| Four Shire Farms Ltd | Banbury | 2019 |
| Four Winds Equine Assisted C.I.C. | Spalding | 2022 |
| Fouracre Fencing & Tree Work Limited | Hook | 2020 |
| Fouracre Holdings Limited | York | 2016 |
| Fourb's Farming Limited | Goole | 1995 |
| Fourteen (Suffolk) Ltd | Hessle | 2014 |
| Fourteen Agrinsect Limited | Skegness | 2020 |
| Fourtress Dairy Hygiene Limited | Bury | 2017 |
| Fourways Nursery Ltd | Waltham Abbey | 2011 |
| Fouts Cross Farm Cattery Ltd | Somerset | 2017 |
| Fowberry Farm (Bamburgh) Limited | Bamburgh | 2011 |
| Fowberry Farms Limited | Wooler | 1987 |
| Fowey Shellfish Company Limited | Wolverhampton | 2012 |
| Fowler Fisheries Ltd | Oxford | 2021 |
| Fowlers Flock & Field Limited | Whitchurch | 2025 |
| Fowlshatchcopse Ltd | Godalming | 2016 |
| Fowrass | Cumbria | 2006 |
| FOX Agriculture Limited | Stockport | 2026 |
| FOX Agronomy Limited | York | 2010 |
| FOX and Pheasant Land Limited | Colchester | 2016 |
| FOX Covert Farm Ltd | Doncaster | 2020 |
| FOX Covert Farms Holdings Limited | York | 2024 |
| FOX Davies Fishing Ltd | Wolverhampton | 2017 |
| FOX Earth Tree Care Solutions Ltd | Patching | 2007 |
| FOX Farm Growers Ltd. | Hayle | 2012 |
| FOX Farm Ltd | Brackley | 2019 |
| FOX Farriers Limited | Luton | 2017 |
| FOX Feeds Limited | Buntingford | 1985 |
| FOX Field Farm Dorset Limited | Wimborne | 2024 |
| FOX Field Farm Ltd | Armagh | 2017 |
| FOX Forages Limited | Buntingford | 2001 |
| FOX Formulated Feeds Limited | Near Barnard Castle | 1995 |
| FOX Growers Ltd | Honiton | 2021 |
| FOX Hill Christmas Trees Ltd | Haywards Heath | 2012 |
| FOX Hill Grange Farm Ltd | Brixworth | 2022 |
| FOX Poultry Limited | Dungannon | 2014 |
| FOX Red Labradors UK Ltd | Barnsley | 2025 |
| FOX Red Labs Ltd | Rotherham | 2018 |
| FOX Tarn Limited | Grantham | 2025 |
| FOX Tree Surgery Ltd | Cardiff | 2018 |
| FOX Wood Wild Limited | Ipswich | 2017 |
| Fox's Farm Service Limited | Wellington | 2010 |
| Foxbar Community Garden & Environmental Project Group Ltd | Paisley | 2025 |
| Foxberry Fruit Farm Ltd | Lurgan | 2009 |
| Foxborough Farming Limited | Cambridge | 2017 |
| Foxbridge Animal Hotel Limited | Market Drayton | 2017 |
| Foxbrook Farm Limited | Chesterfield | 2019 |
| Foxburrow Farm Limited | London | 2007 |
| Foxbury Farm (Oxon) Limited | Coventry | 1994 |
| Foxcombe Farm (Somerset) Limited | Holsworthy | 2005 |
| Foxcote Farm Limited | Mansfield | 2003 |
| Foxcote Manor Farm Limited | London | 2022 |
| Foxdenton Farm Livery Yard Ltd | Manchester | 2022 |
| Foxearth Equestrian Services Ltd | Fareham | 2024 |
| Foxecroft Partnership Limited | Nantwich | 2021 |
| Foxfarmequestrian Ltd | Halesowen | 2012 |
| Foxfield Livestock Limited | Newry | 2023 |
| Foxfield Stud Limited | Kilmarnock | 2002 |
| Foxglove Engineering Ltd | Belper | 2023 |
| Foxhall Assembly Centre Ltd | Kettering | 2013 |
| Foxhall Trading Limited | Kettering | 2016 |
| Foxharris Ltd | Newton Ferrers | 2025 |
| Foxhill Farming Co Limited | Canterbury | 2017 |
| Foxhill Livery & Rehabilitation Services Ltd | Chichester | 2022 |
| Foxhill Livestock Limited | Cullompton | 2014 |
| Foxhill Stables Limited | Canterbury | 2014 |
| Foxhills Fishery Limited | Walsall | 2020 |
| Foxhills Pet Community Limited | Beverley | 2026 |
| Foxhills Tree Services Ltd | Ninfield | 2011 |
| Foxhole Woodland Services Limited | Tenterden | 2005 |
| Foxholes Farm Limited | Shrewsbury | 2010 |
| Foxholes Farming Limited | Filey | 2014 |
| Foxhollow Farm Limited | Wellington | 2012 |
| Foxhollow Nurseries Limited | Minehead | 2002 |
| Foxhound Welfare UK Ltd | Gateshead | 2025 |
| Foxhouse Cattery Ltd | Bridgnorth | 2023 |
| Foxland Farming Company Limited | London | 2023 |
| Foxstock Limited | Axminster | 2019 |
| Foxstone Forestry Limited | Retford | 2014 |
| Foxtate Farming Ltd | Salisbury | 2020 |
| Foxton Falconry Limited | Market Harborough | 2013 |
| Foxton Farmers Limited | Driffield | 1953 |
| Foxwood Produce Ltd | Thetford | 2023 |
| Foxy Fisheries Ltd | Manchester | 2025 |
| FOY Agri Contracts Ltd | Enniskillen | 2025 |
| FOY Eggs Ltd | Ross-On-Wye | 2012 |
| Foyle View Farms Ltd | Strabane | 2005 |
| Foylemore Oysters Limited | Derry | 2013 |
| FP Sporting Ltd | King'S Lynn | 2021 |
| FPS Arborist Limited | Epsom | 2017 |
| FPS Equestrian Ltd | Carnforth | 2026 |
| FR & NM Pulleyn Ltd | York | 1999 |
| FR Contracting Solutions Ltd | Northampton | 2024 |
| FR Global-Invest Ltd | London | 2024 |
| FR K9 Ltd | Wigan | 2022 |
| FRA Projects Ltd | Norwich | 2018 |
| Frag Farm Ltd | Slough | 2016 |
| Fragaria Farm Limited | York | 2024 |
| Fragile Planet Ltd | Oswestry | 2004 |
| Framar Fisheries Limited | Chelmsford | 2023 |