| Urbanlane Property Ltd | Real estate | 2025 |
| Uropath Limited | Health & social care | 2025 |
| Utility Options Limited | Information & communication | 1994 |
| V900 Limited | Professional & scientific | 2010 |
| Vaca 2 Ltd | Wholesale & retail | 2023 |
| Valiant Driveways Ltd | Construction | 2026 |
| Validus Property Consultants Limited | Professional & scientific | 2015 |
| Vanquish Igaming Ltd | Professional & scientific | 2024 |
| Vantage Warrington LLP | | 2023 |
| Vardy Kemp Properties Limited | Real estate | 2026 |
| VB Fire Safety Ltd | Other services | 2020 |
| Venture Virtual Limited | Administrative & support | 2009 |
| Vernwind Renewables Ltd | Professional & scientific | 2023 |
| Vertex Power Systems Ltd | Professional & scientific | 2026 |
| Vichy Moem Ltd | Administrative & support | 2019 |
| Victoria Holdings NW Limited | Financial services | 2026 |
| Viva City Holdings Limited | Real estate | 2025 |
| Vixen CNC Limited | Manufacturing | 1999 |
| Vixen Holdings Limited | Professional & scientific | 2003 |
| Vixen Safety Limited | Professional & scientific | 2002 |
| VMI Carbon Group Limited | Professional & scientific | 2024 |
| Volta Energy Storage Limited | Administrative & support | 2017 |
| Vorhut Ltd | Wholesale & retail | 2017 |
| Vossko UK Ltd | Wholesale & retail | 2015 |
| W D L Wholesale Limited | Wholesale & retail | 2017 |
| W G Properties (NW) Ltd | Other services | 2020 |
| W J Westbury Building Services Ltd | Construction | 2023 |
| W.R.S. AIM Ltd | Energy | 2023 |
| Walk&Talk Today Ltd | Other services | 2020 |
| Walk&Talk Village Tea Room Ltd | Hospitality | 2023 |
| WDP Events Ltd | Professional & scientific | 2025 |
| Wecare Homes NW Ltd | Health & social care | 2024 |
| Wern Caravan Park CYF | Hospitality | 2015 |
| West Shore Trading Ltd | Administrative & support | 2016 |
| Westminster House Management Limited | Professional & scientific | 2014 |
| Westshore Car and Leisure Sales Limited | Professional & scientific | 2012 |
| WGW Developments Limited | Construction | 2017 |
| White & Williams Joinery & Building Contractors Ltd | Administrative & support | 2016 |
| White Horse NW Ltd | Hospitality | 2014 |
| Whitehouse Interiors (Caravans) Ltd | Manufacturing | 2016 |
| Whittington Grange Ltd | Construction | 2018 |
| WHO247 Ltd | Professional & scientific | 2025 |
| Wilbrook Training Ltd | Professional & scientific | 2022 |
| Wildcat Haven Community Interest Company | Professional & scientific | 2014 |
| WILL3 Ltd | Professional & scientific | 2025 |
| William Gerrard Wealth Protection Ltd | Professional & scientific | 2001 |
| Williams and LEE Properties Limited | Real estate | 2012 |
| Williams Commercial and Surveyors Limited | Extraterritorial | 2016 |
| Williams Estates Direct Limited | Real estate | 2016 |
| Williams Lettings Limited | Real estate | 2016 |
| Williams Timber Solutions (W.T.S.) Limited | Construction | 2019 |
| Williams-Wynn Estates Limited | Professional & scientific | 2008 |
| Wind Farm Training Ltd | Construction | 2020 |
| Wind Turbine Generators (W.T.G) Ltd | Construction | 2013 |
| Windtech Solutions Limited | Energy | 2023 |
| Wirral Small Cars Limited | Professional & scientific | 2008 |
| Wisetrace 2 Limited | Hospitality | 2011 |
| Wisetrace 3 Limited | Hospitality | 2017 |
| Wisetrace Holdings Limited | Professional & scientific | 2011 |
| Wisetrace Limited | Hospitality | 1998 |
| Women in Retrofit CIC | Professional & scientific | 2024 |
| Woodpecker Films Ltd | Other services | 2016 |
| Wrexham Garage Pitstop Ltd | Other services | 2018 |
| WVJ Limited | Professional & scientific | 2014 |
| Wyau Llŷn Eggs CYF | Agriculture & fishing | 2025 |
| Wynne Jones Contract Flooring Limited | Wholesale & retail | 2014 |
| Wynne-Williams Properties Limited | Administrative & support | 2005 |
| Wynnstay Farming Company Limited | Agriculture & fishing | 1995 |
| Wynnstay Holdco Limited | Professional & scientific | 2026 |
| Wynnstay Woodlands Co Limited | Professional & scientific | 2026 |
| Wynnstay Woodlands Holdco Limited | Professional & scientific | 2026 |
| XKS Limited | Information & communication | 1998 |
| Xscape Rooms Ltd | Information & communication | 2020 |
| Young Drivers School Limited | Education | 2016 |
| Yutea Limited | Wholesale & retail | 2026 |
| Z & S Property Holdings Ltd | Real estate | 2024 |
| ZED4ZED Limited | Professional & scientific | 2019 |
| Zetesmed Ltd | Health & social care | 2015 |