| Wadham Van Hire Ltd | Transport & logistics | 2014 |
| WAF Consultancy Limited | Professional & scientific | 2025 |
| Wafflebox Aston Limited | Hospitality | 2020 |
| Wafflebox Derby Ltd | Wholesale & retail | 2020 |
| Wafflebox Doncaster Limited | Hospitality | 2022 |
| Wafflebox Ltd | Manufacturing | 2019 |
| Wagging Tails Dog Walking Ltd | Wholesale & retail | 2023 |
| Wags N Whiskers Pet Services Ltd | Other services | 2024 |
| Wahedna Limited | Health & social care | 2019 |
| Waheguru Construction Ltd | Construction | 2022 |
| Waheguru Tera Shukar HAI Ltd | Real estate | 2020 |
| Wahenoor Exports Limited | Wholesale & retail | 2026 |
| Wahl International Limited | Agriculture & fishing | 2004 |
| WAI YIP Limited | Hospitality | 1997 |
| Wajahat Enterprise Ltd | Professional & scientific | 2021 |
| Wakai Capital Limited | Real estate | 2025 |
| Wake-Smith Engineering Services (Wses) Limited | Construction | 2025 |
| Walbrook Management (Midlands) Limited | Construction | 2018 |
| Walker & Sons Developments Limited | Construction | 2015 |
| Walker Accountancy Limited | Professional & scientific | 2009 |
| Walker Developments (Derby) Ltd | Real estate | 2020 |
| Walker Homes Design and Build Limited | Real estate | 2020 |
| Walker Housing Solutions Ltd | Real estate | 2023 |
| Walker Music Ltd | Information & communication | 2025 |
| Walker Residential Ventures Limited | Real estate | 2025 |
| Walkerwarren Associates Ltd | Professional & scientific | 2005 |
| Walking on Air Foot Care Limited | Health & social care | 2023 |
| Wall & INK Ltd | Manufacturing | 2025 |
| Wall Decor Limited | Wholesale & retail | 2025 |
| Wall Fame 3D Printing Ltd | Manufacturing | 2024 |
| Wallace & Gunn (SPV) Ltd | Real estate | 2025 |
| Wallace (Groundworks & Civils) Ltd | Construction | 2018 |
| Wallace Technology LAB Ltd | Information & communication | 2016 |
| Wallis Brothers Limited | Manufacturing | 1965 |
| Wallis Textile Solutions Limited | Manufacturing | 2001 |
| Walls for the Future Limited | Education | 2009 |
| WALLS4PAWS Limited | Agriculture & fishing | 2012 |
| Wallstones Holding Ltd | Professional & scientific | 2026 |
| Walnut Meadow Management Company Limited | Households | 2016 |
| Walters Line Limited | Other services | 2025 |
| Waltneys Ltd | Wholesale & retail | 2023 |
| Walton OUT Care Services Limited | Health & social care | 2015 |
| WAN Pharma Limited | Wholesale & retail | 2021 |
| Wanda Inn Ltd | Hospitality | 2020 |
| Wandering Monster Limited | Manufacturing | 2025 |
| Wanderlust Club Limited | Wholesale & retail | 2018 |
| Wanstone Properties Limited | Real estate | 2026 |
| Wanstop Management Ltd | Administrative & support | 2022 |
| Wanted Wardrobe Ltd | Wholesale & retail | 2023 |
| WAR Memorial Village-Derby(The) | Hospitality | 1949 |
| Wara & Sons Mechanical Design Engineering Limited | Manufacturing | 2016 |
| Warafood Wholesales Ltd | Wholesale & retail | 2025 |
| Warbo Holdings Limited | Real estate | 2026 |
| Warcott Property Ltd | Real estate | 2021 |
| Ward Developments (East Midlands) Ltd | Construction | 2016 |
| Ward Wealth Management Limited | Administrative & support | 2014 |
| Wareham Investments Limited | Financial services | 2023 |
| Waris Healthcare Limited | Health & social care | 2015 |
| Warm Homes Heating and Plumbing Solutions Ltd | Professional & scientific | 2023 |
| Warm Homes Loft Installers Ltd | Construction | 2025 |
| Warmseal Midlands Ltd | Construction | 2019 |
| Warping Mill RTM Company Limited | Households | 2024 |
| Warren Commissioning Solutions Limited | Construction | 2022 |
| Warseft Limited | Hospitality | 2022 |
| Warwickshire Healthcare UK Ltd | Wholesale & retail | 2025 |
| WAS Vehicles (UK) Limited | Wholesale & retail | 2001 |
| Wash and Shine Hand Car Wash Derby Limited | Administrative & support | 2024 |
| Washercare Limited | Manufacturing | 2005 |
| Washroom Environment Limited | Other services | 2011 |
| Washroom Essentials Limited | Other services | 2008 |
| Wasie Entertainment Ltd | Administrative & support | 2025 |
| Wasps Rugby Football Club Ltd | Arts & recreation | 2022 |
| Waste Equipment Limited | Extraterritorial | 1976 |
| Waste Equipment Rentals Limited | Administrative & support | 1983 |
| Wasted Reality Ltd | Information & communication | 2024 |
| Wastetrak Technologies Ltd | Wholesale & retail | 2022 |
| Watchmaker Property Limited | Real estate | 2019 |
| Waterhouse (Derby) Asset Ltd | Real estate | 2020 |
| Waterhouse Design Associates Limited | Other services | 2002 |
| Waterhouse Games Limited | Information & communication | 2025 |
| Waterloo Care Limited | Health & social care | 2013 |
| Watermelon Creative Ltd | Professional & scientific | 2004 |
| Waters Projects (Midlands) Limited | Construction | 2022 |
| Watersafe UK Limited | Professional & scientific | 2007 |
| Watershed Solutions Ltd | Professional & scientific | 2011 |
| Watersmiths Business Services Limited | Professional & scientific | 2014 |
| Watson Family Investment Group Limited | Professional & scientific | 2025 |
| Watt Builders Ltd | Construction | 2025 |
| Wave Rise Digital Limited | Professional & scientific | 2025 |
| Waveney Asphalt Company Limited(The) | Extraterritorial | 1985 |
| Wavertree Promotions Limited | Arts & recreation | 2011 |
| Waves Hand Car Wash Ltd | Other services | 2025 |
| Waves Hotels Group Limited | Hospitality | 2021 |
| Wavey Vapes Limited | Wholesale & retail | 2024 |
| Way Logic Ltd | Information & communication | 2020 |
| Way of the Woods Ltd | Agriculture & fishing | 2019 |
| Waybridge Healthcare Consultancy Ltd | Health & social care | 2014 |
| Wayne Mcdaid Engineering Limited | Construction | 2018 |
| Wayside Farm Park Limited | Real estate | 2021 |
| WB Aviation Consulting Limited | Professional & scientific | 2017 |