| Walmer Lodge LLP | | 2010 |
| Walsh Enterprises Group Limited | Professional & scientific | 2016 |
| Walsh Transport & Storage Limited | Transport & logistics | 2003 |
| Walton on Trent Management Company Limited | Real estate | 2026 |
| Waltons and Company Group Limited | Hospitality | 2012 |
| Want AD Limited | Information & communication | 2018 |
| Wanza Records Limited | Arts & recreation | 2025 |
| Ward & Fearn (Ripley) Ltd | Manufacturing | 2021 |
| Wards Property Developments (Yorkshire) Limited | Construction | 2025 |
| Warley Preschool Limited | Education | 2015 |
| Warmery Ltd | Wholesale & retail | 2024 |
| Warrior Weld Ltd | Manufacturing | 2021 |
| Warwick Tumility Ltd | Wholesale & retail | 2025 |
| Waseem G Utilities Ltd | Professional & scientific | 2026 |
| Water JET UK Limited | Construction | 2007 |
| Water Loss Research & Analysis Ltd | Information & communication | 2010 |
| Water Rooms Installations Ltd | Construction | 2024 |
| Water Rooms Ltd | Wholesale & retail | 2024 |
| Water Rooms Planning & Design Ltd | Construction | 2024 |
| Waterhouse and Mackintosh Trustee Limited | Other services | 2024 |
| Waterloo House Day Nursery Limited | Education | 2004 |
| Waters Electrical Services Ltd | Construction | 2017 |
| Watersedge Court (Shaw) Company Ltd | Real estate | 2005 |
| Waterside Beauty Products Ltd | Other services | 2023 |
| Waterside Close RTM Company Limited | Real estate | 2026 |
| Waterside View (Halifax) Ltd | Real estate | 2024 |
| Watkins International Limited | Wholesale & retail | 2007 |
| Watkins Place Management Company Limited | Households | 2021 |
| Watt's UP Electric Limited | Construction | 2025 |
| Waveney Swale Ltd | Wholesale & retail | 2024 |
| Waverley Consultancy Limited | Professional & scientific | 2013 |
| Waverley Green Rotherham Management Company Limited | Households | 2025 |
| Wayfinder Calderdale CIC | Health & social care | 2023 |
| Wayne Ltd | Transport & logistics | 2025 |
| WCS Window Cleaners Limited | Administrative & support | 2010 |
| WE ARE the Tribe Limited | Professional & scientific | 2023 |
| WE Build Developments (Yorkshire) Ltd | Construction | 2025 |
| WE Builders Group Limited | Construction | 2023 |
| WE Care Calderdale Ltd | Health & social care | 2026 |
| WE DO Brands Ltd | Wholesale & retail | 2023 |
| WE DO Eco Ltd | Professional & scientific | 2025 |
| WE Love Desserts Ltd | Hospitality | 2026 |
| WE Love DLP Ltd | Wholesale & retail | 2013 |
| WE Manage Properties Ltd | Real estate | 2022 |
| WE Smart Repair Limited | Wholesale & retail | 2020 |
| Weatherhill Contractors Limited | Other services | 2017 |
| Weave (Yorkshire) Limited | Extraterritorial | 2019 |
| Web Briefcase Limited | Information & communication | 2005 |
| Web Electrical Limited | Construction | 2025 |
| Webin Ltd | Information & communication | 2026 |
| Webstyle Limited | Wholesale & retail | 2020 |
| Webuild Masonry Limited | Construction | 2021 |
| Wedeybuild Ltd | Wholesale & retail | 2019 |
| Weidenhammer UK Limited | Extraterritorial | 1999 |
| Welbeck Gardens Bolsover Management Company Limited | Households | 2025 |
| Welford Family Law Limited | Professional & scientific | 2015 |
| Welford Law Limited | Professional & scientific | 2014 |
| Well Hung Curtains Limited | Wholesale & retail | 2008 |
| Wellbeing MC Ltd | Health & social care | 2025 |
| Wellboost Nutrition Ltd | Wholesale & retail | 2022 |
| Wellcome MV Limited | Wholesale & retail | 2025 |
| Wellcroft Gardens Management Company Limited | Households | 2003 |
| Wellgarth Consultancy Limited | Financial services | 2011 |
| Wellgood.Io Ltd | Information & communication | 2019 |
| Wendy LEE Limited | Education | 2014 |
| Wendyhouse (Property) Ltd | Real estate | 2017 |
| Wentworth Willis Limited | Real estate | 2011 |
| WES Holdings Ltd | Real estate | 2025 |
| West Coast & Sons Ltd | Wholesale & retail | 2026 |
| West Coast Brothers Ltd | Wholesale & retail | 2024 |
| West Coast EXP Ltd | Wholesale & retail | 2023 |
| West END Golf Club(Halifax)Limited.(The) | Arts & recreation | 1913 |
| West END Homes (Halifax) Limited | Other services | 2006 |
| West END Joiners & Builders Limited | Construction | 1992 |
| West END MOTORS1 Ltd | Wholesale & retail | 2022 |
| West END Road Halal Meat Ltd | Wholesale & retail | 2025 |
| West END Works Management Limited | Real estate | 2025 |
| West Lane Garage Limited | Wholesale & retail | 2004 |
| West Royd Properties Ltd | Real estate | 2020 |
| West Royd Property & Management Ltd | Real estate | 2025 |
| West Vale Bakery Ltd | Wholesale & retail | 2025 |
| West Vale Barbers Ltd | Other services | 2023 |
| West Vale Media Limited | Information & communication | 2026 |
| West York Renovations Ltd | Construction | 2023 |
| West Yorkshire Arborist Limited | Agriculture & fishing | 2025 |
| West Yorkshire Driveways Ltd | Construction | 2019 |
| West Yorkshire Electricians Limited | Construction | 2020 |
| West Yorkshire GAS Ltd | Construction | 2025 |
| West Yorkshire Manufacturing Group Ltd | Administrative & support | 2022 |
| West Yorkshire Motor Sales Ltd | Wholesale & retail | 2022 |
| West Yorkshire Property Maintenance Limited | Construction | 2009 |
| West Yorkshire Scaffolding Ltd | Construction | 2021 |
| Westborough Investments Ltd | Financial services | 2021 |
| Westbourne Legal Services Limited | Professional & scientific | 2010 |
| Westbrook Decorators Limited | Construction | 2009 |
| Western Dell Limited | Hospitality | 2018 |
| Westgrove Project Management Limited | Real estate | 2014 |
| Westminster Strategy Limited | Professional & scientific | 2026 |
| Westmoor Botanicals Limited | Agriculture & fishing | 2018 |
| Westmoor Consultancy Limited | Professional & scientific | 2016 |