| WE Rise Group Ltd | Professional & scientific | 2021 |
| Westbury Potteries Limited | | 1947 |
| Wetherlam Business Services Limited | Professional & scientific | 2014 |
| Weybridge Garage Limited(The) | Wholesale & retail | 1985 |
| Wheatley & Co. Accountants Ltd | Information & communication | 2012 |
| White Label Productions (Holdings) Ltd | Manufacturing | 2020 |
| Whitmore Park Property Ltd | Real estate | 2018 |
| Will O' the Wisp (River Mole) Limited | Households | 1982 |
| Williamsons Painting and Decorating Ltd | Construction | 2020 |
| Willingale Cricket Club | Arts & recreation | 1995 |
| Wolsey Associates Limited | Administrative & support | 2002 |
| Woodbury Property Ltd | Construction | 2017 |
| Woodlands Inns Limited | Hospitality | 2013 |
| Woodspaceuk Ltd | Manufacturing | 2023 |
| Xerian Capital Limited | Professional & scientific | 2017 |
| Youthworks Consulting Ltd | Administrative & support | 2008 |
| Ypma Ltd | Hospitality | 2024 |
| Z & B Consultants Limited | Information & communication | 2013 |
| Zero Energy Boat Ltd | Professional & scientific | 2009 |
| Zero Topco Limited | Financial services | 2022 |
| Zuri Essentials Ltd | Wholesale & retail | 2010 |
| Zuri Estates Limited | Real estate | 2023 |
| Zygate Limited | Administrative & support | 2013 |
| Zynotech Consulting Limited | Information & communication | 2023 |