| F.J. Snook & Sons Limited | Devizes | 1959 |
| F.J.Farrier & SON Limited | Stourbridge | 1972 |
| F.J.Roe Limited | Huntingdon | 1957 |
| F.J.Whitman & Sons Limited | Enfield | 1963 |
| F.K.Coe & SON Limited | King'S Lynn | 1953 |
| F.N.Hues and Sons Limited | Devizes | 1956 |
| F.P.Molineux Limited | Great Yarmouth | 1957 |
| F.R. Naylor (Norristhorpe) Limited | Liversedge | 1971 |
| F.R.Callaway and Sons Limited | Westbury | 1963 |
| F.S. Dann & SON Limited | Dereham | 1965 |
| F.S. Peake & SON Limited | Nottingham | 1990 |
| F.S.Knight(Stoke Doyle)Limited | | 1960 |
| F.Smith & Son(Whaddon)Limited | Nr. Royston | 1964 |
| F.Strawson Limited | Lincoln | 1957 |
| F.T. Ganderton and SON Limited | Martley | 1957 |
| F.T. Holt & SON (Estates) Limited | Sittingbourne | 2018 |
| F.T.Holt & SON (Farms) Limited | Sittingbourne | 2018 |
| F.T.Holt & SON (Property) Limited | Sittingbourne | 1961 |
| F.Tipler & Sons (Pinchbeck) Limited | Spalding | 1957 |
| F.W. Dobson & Co. (Farms) Limited | Darlington | 1976 |
| F.W. Longhurst & SON Limited | Worthing | 1966 |
| F.W. West (Taplow) Limited | Ringwood | 1965 |
| F.W.& H.S.Goddard Limited | Saffron Walden | 1938 |
| F.W.&.R.Shrubb Limited | Chichester | 1956 |
| F.W.Barker(Farms)Limited | Ipswich | 1955 |
| F.W.Deptford (Hungate) Limited | Wisbech | 1956 |
| F.W.Deptford(Over)Limited | Cambridge | 1952 |
| F.W.Dobson & Co.,Limited | Darlington | 1921 |
| F.W.Hoyles(Sutton St.James)Limited | Spalding Lincs | 1959 |
| F.W.P. (Properties) Limited | Liverpool | 2010 |
| F.W.Shaw & Son,Limited | Goole | 1947 |
| F.W.White(Farmers)Limited | Newark | 1960 |
| F20 Surveying Ltd | Dingwall | 2022 |
| F3 Yorkshire Ltd | Huddersfield | 2025 |
| FA Cropley & SON Limited | Boston | 2000 |
| Faaiz-Khalil Services Limited | Lincoln | 2023 |
| FAB and Furry Ltd | Swansea | 2023 |
| FAB Game Farm Limited | Winchester | 2020 |
| Fabbullies Ltd | Chesterfield | 2020 |
| Faber Brook Farm Limited | Bristol | 2014 |
| Fableman's Highland Honey Ltd | Wick | 2024 |
| Fabrico Marketing Limited | Sheffield | 2025 |
| Faccenda Farms Limited | Northants | 1982 |
| Faccombe Estates Limited | Faccombe | 1978 |
| Face North Forestry Limited | Wells | 2012 |
| Faceworx Ltd | Liverpool | 2018 |
| Fach Properties Limited | Gwynedd | 1962 |
| Facilis Ltd | Diss | 2023 |
| Facs Limited | Warwick | 2002 |
| Factorweb Limited | Swansea | 2005 |
| Fadak Farm Ltd | Purley | 2023 |
| FAE Ltd | Banbridge | 2019 |
| Faerie Tale Alpacas Ltd | Birmingham | 2010 |
| Fagborun Limited | Bradford | 2020 |
| Fahey's Farming Limited | Par | 2023 |
| FAI Farms Limited | Oxford | 2000 |
| Failand Enterprises Ltd | Bristol | 2015 |
| Fair 2 Field Ltd | Leeming Bar | 2024 |
| Fair Close Community Farm Limited | Oxford | 2018 |
| Fair Hero Kennel and Stud Ltd | Epworth | 2026 |
| Fair Isle Fishing Limited | Hessle | 2012 |
| Fair Isle Foods Ltd | London | 2024 |
| Fair Orchard Limited | Oswestry | 2022 |
| Fair PAY Foundation Ltd | London | 2024 |
| Fair Salinia Limited | Newbury | 1986 |
| Fair Wind (N.I.) Limited | Ballyclare | 2013 |
| Fairacres Farm Limited | Windsor | 1964 |
| Fairbairn Trawling Limited | South Ronaldsay | 2016 |
| Fairfax Farm Ltd | Northampton | 2020 |
| Fairfield (Highland) Ltd | Fortrose | 2018 |
| Fairfield Bloodstock Ltd | Lincoln | 2022 |
| Fairfield Lofts Limited | Bromsgrove | 2022 |
| Fairfields Farming Company Limited | Colchester | 2009 |
| Fairfields Feedstock Limited | Colchester | 2015 |
| Fairgrove Vineyard Limited | Colchester | 2026 |
| Fairhaven Environmental Ltd | Warrington | 2011 |
| Fairhead Gundogs Ltd | Whitby | 2026 |
| Fairhill Services Ltd | Dumfries | 2019 |
| Fairholme Farming Limited | Northallerton | 2012 |
| Fairking Limited | Halstead | 1985 |
| Fairlass Shellfish Ltd | Kings Lynn | 2019 |
| Fairlawne Estate Company Limited | Shipbourne | 1985 |
| Fairlawne Holdings Limited | Tonbridge | 2019 |
| Fairlawns Racing Limited | Cambridge | 2018 |
| Fairleigh Farm (IOW) Limited | Porstmouth | 2022 |
| Fairlie (Bonhard) Limited | | 2003 |
| Fairlie Fresh Produce Limited | Forfar | 2018 |
| Fairman Knight and Sons (UK) Limited | Spalding | 2023 |
| Fairmeadows Services Limited | High Peak | 2023 |
| Fairminer Forestry Limited | Addlestone | 2026 |
| Fairmount Farm Ltd | Londonderry | 2016 |
| Fairoak Sleepers Limited | Southampton | 2015 |
| Fairs Nature Recovery Ltd | Exeter | 2026 |
| Fairview Farm Agricultural Services Limited | Canterbury | 2015 |
| Fairview Farm Rippon Burn Limited | Consett | 2026 |
| Fairview Farming Limited | Carlisle | 2020 |
| Fairview Feathers Ltd | Shifnal | 2020 |
| Fairview Nursery Limited | Wisbech | 2017 |
| Fairview Poultry Services Limited | Preston | 2010 |
| Fairview Stud Limited | London | 2024 |