| W B Prestige Properties Ltd | Real estate | 2021 |
| W Barton & Sons Limited | Wholesale & retail | 1993 |
| W D Yates Ltd | Arts & recreation | 2024 |
| W Hindmarch Logistic Services Limited | Transport & logistics | 2022 |
| W K M Professional Services Limited | Construction | 2017 |
| W Lever & Sons Limited | Real estate | 2017 |
| W M L Industrial Holdings Limited | Administrative & support | 1986 |
| W Mcmanus & SON Limited | Wholesale & retail | 2023 |
| W&B Investments Ltd | Real estate | 2022 |
| W&J Developments Limited | Construction | 2018 |
| W&J Prime Motor Cars Ltd | Wholesale & retail | 2024 |
| W&U Renovations Ltd | Real estate | 2021 |
| W. & J. Leigh Trustees Limited | Financial services | 1949 |
| W. C. Manning Ltd | Agriculture & fishing | 2023 |
| W. Corley Limited | Administrative & support | 2003 |
| W. Postlethwaite & SON Limited | Construction | 2011 |
| W.A. Hardman & Co. Limited | Real estate | 1994 |
| W.A. Law Ltd | Professional & scientific | 2018 |
| W.A.D, Transport Services Limited | Transport & logistics | 2025 |
| W.A.Hawkin and Sons,Limited | Wholesale & retail | 1929 |
| W.S.P Scaffolding Ltd | Construction | 2025 |
| W.T.M. Insulation Ltd | Construction | 2011 |
| W4REHOUSE Limited | Real estate | 2023 |
| WA Property Solutions Ltd | Real estate | 2024 |
| WA3 Community Zone Limited | Arts & recreation | 2022 |
| Waasp Limited | Wholesale & retail | 2020 |
| Waaw Limited | Wholesale & retail | 2021 |
| Wabtec Developments Limited | Manufacturing | 2013 |
| Waddicker Investments Limited | Financial services | 2021 |
| Waddicker Properties 2 Ltd | Real estate | 2017 |
| Waddicker Properties Ltd | Real estate | 2015 |
| Wade Auto Enterprise Ltd | Wholesale & retail | 2022 |
| Wade Motor Shop Ltd | Wholesale & retail | 2022 |
| Wadnoon Homes Ltd | Real estate | 2025 |
| Wadnoon Transport Ltd | Transport & logistics | 2021 |
| Waez Ltd | Wholesale & retail | 2023 |
| Waffelato Limited | Wholesale & retail | 2021 |
| Waggs Vends Ltd | Hospitality | 2023 |
| WAH Finishes Ltd | Construction | 2023 |
| WAH Leadership Services Ltd | Administrative & support | 2024 |
| Waha Lifestyle (UK) Ltd | Wholesale & retail | 2025 |
| Wahab BOL Ltd | Transport & logistics | 2022 |
| Wahla Enterprise Limited | Administrative & support | 2025 |
| Waimen Ltd | Information & communication | 2022 |
| Wainman Research Limited | Administrative & support | 2024 |
| Waita & Co Ltd | Wholesale & retail | 2021 |
| Waji Kebab House Ltd | Hospitality | 2026 |
| WAK Construction and Groundworks Ltd | Construction | 2026 |
| WAK Ltd | Real estate | 2024 |
| Waka Transport Ltd | Transport & logistics | 2014 |
| Wake Products Ltd | Wholesale & retail | 2022 |
| Wakefield Alternative Provision Partnership Ltd | Education | 2018 |
| Wakefield Youth Zone Ltd | Health & social care | 2026 |
| Wakeman Advisory Ltd | Professional & scientific | 2022 |
| Wakley Animation Limited | Arts & recreation | 2023 |
| Walax Ltd | Extraterritorial | 2024 |
| Walhalla Limited | Wholesale & retail | 2024 |
| Wali Fabrics Ltd | Wholesale & retail | 2025 |
| Walid Medics Ltd | Health & social care | 2023 |
| Walkden Metals Limited | Extraterritorial | 2017 |
| Walkden OIL Tools & Services Ltd | Wholesale & retail | 2025 |
| Walkden's Newsagents Limited | Wholesale & retail | 2003 |
| Walkdens Vehicle Services North West Ltd | Wholesale & retail | 2020 |
| Walker Kelly Limited | Financial services | 2016 |
| Walkers Building Consultants Ltd | Professional & scientific | 2010 |
| Walkers Landscapes Ltd | Administrative & support | 2023 |
| Walkicki Holdings Limited | Financial services | 2021 |
| Walkingwomen Limited | Administrative & support | 2009 |
| WALL2WALL Carpets and Flooring Limited | Water & waste | 2025 |
| WALL2WALL Group Limited | Wholesale & retail | 2025 |
| WALL2WALL O Limited | Wholesale & retail | 2025 |
| Wallace (Printers) Limited | Manufacturing | 1961 |
| Wallace Car Sales Limited | Wholesale & retail | 2017 |
| Wallace Lever & SON Limited | Wholesale & retail | 2019 |
| Wallace Motor Group Limited | Financial services | 2026 |
| Wallace Software Engineering Limited | Information & communication | 2023 |
| Wallace Tasty Bakes Limited | Manufacturing | 2025 |
| Wallcare Ltd | Professional & scientific | 2002 |
| Walls Investments Limited | Real estate | 2025 |
| Wallsofwisdom Ltd | Wholesale & retail | 2026 |
| Walmer Properties Limited | Real estate | 2021 |
| Walpole Commercial Decorating Limited | Construction | 2023 |
| Walsh & Wrigley Ltd | Real estate | 2024 |
| Walsh Financial Services Ltd | Financial services | 2016 |
| Walsh's of Bury Limited | Wholesale & retail | 2012 |
| Walsh`S Traditional Foods Limited | Wholesale & retail | 2004 |
| Walter Brothers Ltd | Professional & scientific | 2022 |
| Walter Consultants Ltd | Information & communication | 2025 |
| Walter Forshaw Holdings Limited | Professional & scientific | 1999 |
| Walters IT Limited | Information & communication | 2006 |
| Walton Vale Shop Ltd | Wholesale & retail | 2026 |
| Wanderers Sport in the Community CIC | Arts & recreation | 2021 |
| Waqas Riaz Limited | Health & social care | 2009 |
| Warboss Ltd | Wholesale & retail | 2025 |
| Warburton Tarmac Ltd | Financial services | 2025 |
| Warburtons 1876 Limited | Professional & scientific | 2013 |
| Warburtons Asset Management Limited | Extraterritorial | 2007 |
| Warburtons Holdings Limited | Financial services | 2008 |
| Warburtons Limited | Manufacturing | 1921 |
| Wardiii Ltd | Information & communication | 2026 |