| Ferrensby Chickens Ltd | Knaresborough | 2015 |
| Ferriby Fencing & Gardening Contractors Limited | North Ferriby | 2004 |
| Ferring Country Centre Limited | Worthing | 1986 |
| Ferrings Wood Limited | Lewes | 2025 |
| Ferris Fisheries Ltd | Sittingbourne | 2025 |
| Ferry & Sons Ltd | Co Durham, Bishop Auckland | 2021 |
| Ferry Lane Farms Limited | Derby | 2014 |
| Ferry Three Fields Limited | Hull | 2023 |
| Ferryboat Farm Fisheries Limited | Barnsley | 2004 |
| Ferryman Polytunnels Limited | Crediton | 2004 |
| Fersc Limited | Stratford-Upon-Avon | 2024 |
| Fertadvisor Ltd | Wymondham | 2018 |
| Fertech Ltd | Redditch | 2020 |
| Fertile Fibre Limited | Herefordshire | 2004 |
| Fertiliser Ltd | Great Yarmouth | 2017 |
| Fertility QMS Limited | 1 Oxford Street | 2007 |
| Festibell Ltd | Radstock | 2014 |
| Festival Fishery Limited | Templecombe | 2018 |
| Festive FIR Limited | Ellon | 2017 |
| Festive Forestry Services Limited | Ledbury | 1999 |
| Festive Illuminations Ltd | Petworth | 2015 |
| Fetch Pet Care Ltd | Nottingham | 2024 |
| Fetch ‘N’ Friends Dog Walking Fife Ltd | Cupar | 2024 |
| Fetherston Farm Ltd | Solihull | 2025 |
| Feversham Freerange Eggs Limited | Sandy | 2009 |
| Fewings Farming Ltd | Taunton | 2018 |
| FEX Farming Limited | Deal | 2016 |
| FF Agriculture Ltd | Taunton | 2012 |
| FF Equi Arena's Limited | Lanark | 2016 |
| Ffarm Llegad CYF | Oswestry | 2002 |
| Ffenswyr Penllyn CYF | Y Bala | 2019 |
| Fferam Bailey Ltd | Llangefni | 2020 |
| Fferm Buwch Blewog Ltd | Haverfordwest | 2025 |
| Fferm Cae'R Meddyg Ltd | Llanbedr | 2022 |
| Fferm Chwilog Fawr CYF | Porthmadog | 2016 |
| Fferm Esgair Owen Ltd | Llandeilo | 2020 |
| Fferm Fronglyd CYF | Haverfordwest | 2009 |
| Fferm Frongoch Fach Ltd | Carmarthen | 2022 |
| Fferm Gelli Livery Ltd | Newport | 2024 |
| Fferm Goedwig Gymunedol Dyffryn Tanat Valley Community Forest Farm CIC | Oswestry | 2020 |
| Fferm Gogarth CYF | Machynlleth | 2025 |
| Fferm Ifan CIC | Betws-Y-Coed | 2016 |
| Fferm Llwyndewi Limited | Llangadog | 2024 |
| Fferm Pant Ltd | Tregaron | 1960 |
| Fferm TY Cerrig Limited | Caernarfon | 2023 |
| Fferm Ty'N Rhos Penarth CYF | Pwllheli | 2025 |
| Ffermio Metcalfe CYF | Porthmadog | 2025 |
| Ffgf Ltd | Carmarthenshire | 2017 |
| Fflam Frongoch Limited | Aberystwyth | 2005 |
| Ffolletts Nursery Limited | Chichester | 1987 |
| Fforest Edge Ltd | Carmarthen | 2024 |
| Fforest Farms(Pembrokeshire)Limited | Newport | 1954 |
| Fforest Kennels Limited | Rhondda Cynon Taff | 2003 |
| Fforest Land Limited | Cardigan | 2017 |
| Ffosyficer Farms Limited | Cardigan | 2005 |
| Ffosyficer Limited | Boncath | 2010 |
| Ffyddion CYF | Holywell | 2025 |
| Ffynnon AUR Farming Limited | Cardiff | 2013 |
| Ffynnon-Y-Cyff Holdings Limited | Mold | 2024 |
| Ffynnone Community Resilience C.I.C. | Cardigan | 2022 |
| Ffynonbrodyr Limited | Pembrokeshire | 2003 |
| FG Equestrian Training Ltd | Inverness | 2021 |
| FGF (Lincs) Limited | Sleaford | 2011 |
| FGH Dogs Ltd | Preston | 2024 |
| Fgmac Limited | London | 2022 |
| FGS Agri Limited | Ashford | 1993 |
| FHC Ecotec Limited | Aldershot | 2002 |
| Fhpm Limited | Nuneaton | 2007 |
| Fiadh Solas Ltd | Isle Of Colonsay | 2025 |
| Fiberway Source Ltd | London | 2025 |
| Fibra Crop Solutions Limited | Cheltenham | 2022 |
| Fiddleford Mushrooms Limited | Ely | 1997 |
| Fiden Enterprises Limited | Coleraine | 1998 |
| Fideoak Limited | London | 2021 |
| Fiducia Enterprises Limited | Faversham | 2016 |
| Field & Estate Limited | Berkeley | 2024 |
| Field & Farm Ltd. | Ardingly | 2016 |
| Field & Feather Ltd | Carlisle | 2025 |
| Field & Forest Limited | Swindon | 1998 |
| Field & Larder Catering Ltd | Leicester | 2024 |
| Field (Maidstone) Ltd | Maidstone | 2018 |
| Field 65 Ltd | Ely | 2023 |
| Field and Forest Land Management Limited | Waterlooville | 2019 |
| Field and Forest Machinery Limited | Broxburn | 2015 |
| Field and Forest Track Livery Ltd | Abergavenny | 2022 |
| Field and Marsh Limited | King'S Lynn | 2021 |
| Field Common Limited | London | 1951 |
| Field Farm Cross Country Limited | Colne | 2017 |
| Field Farm Limited | Salisbury | 2023 |
| Field Farm Stud (Wiltshire) Ltd. | Newbury | 2018 |
| Field Fixers Limited | Barnet | 2025 |
| Field Folk Ltd | Buckingham | 2026 |
| Field Force Farms Limited | Reading | 2015 |
| Field Good Flowers Ltd | Radstock | 2023 |
| Field Honey Limited | Wareham | 2026 |
| Field House Farm (Arable) Limited | Bridlington | 2025 |
| Field House Farm (Sewerby) Limited | Bridlington | 2006 |
| Field House Farm Ltd | Stoke-On-Trent | 2022 |
| Field House Farming Company Limited | Lincolnshire | 2001 |
| Field Ingenuity Ltd | Selby | 2024 |