| Whalley Corn Mills Ltd. | Lancashire | 2003 |
| Wham Hill Farm Ltd | Oldham | 2020 |
| Whannock Marine Research Ltd. | Holyhead | 2006 |
| Wharf Farm Limited | Alfreton | 2004 |
| Wharf Lane Track Livery Ltd | Milton Keynes | 2026 |
| Wharf Pool Fishery Ltd | Southend-On-Sea | 2022 |
| Wharfe Automotive Limited | Holmes Chapel | 2016 |
| Wharfedale Farmers'Auction Mart Limited | Otley | 1893 |
| Wharfedale Wildlife Services Ltd | Skipton | 2026 |
| Wharmton Farming Limited | Manchester | 2022 |
| Wharton Farms Ltd | Leominster | 2005 |
| Whartons Nurseries Limited | Diss | 1947 |
| What 3 Woods Limited | Matlock | 2023 |
| What a Garden Ltd | Ashford | 2025 |
| What the Farm Ltd | Chichester | 2023 |
| What the HAY! PJM Ltd | Rye | 2025 |
| Whatton Estate Shoot Ltd | Loughborough | 2010 |
| Whatton Fields Limited | Nottingham Business Park | 2019 |
| WHC LAB Limited | County Tyrone | 2021 |
| Wheat (Eco) Ltd | Derby | 2021 |
| Wheatham Farm Limited | Liss | 1996 |
| Wheathill Ltd | Wellington | 2012 |
| Wheatland Cropcare Ltd | Bridgnorth | 2022 |
| Wheatland Farms Limited | Hereford | 2008 |
| Wheatley Agricultural Limited | Birmingham | 2026 |
| Wheatley Devon Agri Ltd | Seaton | 2024 |
| Wheatley Hill NO2 Poultry Allotments Ltd | Wheatley Hill | 2018 |
| Wheatley Hydroponics Ltd | Ringwood | 2012 |
| Wheaton Hill Stables Ltd | Bedford | 2019 |
| Wheatsheaf North Rode Limited | Congleton | 2013 |
| Wheelhouse Mineral & Feeds Ltd | Rotherham | 2013 |
| Wheeliegoodfirewood Ltd | Maidenhead | 2021 |
| Wheelin' Wood Limited | Menston | 2019 |
| Wheelsgate Farms Limited | Faversham | 2010 |
| Wheelton Farming Limited | Swadlincote | 2011 |
| Wheelton Farms Limited | Cheshire | 2004 |
| Whelan Farms Limited | Maidenhead | 1980 |
| Wheldon's Fruit Farm Limited | Suffolk | 2007 |
| Wheldons Nurseries Ltd | East Yorkshire | 2002 |
| Whelford Pools Fisheries Ltd | Swindon | 2018 |
| Whelpivet Ltd | Dereham | 2022 |
| Wherwell Farms Limited | Andover | 1973 |
| WHH Produce & Firewood Ltd | Malvern | 2023 |
| Which Garden Plants Ltd | Ripley | 2024 |
| Whicham Woodland Limited | Millom | 2024 |
| Whin Hill Farming | Northallerton | 2011 |
| Whinfield Game Farm Limited | Woodbridge | 2012 |
| Whinless Bank Farm Limited | Dover | 2020 |
| Whinnow Farming Company | Carlisle | 2018 |
| Whipley Manor Farm Limited | Guildford | 1939 |
| Whirlow Hall Farm Trust Limited | Sheffield | 1979 |
| Whiskers and Paws Petcare Ltd | Huntingdon | 2024 |
| Whiskers Cat Care - Warwick Ltd | Warwick | 2025 |
| Whisky Mike (Aviation) Ltd. | Aberdeen | 1994 |
| Whispering Reeds Boats Limited | | 1962 |
| Whispering Vines Ltd | Crawley | 2026 |
| Whispers Therapeutic Services CIC | Neath | 2024 |
| Whisperwood Group Ltd | Lutterworth | 2019 |
| Whissendine Farms Limited | Leicester | 2020 |
| Whistley Canine Country Club Limited | Potterne | 2017 |
| Whiston Hall Farm Ltd | Wolverhampton | 2025 |
| Whitakers Turf Supplies Limited | Huddersfield | 2000 |
| Whitbread Farms Limited | Bedfordshire | 1985 |
| Whitburgh Limited | Fraserburgh | 2018 |
| Whitburn Animal Health Ltd | Sunderland | 2023 |
| Whitby Partnership Limited | Wexham | 2003 |
| Whitby Sea Weed Ltd | Colne | 2020 |
| Whitby's Family Farm Limited | Slough | 2021 |
| Whitchester Farm Limited | Hexham | 1975 |
| Whitcombe Farm Limited | Yeovil | 2006 |
| Whitcott Farm Free Range Eggs Limited | South Molton | 2026 |
| White & Wright Ltd | Sudbury | 2020 |
| White (Eco) Ltd | Derby | 2021 |
| White Acres Farm Ltd | Leeds | 2026 |
| White and Partners Limited | Leiston | 2006 |
| White Bird Consulting Ltd | Doncaster | 2014 |
| White Chimney Woodland Products Limited | Cranbrook | 2012 |
| White Coppice Farming and Fisheries Limited | Anglezarke | 2018 |
| White Cottage Farms Limited | Diss | 2009 |
| White Dial Farm (Burscough) Limited | Ormskirk | 2024 |
| White Direct Transport Ltd | Carmarthen | 2017 |
| White Farming Ltd. | Waterlooville | 1997 |
| White Gates Puppy Palace Limited | Spalding | 2018 |
| White Hall Farm (Woodhall) Limited | Woodhall Spa | 2018 |
| White Hart Forestry Ltd | Abergavenny | 2021 |
| White Hill Equestrian Ltd | Simonstone | 2023 |
| White Horse (Barnby Moor) Limited | Retford | 2008 |
| White Horse Bloodstock Ltd | London | 2024 |
| White Horse Cattery Ltd | Faringdon | 2026 |
| White Horse Contracting Ltd | Salisbury | 2010 |
| White Horse Farm Equestrian Centre Limited | Sidcup | 2013 |
| White Horse Groups Ltd | Hungerford | 2025 |
| White Horse Stables Limited | Farnham | 2021 |
| White House Farm (Great Glemham) Limited | Saxmundham | 2022 |
| White House Farm Feedstock Limited | Skegness | 2015 |
| White House Farm Preston Wynne Limited | Hereford | 2008 |
| White House Farm Produce Ltd | Bampton | 2021 |
| White House Farm Shop and Dairy Ltd | Skegness | 2024 |
| White Hurworth Eco Farm Ltd | Hartlepool | 2024 |
| White Jasmine Ltd | Salisbury | 2026 |