| Waddle IT BE Ltd | Information & communication | 2024 |
| Wambooi Design Solutions Limited | Professional & scientific | 2014 |
| Watchscout Ltd | Wholesale & retail | 2024 |
| WE ARE Self Storage Ltd | Administrative & support | 2024 |
| WE Love YOU Media Limited | Professional & scientific | 2015 |
| Wellbeing at the Webbington Ltd | Other services | 2021 |
| Westfields Developments Ltd | Construction | 2021 |
| Weston Plumbing & Heating Limited | Construction | 2010 |
| Weymouth Estates Ltd | Hospitality | 2023 |
| Whats on Group Ltd | Professional & scientific | 2004 |
| Wigzell Atelier Ltd | Manufacturing | 2026 |
| Winscombe Barbers Limited | Other services | 2026 |
| Winscombe Bowling Club Estates Limited | Arts & recreation | 1922 |
| Winscombe Bowling Club Limited | Education | 2025 |
| Winscombe Court Services Ltd | Hospitality | 2023 |
| Winscombe Engineering Ltd | Mining & quarrying | 2007 |
| Winscombe Football Club Ltd | Arts & recreation | 2025 |
| Winscombe Football Club Trading Ltd | Wholesale & retail | 2025 |
| Winscombe Hair & Beauty Ltd | Other services | 2021 |
| Winscombe Kebab Ltd | Hospitality | 2021 |
| Winsearch Limited | Information & communication | 1985 |
| WJF MA Ltd | Professional & scientific | 2025 |
| Woodborough Investments Limited | Real estate | 2023 |
| Woodland View Ltd | Real estate | 2020 |
| Wright Business Development Ltd | Professional & scientific | 2018 |
| Xinc Digital Limited | Information & communication | 2016 |
| XL Connect Limited | Other services | 2023 |
| Your Body Business Limited | Other services | 2019 |