| Field of Dreams Farm Limited | Bury St. Edmunds | 2017 |
| Field of Joy Ltd | Norwich | 2021 |
| Field Operations Assist Ltd | Birmingham | 2025 |
| Field Options Limited | Cambridge | 2004 |
| Field Place Farm Limited | Bolney | 2001 |
| Field Resources Ltd | Alcester | 2026 |
| Field Technique Ltd | Market Rasen | 2018 |
| Field to Fork Game Ltd | York | 2017 |
| Field View Dogs Ltd | Sutton Coldfield | 2026 |
| Field Wise Support Limited | Bridgend | 2025 |
| Fieldarm Limited | Harwich | 2008 |
| Fieldcare Limited | Cambridge | 1973 |
| Fieldcraft Technologies UK Ltd | Huntingdon | 2024 |
| Fielddale Farriery Limited | Bridlington | 2020 |
| Fielder (UK) Limited | Shrewsbury | 2004 |
| Fielder Firewood Limited | Wymondham | 2014 |
| Fielder Limited | Shropshire | 2019 |
| Fielder Marine Services (UK) Limited | Stroud | 2021 |
| Fieldfare Country Foods Limited | Torquay | 2005 |
| Fieldfare Farmers Limited | Whitchurch | 2000 |
| Fieldfare Farms Limited | Salisbury | 1983 |
| Fieldhead Equestrian Ltd | Neston | 2026 |
| Fieldhead Farm Limited | Keighley | 2018 |
| Fieldhead Farming Limited | Keighley | 2025 |
| Fielding Cottage Limited | Diss | 2010 |
| Fielding Wines Ltd | London | 2023 |
| Fieldline Farms Ltd | Norwich | 2018 |
| Fieldpower Limited | Bude | 1995 |
| Fieldroot Rural Limited | Hull | 2025 |
| Fields 59 - 60 Ltd | Ely | 2020 |
| Fields and Flocks CYF | Boncath | 2025 |
| Fields Farm Ashley Ltd | Market Drayton | 2011 |
| Fieldsense Rural Ltd | Edinburgh | 2026 |
| Fieldsoffun Limited | Kilmacolm | 2020 |
| Fieldwise Service Solutions Ltd | London | 2025 |
| Fieldwork Solutions Ltd | Richmond | 2024 |
| Fieldwork Studio C.I.C. | Bridgend | 2023 |
| Fieldworks Local Ltd | Brentford | 2025 |
| Fieldworx Ltd | Exeter | 2026 |
| Fife Community Garden Network Ltd | Dunfermline | 2023 |
| Fife Crops Limited | Cupar | 1995 |
| Fife Fruits Limited | Cupar | 2005 |
| Fife Game and Varmint Control Limited | Exeter | 2024 |
| Fifth Field Ltd | Cambridge | 2026 |
| Fifty Acre Farm Ltd | Lambourne End | 2025 |
| FIG and Rosemary Ltd | Kingston Upon Thames | 2024 |
| FIG Street Livery Limited | Sevenoaks | 2017 |
| Figgis Farms Limited | Nr Faversham | 1986 |
| Figlynne Ltd | Salisbury | 2026 |
| Filedlock Equipra Limited | London | 2026 |
| Filemon Maine Coon and Dobermann Cattery Ltd | Slough | 2021 |
| Filer & Miller Ltd | Shaftesbury | 2015 |
| Filey Fishing Ltd | Filey | 2016 |
| Fillan Shore Projects Ltd | Lochgilphead | 2026 |
| Fillingham Poultry Ltd | Derby | 2020 |
| Filly Brook Farming Ltd | Bishops Frome | 2019 |
| Filmer Farms Limited | Dartford | 2008 |
| Filoxenia Limited | Richmond | 2017 |
| Filter Foams Ltd | Leicester | 2013 |
| Fimm Potatoes Ltd | Forfar | 2010 |
| Final Stop Rescue CIC | Bury St. Edmunds | 2024 |
| Finance for Beef Limited | Carnforth | 1999 |
| Finavon Enterprises Limited | Perth | 1997 |
| Finbar Kent Bloodstock Limited | Liverpool | 2024 |
| Finbows (Bacton) 1991 Limited | Stowmarket | 1990 |
| Finch Farms Ltd | Brigg | 2016 |
| Finchdean Farms Limited | Hampshire | 1977 |
| Finches Charm Limited | Ely | 2004 |
| Finchingfield Lavender Limited | Braintree | 2022 |
| Finchwood Equine Ltd | Hayling Island | 2016 |
| Findan Farming Ltd | Omagh | 2016 |
| Findhorn Nairn & Lossie Rivers Trust | Forres | 2008 |
| Findlay Pet Care Ltd | Leyland | 2023 |
| Findochty Fishing and Fabrication FFF Ltd | Buckie | 2022 |
| Findon Park Farm Limited | Steyning | 1955 |
| Findrack (Sportings) Limited | Edinburgh | 2014 |
| Findstock Limited | Wellingborough | 1996 |
| Fine Line Finishing Ltd | Falmouth | 2019 |
| Fine Pruning Tree Surgery Ltd | Hemel Hempstead | 2024 |
| Fine Scottish Honey Ltd | Edinburgh | 2023 |
| Fine View Farm Limited | Belfast | 2024 |
| Finefarm Limited | Somerset | 1978 |
| Finegand Estate Limited | Glasgow | 1959 |
| Fineland Forestry Limited | Gerrards Cross | 2022 |
| Fineseason Limited | Market Harborough | 1978 |
| Fineshade Vineyard Ltd | Corby | 2024 |
| Finest Christmas Trees Ltd | Wirral | 2016 |
| Finfish Limited | Rosyth | 1991 |
| Finglands Green Limited | Hull | 2014 |
| Finglen North Ltd | Magherafelt | 2025 |
| Finian O'Toole Limited | Chester-Le-Street | 2025 |
| Finistere Fishing Ltd | Looe | 2023 |
| Finistere House Limited | Scarborough | 2020 |
| Finlaggan Bloodstock Limited | Newmarket | 2020 |
| Finland Nordic Chemicals International Co., Ltd | Kenilworth | 2025 |
| Finlas Fishing Club Limited | Ayr | 2021 |
| Finlay Farms Ltd | Mansfield | 2019 |
| Finmere Investments Limited | Brackley | 1980 |
| Finnegan Christmas Trees Ltd | Clogher | 2023 |
| Finnegan’S Whiskers Cat Welfare Ltd | Great Horkesley | 2024 |