| Version 40 Limited | Professional & scientific | 2021 |
| Vibration Diagnostics Limited | Professional & scientific | 2010 |
| Vicarage Gardens (Malmesbury) Management Limited | Households | 2000 |
| Vident Ltd | Professional & scientific | 2008 |
| Vile Ortho Ltd | Health & social care | 2025 |
| Vitality Trees Limited | Agriculture & fishing | 2022 |
| W.W.K.P. Enterprises Ltd | Construction | 2010 |
| WCL Rail Ltd | Construction | 2023 |
| Weaver Publishing Limited | Information & communication | 2019 |
| Web Publications Limited | Information & communication | 1999 |
| Wedgwood Associates Ltd | Information & communication | 2012 |
| Weller Court Limited | Households | 2005 |
| Wesellbloodstock.Com Limited | Agriculture & fishing | 2020 |
| Wheatleys (SPV) Limited | Real estate | 2018 |
| Where Lions Play Ltd | Information & communication | 2025 |
| White Horse House Management Company Limited | Professional & scientific | 2003 |
| Whitewalls Properties LLP | | 2021 |
| Will BE Consulting Limited | Professional & scientific | 2014 |
| William Pitman Ltd | Administrative & support | 2010 |
| William Pope Limited | Administrative & support | 2012 |
| Willowford Limited | Construction | 2018 |
| Wilson Advisory Ltd | Professional & scientific | 2025 |
| Wiltshire Turf Ltd | Administrative & support | 2026 |
| Withit Ltd | Information & communication | 2021 |
| Woodward & Gould Assets Ltd | Financial services | 2020 |
| Woodward & Gould Investments Ltd | Financial services | 2013 |
| Worldwide Renewable Energy Global Ltd | Households | 2019 |
| WOW YOU Beauty Ltd | Wholesale & retail | 2019 |
| WOW YOU! Limited | Wholesale & retail | 2009 |
| WRG Property Assets Limited | Real estate | 2023 |
| WRG Rental Limited | Administrative & support | 2022 |
| Xamin Limited | Professional & scientific | 2025 |
| XMF Investments Ltd | Professional & scientific | 2025 |
| Ybridge Limited | Professional & scientific | 2020 |
| Yellowstone Roofing & Property Contractors Ltd | Construction | 2024 |
| Zeal Woodcraft Limited | Other services | 2019 |
| Zedrc Limited | Professional & scientific | 2017 |
| Zoltan Care Ltd | Information & communication | 2019 |
| ZOO Group (Holdings) Ltd | Professional & scientific | 2017 |
| Zulu-Alpha Limited | Administrative & support | 2026 |