| Friends of Odiham Book Exchange Community Interest Company | Odiham | 2021 |
| Friends of OHR Aaron, David Cardozo Academy | Borehamwood | 2010 |
| Friends of Palestinian Universities | | 2006 |
| Friends of People | London | 2017 |
| Friends of Peterhouse | Huntingdon | 1979 |
| Friends of Portencross Castle | West Kilbride | 1998 |
| Friends of Snugglewood CIC | Ormskirk | 2026 |
| Friends of ST Mary the Virgin Little Wakering C.I.C. | Southend-On-Sea | 2022 |
| Friends of Stratford Park Lido | Stroud | 2024 |
| Friends of the Bodleian | Oxford | 1945 |
| Friends of the Goethe-Institut London | London | 2017 |
| Friends of the King's Academy | London | 2015 |
| Friends of the Lady Eleanor Holles School(The) | Hampton | 1960 |
| Friends of the London Oratory School | London | 2000 |
| Friends of the Young Musicians' Association | Oxford | 1995 |
| Friends of Thornbridge Outdoors | Near Bakewell | 2011 |
| Friends of Trythall School Community Interest Company | Penzance | 2026 |
| Friends of Tumaini Company Limited | Harpenden | 2008 |
| Friends of UCD | London | 1993 |
| Friends of Warsop Vale CIC | Mansfield | 2022 |
| Friends of West Special School | Bury St. Edmunds | 2015 |
| Friends of Woodlands & Coachwood Green Ltd | Worksop | 2014 |
| Friends OUT There | Hertfordshire | 2008 |
| Friends Pre-School Limited | Leicester | 2019 |
| Friends Private Day Nursery Limited | Derby | 1998 |
| Friendship House Limited | Surbiton | 2018 |
| Friesner Education Limited | Lostock | 1986 |
| Frieze Imaging Ltd | South Croydon | 2021 |
| Frimley Town Montessori Nursery School Limited | Camberley | 2021 |
| Frimley Ultrasound & Medical Training Ltd | Guildford | 2019 |
| Frinton Montessori Limited | Frinton-On-Sea | 2017 |
| Frinton Training Services Ltd | Frinton On Sea | 2008 |
| Frisby's College Limited | Norwich | 2011 |
| Frithguild Ltd | London | 2025 |
| FRM Hampshire Ltd | Winchester | 2026 |
| FRM North East Ltd | Middlesbrough | 2021 |
| FRM North London Ltd | London | 2024 |
| Frobel Education Services Limited | London | 2018 |
| Frobel Independent Services Limited | Barking | 2020 |
| Froccomm Ltd | London | 2023 |
| Froebelian School (Horsforth) Limited (the) | Leeds | 1968 |
| Froenglish Ltd | London | 2025 |
| Frog in a PAN Limited | Harrow | 2010 |
| Frog Stone Limited | Dulwich | 2011 |
| Frog Talk Limited | Brixham | 2016 |
| Frog-E Ltd | Cardiff | 2021 |
| Froggatt Training Ltd | Knutsford | 2026 |
| Froggy Creative Learning Ltd | Leeds | 2024 |
| Frogmore Nursery Ltd | Pinner | 2024 |
| Frogs Drama Limited | Brentwood | 2012 |
| Frogzlegz Limited | North Shields | 2013 |
| From Care to Courage Ltd | Rochester | 2026 |
| From Idea to Independence Ltd | Truro | 2025 |
| From Little Acorns Ltd | Snodland | 2009 |
| From Loft to Loved Workshops C.I.C. | Gateshead | 2022 |
| From Love Ltd | Leicester | 2023 |
| From ME to YOU the Art of Survival C.I.C. | Romford | 2021 |
| From North END Farm Community Interest Company | Christchurch | 2025 |
| From the Wing to the Wing CIC | London | 2026 |
| From Zero to Hero Driving School Ltd | Hayes | 2023 |
| Frome Community Education Community Interest Company | Frome | 2011 |
| Frome Cscs Limited | Frome | 2016 |
| Frome Heritage CIC | Frome | 2022 |
| Frome Valley Environmental Network CIC | Bristol | 2025 |
| Fromson Ltd | London | 2016 |
| Front Foot Pathways Ltd | Cardiff | 2025 |
| Front Line Training and Development Limited | London | 2026 |
| Front Room Therapy CIC | London | 2025 |
| Front ROW Music Bolton and Bury Limited | Bradford | 2019 |
| Front ROW Music Cheshire Limited | Bradford | 2021 |
| Front ROW Music East London Limited | London | 2018 |
| Front ROW Music Franchises Limited | Bradford | 2014 |
| Front ROW Music Hampshire Ltd | Bradford | 2018 |
| Front ROW Music Holdings Ltd | Bradford | 2019 |
| Front ROW Music Leeds Limited | Bradford | 2023 |
| Front ROW Music Limited | Bradford | 2011 |
| Front ROW Music London Limited | Bradford | 2017 |
| Front ROW Music Manchester Limited | Bradford | 2021 |
| Front ROW Music Merseyside Limited | Bradford | 2021 |
| Front ROW Music Oldham & Tameside Limited | Bradford | 2021 |
| Front ROW Music South Manchester Limited | Bradford | 2021 |
| Front ROW Music Stockport Limited | Bradford | 2021 |
| Front ROW Music Stockport South Limited | Bradford | 2021 |
| Front ROW Repro Limited | Brighton | 2023 |
| Front UP Coaching Limited | Gloucester | 2014 |
| Frontier Bushcraft Limited | London | 2010 |
| Frontier Education Consultancy Ltd | London | 2024 |
| Frontier Learning Trust | London | 2020 |
| Frontier Risks Limited | Whaley Bridge | 2015 |
| Frontiers of Finance Ltd | London | 2021 |
| Frontline Clinical Education Ltd | Fareham | 2019 |
| Frontline Community CIC | London | 2025 |
| Frontline Echo Ltd | Chester | 2026 |
| Frontline Fire Training Ltd | Bodmin | 2026 |
| Frontline Healthcare Training Limited | London | 2020 |
| Frontline Human Ltd | Romsey | 2021 |
| Frontline MED Group Ltd | Darlington | 2026 |
| Frontline Research and Policy Ltd | Belfast | 2019 |
| Frontline Sports Performance Limited | Walthamstow | 2023 |
| Frontline Training Ltd | Epsom | 2021 |