| World Record Certification Limited | Coventry | 2016 |
| World Tamils Historical Society | Wembley | 2015 |
| Worldsupreme (Charolais) Limited | Retford | 1998 |
| Worldwide Import & Export Ltd | London | 2026 |
| Worldwide Local Salads Ltd | Hull | 2020 |
| Worldwild CIC | Canterbury | 2019 |
| Worlingham Woodlands Limited | Saxmundham | 2018 |
| Worlington Farms Limited | Milton Keynes | 1958 |
| Worlingworth Hall Farm Ltd | Woodbridge | 2019 |
| Worlingworth Hall Livery Ltd | Woodbridge | 2020 |
| Wormald Farms Limited | Dunmow | 2020 |
| Wormanby Farms Limited | Carlisle | 2016 |
| Wormingford Hall Estate Limited | Colchester | 1977 |
| Wormington Farming Limited | Bromsgrove | 2024 |
| Wormsley Estate Limited | High Wycombe | 1984 |
| Worsall Manor Farms Limited | Yarm-On-Tees | 1965 |
| Worstead Farms Limited | Norfolk | 1952 |
| Wort Hill Forestry Co. Limited | London | 2007 |
| Wort Woodlands Ltd | Bridgwater | 2025 |
| Worth Farms Limited | Spalding | 2002 |
| Worth Farms Produce Limited | Spalding | 2016 |
| Worth Partners Limited | Macclesfield | 2020 |
| Worthington's Farm Ltd | Southport | 2017 |
| Worthy Business Holdings Limited | Chepstow | 2019 |
| Wortley Game Ltd | Sheffield | 2014 |
| Worton Farms Limited | Oxon | 1992 |
| Worton Organics Limited | Cassington | 2019 |
| Worx Utilities Limited | Rochdale | 2011 |
| Wot-A-Hen Limited | York | 2015 |
| Wot-An-Egg 2020 Ltd | York | 2019 |
| Wot-An-Egg Limited | York | 1987 |
| WOT2GROW Community Orchard C.I.C. | Warwick | 2010 |
| Wotton Farms Limited | Dorking | 2009 |
| Woven Project Solutions Ltd | London | 2020 |
| WP & H Laird & Sons Unlimited | Lincoln | 2005 |
| WP & J Jenkin Limited | Truro | 2008 |
| WP Sporthorses Ltd | Horsham | 2020 |
| WP Wreathall Ltd | Bridlington | 2009 |
| WPF Alderholt Limited | Salisbury | 2004 |
| WPR Farms Ltd | Bedlington | 2016 |
| WR Bennett Group Ltd | Reading | 1955 |
| WR Lawson Ltd. | Blackburn | 2009 |
| WR Moore & Sons Ltd | Bideford | 2012 |
| Wrackleford Farms Limited | Dorchester | 1961 |
| Wraggsters Limited | Whitchurch | 2024 |
| WRAP63 Limited | Lerwick | 2024 |
| Wrca World Records Certification Limited | London | 2022 |
| Wrcac World Records Certification Limited | London | 2026 |
| WRD Horse Services Limited | Dalry | 2026 |
| Wreade and SON Limited | Leatherhead | 2011 |
| Wreaton Farm Ltd | Aboyne | 2021 |
| Wreighill Limited | Berwick-Upon-Tweed | 2014 |
| Wrekin Contracting Ltd | Newport | 2025 |
| Wrekin Turf Growers Limited | Shropshire | 1999 |
| Wrekin Wild Game Ltd | Newport | 2025 |
| Wrekinridge Ltd | Wordsley Stourbridge | 2004 |
| Wren Davis Limited | Gt. Missenden, | 1953 |
| Wren Hall Limited | Selby | 2023 |
| Wrenbury Hall Woods Limited | Nantwich | 2008 |
| Wrendale Farms Limited | Brigg | 2017 |
| Wrens Contracting Limited | North Yorkshire | 2002 |
| Wrentham Christmas Trees Ltd | Great Blakenham | 2025 |
| Wrexham Developments Limited | Wrexham | 1987 |
| Wright & Bird Limited | Maidencombe | 1961 |
| Wright Agri Limited | Nr Knutsford | 2009 |
| Wright at Height Access Solutions Limited | Dudley | 2015 |
| Wright Eggs Limited | Spilsby | 2016 |
| Wright Farm Produce Limited | Preston | 2008 |
| Wright Life Ltd | Keston | 2024 |
| Wright Roots Limited | Stafford | 2020 |
| Wright's Agriculture Limited | Melton Mowbray | 2021 |
| Wright's Farms(Middleton)Limited | Sudbury | 1952 |
| Wright's Poultry Limited | Augher | 2013 |
| Wrightkind Consultancy Limited | Leamington Spa | 2025 |
| Wrightkind Livestock Limited | Leamington Spa | 2025 |
| Wrights Farm Contracts Limited | Witham | 1983 |
| Wrights Farming Partnership Limited | Leamington Spa | 2016 |
| Wrights Forestry Services Limited | Crook | 2024 |
| Wrights Produce Limited | Norfolk | 2005 |
| Wrinkle Bullz Limited | Hockley | 2021 |
| Wrinkle Stars Ltd | Reading | 2021 |
| Writtle Forest Consultancy Ltd | Ingatestone | 2015 |
| Writtle Forest Limited | Ingatestone | 2006 |
| WRM Agri Ltd | Ipswich | 2016 |
| WRM Biomass Ltd | Ipswich | 2019 |
| Wronko Land Limited | Manchester | 2017 |
| Wroxeter Roman Vineyard Ltd | Wroxeter | 2011 |
| WRS Agronomy Limited | Ryde | 2012 |
| WRS Environmental Limited | Burntwood | 2024 |
| WRS Livestock Ltd | Shrewsbury | 2025 |
| WRS Tree Services Limited | Nottingham | 2012 |
| WRS Woolacombe Limited | Woolacombe | 2024 |
| WS Gabb Limited | Chipping Campden | 2013 |
| WS Livingstone & Sons Ltd | Armagh | 2020 |
| WS Sales Agency Limited | Tamworth | 2026 |
| WS Thai Food Products Limited | Croydon | 2016 |
| WSA Horse Bedding Limited | Bath | 2017 |
| WSH Services Limited | Leeds | 2007 |
| WTC Farms Limited | Preston | 1993 |
| Wudland Solutions Ltd | Crook | 2025 |