| White Knight Services Ltd | Reading | 2020 |
| White Lodge Stud Ltd | Bishop'S Stortford | 2023 |
| White OX Penrith Ltd | Penrith | 2024 |
| White Park Cattle Society Limited | Norwich | 2006 |
| White PIT Agriculture Limited | Taunton | 2000 |
| White Rose Agriculture Limited | Northallerton | 1998 |
| White Rose Farms Limited | Hessle | 2017 |
| White Rose Tree Care Ltd | Halifax | 2024 |
| White Sheet Farmers Limited | Warminster | 1978 |
| White Swan Farm Eggs Ltd | Lincoln | 2022 |
| White Syke Farm Ltd | York | 2014 |
| White Water Shellfish Ltd | Teignmouth | 2024 |
| White Williams Family Holdings Limited | Four Elms | 2016 |
| White Williams Farms Limited | Edenbridge | 2017 |
| White Wood Management & Associates Limited | Okehampton | 2018 |
| Whitebarn Farm Limited | Manchester | 1970 |
| Whitebeck Ltd | London | 2023 |
| Whitebridge Farm Limited | Thetford | 2014 |
| Whitebridge Services Ltd | Omagh | 2025 |
| Whitecairn Farm Limited | Lockerbie | 2015 |
| Whitecairns Estates Limited | Ellon | 1947 |
| Whitecross Farms Limited | Taunton | 2013 |
| Whiteface Farm Holdings Ltd | Guisbrough | 2025 |
| Whitegate Land Rentals Ltd | Northwich | 2026 |
| Whitegates Farm Ltd | Bushmills | 2026 |
| Whitegates Nursery Limited | North Yorkshire | 2003 |
| Whitehall Derwent Limited | Malton | 2005 |
| Whitehall Estate Park Farm Ltd | Hull | 2025 |
| Whitehall Farm (Wessex) Ltd | Chippenham | 2024 |
| Whitehall Farm Limited | Bristol | 2017 |
| Whitehall Farms (Hampton Bishop) Ltd | Hereford | 2025 |
| Whitehall Feeds Ltd | Bradford | 2023 |
| Whitehall Property Services Limited | Exning | 2005 |
| Whitehaugh Farms Limited | Inverurie | 2025 |
| Whitehaven Fishermens Co-Operative Limited | Whitehaven | 2011 |
| Whitehead Farm Ltd | Essex | 2002 |
| Whitehead Farming Services Limited | Retford | 2024 |
| Whitehead Farrier Services Ltd | Loughborough | 2025 |
| Whitehill Holdings Limited | Turriff | 1989 |
| Whitehill House Limited | Newry | 2014 |
| Whitehill Storage Company Limited | Turriff | 1988 |
| Whitehillfoot Ltd | Kelso | 2024 |
| Whitehills Estates Limited | Glasgow | 2013 |
| Whiteholmes Apiaries Ltd | Matlock | 2020 |
| Whitehorn Farms Limited | Salisbury | 2017 |
| Whitehouse Agriculture Limited | Abergavenny | 2021 |
| Whitehouse Farm (Hardway) Limited | Salisbury | 2012 |
| Whitehouse Farm Vineyard Ltd | Stourport-On-Severn | 2022 |
| Whitehouse Fish Farm Limited | Mansfield | 2008 |
| Whiteisland Nursery Limited | Dungannon | 2024 |
| Whitelaw Agriculture Ltd | Ashbourne | 2024 |
| Whiteleaf Equestrian & Agricultural Centres Community Interest Company | Sittingbourne | 2011 |
| Whitelee Poultry Farm Limited | Stewarton | 2015 |
| Whitelough Poultry Farms Ltd | Aughnacloy | 2023 |
| Whitepark Farms Limited | Enniskillen | 2007 |
| Whitepoint Capital Limited | Aberdeen | 2019 |
| Whites Livestock Ltd | Maghera | 2018 |
| Whites of Windsor Ltd | Bourne End | 2009 |
| Whiteshore Cockles Ltd | Stornoway | 2010 |
| Whitesnowcrystal Limited | Caithness | 2003 |
| Whitestem Ltd | Dorchester | 2026 |
| Whitestone Pet Services Ltd | Norwich | 2022 |
| Whitevane Fisheries Limited | Cranleigh | 2009 |
| Whitewater Potatoes Limited | Hampshire | 1987 |
| Whiteway Livestock Limited | Bristol | 2024 |
| Whitewolfe Vineyard Ltd | Tunbridge Wells | 2019 |
| Whitewood Fencing Contractors Ltd | Whitchurch | 2026 |
| Whitfield Dairy Farm Limited | Oldham | 2000 |
| Whitfield Farms Limited | Hexham | 2012 |
| Whitford & Sons Farming Ltd | Wantage | 2025 |
| Whithorn Estate Ltd | Godalming | 2015 |
| Whithurst Park Farms Ltd | Henfield | 1973 |
| Whiting ASH Farms Limited | Nr Malvern, | 1963 |
| Whitley Bay Pet Boarding Limited | Whitley Bay | 2024 |
| Whitley Brook New Farm Ltd | Liverpool | 2025 |
| Whitley Farms Limited | Oxon | 1952 |
| Whitleys Agriculture and Livestock Services Ltd | Immingham | 2024 |
| Whitmore Estate Limited | Hoddesdon | 2015 |
| Whitmore Farm & Sporting Ltd | Fleetwood | 2022 |
| Whitmuir Farm Ltd | West Linton | 2022 |
| Whitnall Livestock Ltd | King'S Lynn | 2023 |
| Whits END Limited | Radstock | 2024 |
| Whitsbury Farm & Stud Limited | Whitsbury | 1977 |
| Whitsbury Manor Stud Limited | Fordingbridge | 2023 |
| Whitson Bloodstock Limited | Stratford Upon Avon | 2000 |
| Whitstone Farm Limited | Umberleigh | 2006 |
| Whitstone House Limited | Newquay | 1979 |
| Whitsunbrook Stables Limited | Pershore | 1995 |
| Whittaker Developments Limited | Wilmslow | 2022 |
| Whittakers Eggs Ltd | Bromsgrove | 2016 |
| Whittal Poultry Limited | Hereford | 2018 |
| Whittal Seeds Limited | Hereford | 2007 |
| Whittall Farms Limited | Hereford | 2025 |
| Whittern Farms Limited(The) | Kington | 1952 |
| Whittingham Farm Services Ltd | Preston | 2018 |
| Whittington Stables Limited | Ibstock | 2024 |
| Whittons Snarford Farms Limited | Bury St Edmunds | 1942 |
| Whitwell Hall Farms Limited | Norwich | 1952 |
| WHM Investments Limited | Gateshead | 2023 |
| WHO Lets the Dog OUT Limited | Westerham | 2012 |