| Wainwright Forestry Limited | Beverley | 2008 |
| Wainwright Sport Horses Ltd | Nottingham | 2021 |
| Wainwright Timber Ltd | Knutsford | 2015 |
| Waite Arboriculture and Forestry Limited | Coventry | 2022 |
| Waji Cornwall Limited | Helston | 2025 |
| Wake UP! Fishing Ltd | Basingstoke | 2005 |
| Wakefield Farming Limited | Diss | 2011 |
| Wakefield Farms Limited | Northants | 1983 |
| Wakeham Farms Limited | Alresford | 2023 |
| Wakeham's Farm Limited | Heathfield | 1955 |
| Wakeley Brothers(Rainham,Kent),Limited | Birchington | 1897 |
| Wakeley Tree Surgeons Limited | Elgin | 2015 |
| Wakelyns VEG Community Interest Company | Eye | 2025 |
| Wakibia & Co Farm Limited | Edinburgh | 2023 |
| Wakman Golden UK Ltd | Holmfirth | 2024 |
| Walbank Holdings Limited | Keighley | 2005 |
| Walberton Plants Limited | Walberton | 1987 |
| Walcot Organic Nursery Limited | Pershore | 2000 |
| Walcott Potatoes Limited | Sleaford | 2002 |
| Waldegrave Farms Limited | Wells | 1978 |
| Waldegraves Farm Limited | Colchester | 2001 |
| Walden Nurseries Ltd | Hitchin | 2025 |
| Waldens Wildings Ltd | Saffron Walden | 2024 |
| Walders LOW Farm Ltd | Sheffield | 2021 |
| Waldersey Farms Limited | Downham Market | 1980 |
| Wales (Eastgate) Farms Limited | Kings Lynn | 1959 |
| Wales and West Coast Fish Producers Organisation Limited | Milford Haven | 1992 |
| Wales Heritage Orchards Ltd | Denbigh | 2021 |
| Walk & Train Edinburgh Limited | Nottingham | 2021 |
| Walk Farm Eggs Limited | Scarborough | 2007 |
| Walk Farm Rearing Ltd | Scarborough | 2026 |
| Walk in the Light Ltd | Luton | 2018 |
| Walker Dairying Limited | Closeburn | 2022 |
| Walker Farms Ltd | Ashbourne | 2008 |
| Walker Forestry Services Ltd | Leamington Spa | 2014 |
| Walker's Logs Limited | Cheltenham | 2010 |
| Walkerbrie Livestock Services Ltd | Tarleton | 2015 |
| Walkerrs Ltd | Maidstone | 2026 |
| Walkers Contracting Ltd | Redditch | 2022 |
| Walkeze Doggy Daycare Limited | Stockport | 2019 |
| Walkhamwood Poultry Limited | Bridgnorth | 2017 |
| Walkies (Blackpool) Ltd | Blackpool | 2014 |
| Walkinshaw Farms Limited | Renfrew | 2012 |
| Walks & Wags Ltd | Stockton-On-Tees | 2018 |
| Walks 4 UR Dog Limited | Brentford | 2018 |
| Walks in the Wild Ltd | London | 2026 |
| Wall END Farms Limited | Canterbury | 1987 |
| Wallace Bebb Farms Limited | Montgomeryshire | 1972 |
| Wallace Daniels Limited | Bury St. Edmunds | 2008 |
| Wallace Eildon Trading Limited | Liverpool | 2015 |
| Wallace Farming Ltd. | Glasgow | 2020 |
| Wallace Farms Limited | Near Hitchin | 1963 |
| Wallace Greenwood & Sons Limited | Southport | 1959 |
| Wallace Timber Services Ltd | Liphook | 2018 |
| Wallace Treecare Ltd. | Kilmarnock | 2009 |
| Wallaston Farm Limited | Crymych | 2018 |
| Wallbank Farms Limited | Penrith | 2007 |
| Wallcrest Limited | Wells | 2011 |
| Wallhouse Gardens Ltd | Wishaw | 2025 |
| Wallhouses Farming Limited | Corbridge | 2020 |
| Wallia Glyndwr Limited | Bridgend | 2021 |
| Walling Limited | Lancashire | 2004 |
| Wallingfen Game Farm Limited | Brough | 2013 |
| Wallings Nursery Limited | Colchester | 1999 |
| Wallis (UK) Limited | Abingdon | 1993 |
| Wallis Farms Limited | Abingdon | 1988 |
| Wallis South Africa Limited | Abingdon | 1988 |
| Wallis Support Services Limited | Hull | 2025 |
| Walls in the Woods Limited | New Malden | 2022 |
| WALLS4PAWS Limited | Derby | 2012 |
| Wallum Farms (North) Limited | Doncaster | 2008 |
| Wallum Farms Limited | Essex | 1952 |
| Wally's Farm (Crick) Ltd | Leicester | 2024 |
| Walmsgate Estate Limited | Louth | 2017 |
| Walmsley Scarah Ltd | Harrogate | 2024 |
| Walmsley Tree Contractors Ltd | Clitheroe | 2020 |
| Walmsleys Agriculture Limited | Skipton | 2016 |
| Walnes Farms Ltd | Ipswich | 2024 |
| Walnut Equestrian Limited | Old Teversal Village | 2024 |
| Walnut Tree Shoot Limited | Hitchin | 2021 |
| Walronds Park Limited | Ilminster | 1960 |
| Walrus Apiaries Ltd | Stockport | 2023 |
| Walrus Fisheries Limited | Ilfracombe | 2012 |
| Walsall Conservation Volunteers CIC | Aldridge | 2025 |
| Walsall Tree & Garden Services Ltd | Walsall | 2020 |
| Walsh Agri & Groundworks Ltd | Newry | 2023 |
| Walsh Marine Services Limited | Grimsby | 2018 |
| Walsingham Estate Farming Limited | Walsingham | 2011 |
| Walston Holdings Limited | Blandford Forum | 1953 |
| Walter Maidment Limited | Wiltshire | 1970 |
| Walter Pearson & Sons (Farms) Limited | Boston | 1968 |
| Walter Price & Sons Limited | Neath | 1960 |
| Walter Smith (Farms) Limited | London | 1938 |
| Walter Smith (Gosberton) Limited | Spalding | 1954 |
| Walter Swinburn Limited | Newmarket | 1982 |
| Walter T. Ware Limited | Hertford | 2014 |
| Walters Equine Limited | Sandbach | 2013 |
| Walters Turkeys Limited | Reading | 2003 |
| Waltfield Limited | Wolverhampton | 2019 |
| Walton Contracting Ltd | Bridgend | 2023 |