| Visceral Images Ltd | Information & communication | 2025 |
| Vision Landscapers Ltd | Administrative & support | 2024 |
| Vitesse Digital Ltd | Information & communication | 2024 |
| VLM Properties Limited | Real estate | 2013 |
| Waggle Dance Bees Ltd | Wholesale & retail | 2021 |
| Wakey Wakey Arts C.I.C. | Information & communication | 2025 |
| Warmer Room Ltd | Construction | 2020 |
| Water Tower Estate Limited | Real estate | 2012 |
| Webb Carpentry Limited | Manufacturing | 2014 |
| Wessex Engineering Ltd | Manufacturing | 2024 |
| Wessex Filters Limited | Wholesale & retail | 2003 |
| Wessex Fluids Ltd | Mining & quarrying | 2017 |
| Wessex Trophies Limited | Wholesale & retail | 2008 |
| West Bay Developments Limited | Construction | 1963 |
| West Stone Interim Ltd | Professional & scientific | 2023 |
| Westlands Consultancy Limited | Professional & scientific | 2016 |
| Westport Gardens Management Limited | Households | 2019 |
| Wfdr Ltd | Information & communication | 2015 |
| Wheels and Waves Transport Limited | Transport & logistics | 2022 |
| Whicher Decor Limited | Construction | 2003 |
| Whitchurch Services Ltd | Professional & scientific | 2023 |
| White Knight Financial Services Ltd | Financial services | 2020 |
| White Star Running Ltd | Arts & recreation | 2014 |
| Wicked Angel Limited | Information & communication | 2002 |
| Wild About Bunnies Ltd | Wholesale & retail | 2021 |
| Wildearth Group Limited | Information & communication | 2020 |
| William Roberts Ltd | Professional & scientific | 2020 |
| Williams Plastering and Spray Rendering Ltd | Construction | 2022 |
| Willingale Wealth Management Limited | Financial services | 2014 |
| Willow Marine Electrical Limited | Construction | 2019 |
| Wimborne Glazing Ltd | Construction | 2016 |
| Winding Track Ltd | Arts & recreation | 2016 |
| Winning Circle Research Limited | Professional & scientific | 2003 |
| Wizard Investment UK Ltd | Real estate | 2006 |
| Woods Edge Management Limited | Households | 2001 |
| Wrights Estate Agents Limited | Real estate | 2008 |
| Xenos Consulting Ltd | Professional & scientific | 2021 |
| XHG Tiger Motor Cycle Club Limited | Arts & recreation | 2005 |
| XL Electrical Excellence Ltd | Construction | 2011 |
| Yewtree Projects Ltd | Construction | 2026 |
| Yonder Stile Ltd | Hospitality | 2019 |
| Your Story Productions Ltd | Information & communication | 2025 |
| ZDR Investments Limited | Real estate | 2024 |
| Zeal Online Ltd | Administrative & support | 2026 |
| Zettasphere Limited | Professional & scientific | 2011 |
| ZUMRA2 Ltd | Hospitality | 2021 |