |
| Fdsm Group Ltd | London | 2025 |
| Fdtbooking Ltd | Paignton | 2024 |
| FE & Skills Consultancy Ltd | Huddersfield | 2021 |
| FE Consulting (Sussex) Ltd | Battle | 2016 |
| FE Direct Ltd | Luton | 2025 |
| FE Electrical Solutions Ltd | Liverpool | 2021 |
| FE Further Afield Limited | London | 2024 |
| FE Professional Services Ltd | Wakefield | 2023 |
| FE Safeguarding Consultancy Ltd | London | 2022 |
| FE Solutions Limited | Hailsham | 2018 |
| FE Sussex | Chichester | 2005 |
| FEA South Ltd | London | 2022 |
| Fea-Ai Ltd | Bristol | 2025 |
| Fea-I Ltd | Bristol | 2025 |
| Feam Technical Training (Feamtt) Ltd. | Livingston | 2021 |
| Fear Free Life CIC | Barnet | 2023 |
| Fearless Adventures Academy Limited | Wilmslow | 2022 |
| Fearless Community Leicester CIC | Leicester | 2026 |
| Fearless Females in Business Limited | Derby | 2023 |
| Fearless Femme Ltd | London | 2019 |
| Fearless Futures Limited | London | 2014 |
| Fearless Putting Limited | Aylesbury | 2011 |
| Fearnley Day Nursery Limited | Bradford | 2023 |
| Fearon's Weight Training Gym and Boxing Academy CIC | Derby | 2013 |
| Feasted CIC | Stoke-On-Trent | 2019 |
| Feathers Performance Academy Ltd | Bedford | 2018 |
| Feathers Teens CIC | Donington Spalding | 2022 |
| Feathers Wellbeing CIC | Birmingham | 2025 |
| Featherstone Education Centre Ltd | Birmingham | 2026 |
| Featherstone Sports Centre Trust | Southall | 2018 |
| Feats Future Ltd | London | 2026 |
| Febby's Tutorials Ltd | London | 2023 |
| FEC Educational Consultants Limited | Liverpool | 2025 |
| Feda Ltd | London | 2025 |
| Fedcap Employment Limited | Stockton-On-Tees | 2019 |
| Fedcap Employment Scotland Limited | Edinburgh | 2019 |
| Fedcap UK | Stockton-On-Tees | 2016 |
| Fedde Googa Limited | Salford | 2022 |
| Fedderate Woods Limited | Dundee | 2016 |
| Federal College of Commerce Limited | Mitcham | 2006 |
| Federal Trust for Education and Research(The) | London | 1976 |
| Federation of Equine European Veterinary Associations Ltd. | Leatherhead | 2010 |
| Federation of Essex Women's Institutes | Hatfield Peverel | 1992 |
| Federation of Optometrists and Dispensing Opticians Educational Charity | Walsall | 1998 |
| Federation of Wwoof Organisations | Manchester | 2013 |
| Federica Carlini Studio Ltd | London | 2023 |
| Feduk Ltd | London | 2024 |
| Fedutech Ltd | Leeds | 2025 |
| FEE FI FO Stories Ltd | Greater London | 2026 |
| Feed My Health Limited | Stockton-On-Tees | 2023 |
| Feed the Children | London | 2012 |
| Feed the Streets Enterprise Ltd | London | 2012 |
| Feedback 360 Ltd | London | 2017 |
| Feeding Tiny Minds CIC | Gloucester | 2024 |
| Feel Energised Martial Arts Ltd | Bexhill-On-Sea | 2023 |
| Feel Fit Gym Ltd | Oxford | 2008 |
| Feel Good Active Programme CIC | Liverpool | 2025 |
| Feel Good Child Hood Limited | Farnborough | 2026 |
| Feel Good Forest School Ltd | St. Albans | 2025 |
| Feel Good Futures CIC | Stockport | 2025 |
| Feel Good Futures Training Limited | Liverpool | 2020 |
| Feel Good Sport Ltd | Prescot | 2023 |
| Feel GUT Limited | Stockport | 2023 |
| Feel Purpose Fitness CIC | Wigan | 2026 |
| Feel Safe Training Ltd | Romford | 2023 |
| Feel the Part CIC | Stoke-On-Trent | 2021 |
| Feel Unique Beauty School Ltd | Chorley | 2019 |
| Feel- Think- BE Limited | London | 2020 |
| Feelgood Theatre Productions | | 1997 |
| Feelgrowlive Ltd | Mildenhall | 2023 |
| Feeling Young Ltd | Torquay | 2019 |
| Feepo Ltd | Richmond | 2021 |
| Fefsdanceagency Ltd | Barking | 2026 |
| Fega Limited | Manchester | 2021 |
| Fego Care Solutions Ltd | Stevenage | 2025 |
| Fegokam School of Business & Leadership Ltd | London | 2025 |
| Feibel Trading Ltd | Fareham | 2019 |
| Feifan International Consulting Company Limited | Southampton | 2024 |
| Feis SPE | Kingussie | 2005 |
| Felca | London | 2000 |
| Feldenkrais International Training Centre Limited | Brighton | 1999 |
| Feldys CIC | Kingston Upon Thames | 2026 |
| Felicia Ltd | Oldham | 2023 |
| Felicitous Foodology UK Limited | Colchester | 2024 |
| Felicity Wood Yoga Ltd | Newbury | 2019 |
| Felixstowe International E-Wha Limited | Felixstowe | 1995 |
| Felixstowe Nursery School Ltd. | Ipswich | 1977 |
| Fell Fitness Community Coaching Ltd | York | 2025 |
| Fell Futures CIC | Wigton | 2026 |
| Fell KIN CIC | Morecambe | 2025 |
| Fellows Education Ltd | Warrington | 2021 |
| Fellowship Afloat Charitable Trust | Maldon | 1996 |