| Wild Wags (SK) Ltd | Stockport | 2024 |
| Wild Wanderings Limited | High Peak | 2025 |
| Wild Water Ventures Limited | Derby | 2024 |
| Wild Waters Farm Ltd | St. Columb | 2024 |
| Wild Wiggle Limited | Herne Hill | 2025 |
| Wild Wood Maintenance Ltd | Mountain Ash | 2025 |
| Wildacre Trading Limited | Pwllheli | 2012 |
| Wildair (Tree Maintenance) Limited | Darlington | 2015 |
| Wildarran Ltd | Blackwaterfoot | 2021 |
| Wildblood Farm Ltd. | Hexham | 2025 |
| Wildbloom Academy Ltd | Wrexham | 2023 |
| Wildcat Custom Rifles Limited | Worcestershire | 2007 |
| Wildcroft Limited | Guildford | 2015 |
| Wilde Business Solutions Ltd | Forest Row | 2009 |
| Wilde Fish (NI) Limited | Belfast | 2025 |
| Wilde Paws Ltd | Chorley | 2026 |
| Wilde Trout Ltd | Hurstbourne Tarrant | 2025 |
| Wilde Wycher Broc Ltd | Chippenham | 2022 |
| Wilden Croft Limited | Turriff | 2026 |
| Wilder Pentwyn Produce Limited | Llandrindod Wells | 2023 |
| Wilderculture CIC | Coniston | 2017 |
| Wilderlands CIC | Polegate | 2023 |
| Wilderley Hall Farms Limited | Shrewsbury | 1993 |
| Wilderness Natural Ltd | Gloucester | 2023 |
| Wilderness Pursuits Sporting Ltd. | Gargunnock | 2025 |
| Wildflower Collective CIC | Truro | 2021 |
| Wildflower Hedgehog Rescue Limited | Mansfield | 2025 |
| Wildflower Honey Ltd | St. Leonards-On-Sea | 2025 |
| Wildhorus Limited | Maidstone | 2000 |
| Wilding Network C.I.C. | Bordon | 2021 |
| Wildish Environmental Ltd | London | 2025 |
| Wildlife Canny Solutions CIC | Grantown-On-Spey | 2023 |
| Wildlife Control Services Limited | Berkshire | 1995 |
| Wildlife Custodians International Group Limited | Cheltenham | 2025 |
| Wildlife Friendly Plants Limited | Lancaster | 2017 |
| Wildlife Management Limited | Moulsford | 2006 |
| Wildlife SOS | London | 2008 |
| Wildlife Woodlands Ltd | Callington | 2005 |
| Wildlife.Farm Ltd | Braintree | 2025 |
| Wildlifeco Limited | Minehead | 2013 |
| Wildmore Farms | Boston | 1964 |
| Wildrest Hollow CIC | Birmingham | 2025 |
| Wildside Exotic Rescue C.I.C. | Ross On Wye | 2024 |
| Wildstead BNG SPV Ltd | Bristol | 2026 |
| Wildtrip Ltd | Hatton | 2021 |
| Wildwine Ltd | London | 2019 |
| Wildwood Arborists Ltd | Weymouth | 2025 |
| Wildwood Canopy Ltd | Derby | 2026 |
| Wildwood Croft Ltd | Isle Of Arran | 2022 |
| Wildwood Timber Ltd | Honiton | 2019 |
| Wildwood Tree Services Ltd | Guisborough | 2023 |
| Wildwood Vineyard Ltd | London | 2014 |
| Wildwoods & Forestry Ltd | Dumfries | 2022 |
| Wildwoods Arboriculture Wales Ltd | Ammanford | 2022 |
| Wilfred Maddocks Limited | Salop | 1957 |
| Wilfred Robinson (Brigg) Limited | Tyne & Wear | 1954 |
| Wilfred Robinson (Pyewipe) Limited | Northampton | 2000 |
| Wilgerbosdrift (UK) Limited | London | 2004 |
| Wiljan Estates Limited | Billingshurst | 1943 |
| Wilkin & Sons Limited | Tiptree | 1888 |
| Wilkins-It Ltd | Wantage | 2011 |
| Wilkinsons Agri-Services Limited | England | 2017 |
| Will Barnes Agri Ltd | Taunton | 2023 |
| Will Jones Limited | Mexborough | 2015 |
| Will Mann Enterprises Limited | Lechlade | 2011 |
| Will Semple Agri Contracting Ltd | Kenilworth | 2025 |
| Will the Tree MAN Ltd | Spalding | 2021 |
| Will Urquhart Ltd | Bideford | 2006 |
| Will Villars Agricultural Services Limited | Harrogate | 2024 |
| Willa Newton Eventing Limited | Melton Mowbray | 2023 |
| Willand Group Ltd | Plymouth | 2016 |
| Willanna Limited | Grimsby | 2011 |
| Willaston Community Farm CIC | Willaston | 2020 |
| Willerby Wold Piggeries Limited | Scarborough | 1964 |
| Willes Farming Limited | Taunton | 2001 |
| Willi's Global Security Ltd | Ruislip, | 2025 |
| William & David Parke Ltd | Castlewellan | 2024 |
| William A.Wardman Limited | Redcar | 1964 |
| William Alexander (Shoreham) Limited | Sevenoaks | 1986 |
| William Allison (Farms) Limited | Essex | 1953 |
| William Anderson Farmers Limited | Bedale | 1957 |
| William Annett Limited | Ballyutoag | 1980 |
| William Bamber & Sons Limited | Ormskirk | 2003 |
| William Beattie (Farmers) Limited | Dundee | 1966 |
| William Bridge,Limited | York | 1927 |
| William Chaplin Limited | Tonbridge | 1959 |
| William Clarke (Livestock) Limited | Norwich | 2011 |
| William Cooke & SON (Farmers) Limited | Rye | 1950 |
| William Corbett Farms Limited | Twycross, Atherstone | 1964 |
| William Cullen (Farms) Limited | Harwich | 1972 |
| William Darby Limited | Stroud | 2005 |
| William Dunn & SON Ltd | Strabane | 2023 |
| William Ellis & Sons Ltd | Redruth | 2020 |
| William F.Moore(Warplands)Limited | Scunthorpe | 1948 |
| William Farms Ltd | Nottingham | 2024 |
| William Garner's Farms,Limited | Stockport, | 1942 |
| William Gaymer (Booton) Limited | Norwich | 1960 |
| William Gilmore Limited | Ballymoney | 2025 |
| William Gosney Limited | Sheffield | 1965 |
| William Halliday & Sons Limited | Lockerbie | 2026 |