| Frogmary Green Ltd | South Petherton | 2015 |
| Frogmore Farming Ltd | Stevenage | 2020 |
| Frogsnest Farm Limited | Banbury | 2021 |
| Frogwell Farm Limited | Taunton | 1996 |
| Frolesworth Farms Limited | Lutterworth | 1975 |
| From a Small Acorn Ltd | Holmfirth | 2021 |
| From Spring Hill C.I.C. | Faringdon | 2014 |
| From the Beehive Ltd. | Stafford | 2024 |
| From the Land Community Interest Company | Bath | 2023 |
| From the Mountain ENG Limited | Great Yarmouth | 2016 |
| Frome Compost CIC | Frome | 2021 |
| Frome Field 2 Fork CIC | Frome | 2021 |
| Fron Farm Retreat Limited | Whitland | 2001 |
| Front ROW Feeds Ltd | Starston | 2015 |
| Front ROW Fencing Ltd | Market Rasen | 2012 |
| Frontier Agriculture Limited | London | 2004 |
| Frontier Forestry and Fencing Ltd | Newark | 2025 |
| Frontier Forestry Ltd. | Penicuik | 1998 |
| Frontiers Agricultural Limited | Brickendon | 2013 |
| Frontline Vegetation Ltd | Blackwood | 2026 |
| Froottree Catering and Events Ltd | Silvertown | 2019 |
| Frosco Ltd | Brighton | 2022 |
| Frost Farms Limited | Abingdon | 1976 |
| Frost Hole Farm Limited | Knaresborough | 2021 |
| Frosty Haze Limited | Dunstable | 2026 |
| Frost’S Firewood Limited | Rugby | 2018 |
| Froxfield Dressage Sales Limited | Alton | 2019 |
| Froxfield Stud Limited | Alton | 2019 |
| Froya Limited | Manchester | 2001 |
| Frozen at Sea Limited | Peterhead | 2008 |
| Frozen at Sea Prawns Ltd | Kilkeel | 2024 |
| Frozen on Board Prawns Ltd | Fraserburgh | 2025 |
| Fructus Farms and Foods Limited | London | 2019 |
| Fruit and Forest Ltd | Maidstone | 2023 |
| Fruit and NUT Nursery Limited | Newport | 2021 |
| Fruit on Root Ltd | Reading | 2025 |
| Fruit Tree Pruning Services Limited | Herne Bay | 2022 |
| Fruit Trees and Honey Bees Ltd | Wadhurst | 2026 |
| Fruitcast Limited | Lincoln | 2021 |
| Fruitech PVT Ltd | Lincoln | 2021 |
| Fruitfields Orchard Limited | Birmingham | 2018 |
| Fruitful Bough Fishing Company Limited | Cawdor | 2009 |
| Fruitful Orchard CIC | London | 2023 |
| Fruits of the Sea Limited | Southend-On-Sea | 2000 |
| Fruitway Farm Limited | Abingdon | 2024 |
| FRY Farming Limited | Wareham | 2011 |
| FS Sport Horses Ltd | Alresford | 2020 |
| Fsfp Limited | Mansel Lacy | 2017 |
| FSH Technical Solutions (Fshts) Limited | Ipswich | 2010 |
| FSI Stump Cutters UK Limited | Ipswich | 2023 |
| Fsih Limited | Peterhead | 2022 |
| FSN International GROUP-2-(UK) Ltd | London | 2023 |
| FST Farm Ltd | Manchester | 2026 |
| FTK9 Ltd | Nottingham | 2023 |
| FTS Rail Ltd | Crewe | 2016 |
| FTS Timber Ltd | Crewe | 2019 |
| Ftw-International Ltd | Manchester | 2022 |
| Fuchsia (Eco) Ltd | Derby | 2026 |
| Fudi People Ltd | Sidcup | 2022 |
| Fuel Chip Limited | Iver | 2011 |
| Fuelled by Nature Limited | Horncastle | 2011 |
| Fulbeck Gardens Cottage and Vineyard Limited | Grantham | 2017 |
| Fulcher Forestry & Tree Works Ltd | Ipswich | 2018 |
| Fulcher Forestry Limited | Sudbury | 2023 |
| Fulford Park Limited | Banbury | 2017 |
| Fulfordlees Farmers Limited | Cockburnspath | 2016 |
| Full Circle Farms Sussex Ltd | Haywards Heath | 2019 |
| Full Growth Limited | London | 2026 |
| Full Spectrum ARB Ltd | Chessington | 2023 |
| Full Thrust Limited | Market Rasen | 2020 |
| Fuller & SON (Deddington) Limited | Banbury | 1961 |
| Fuller's Croft Ltd | Inverurie | 2025 |
| Fuller's Equine Services Ltd | Lewes | 2019 |
| Fullers (Brickwall Farm) Limited | Halstead | 1960 |
| Fullers Farming Ltd | Northampton | 2006 |
| Fullerton Farms Limited | Andover | 1969 |
| Fullicar Limited | Craven Arms | 2022 |
| Fully Scaled MF Limited | Knutsford | 2025 |
| Fulton Fisheries Consultancy Ltd | Isle Of Harris | 2019 |
| Fulton Holdings (Leeds) Limited | Leeds | 1996 |
| Fulwood Cattery Ltd | Derby | 2018 |
| Fulwood Farrier Services Ltd | Derby | 2018 |
| Fulwood Stud Ltd | Derby | 2007 |
| FUN GUY Mushrooms Ltd | Isle Of Bute | 2025 |
| Functional Fungi Ltd | Hemel Hempstead | 2023 |
| Fundatia Adept Ltd | Salisbury | 2006 |
| Fungall CIC | Manchester | 2023 |
| Fungi Biotics Limited | Maldon | 2021 |
| Fungi Fields Ltd | Manchester | 2024 |
| Fungi Fungi Ltd | Selby | 2025 |
| Fungi Futures Community Interest Company | Totnes | 2011 |
| Fungicated Limited | Petersfield | 2024 |
| Fungimental Mushrooms Ltd | Beaminster | 2025 |
| Fungus Co Ltd | Heathfield | 2022 |
| Funguys Funghi Ltd | Uckfield | 2026 |
| Funkyrreptiles Limited | Liverpool | 2026 |
| FUR Real Dog Grooming Limited | Lincoln | 2025 |
| Furbabies Day Care Ltd | Nottingham | 2019 |
| Furcare Ltd | Nottingham | 2025 |
| Furever Companions Ltd | Fleetwood | 2025 |