| VO Modern Estate Ltd | Real estate | 2026 |
| Vock Software Solutions Ltd | Information & communication | 2019 |
| Voewood Consulting Ltd | Professional & scientific | 2025 |
| Voita Services Ltd | Information & communication | 2020 |
| Voltify Technologies Ltd | Extraterritorial | 2024 |
| Vore Ltd | Construction | 2019 |
| Vortex Build Ltd | Construction | 2023 |
| Vortex Recruitment Ltd | Administrative & support | 2023 |
| Votox Ltd | Transport & logistics | 2022 |
| VOW Care Services Limited | Other services | 2018 |
| VP Autos Ltd | Wholesale & retail | 2010 |
| VPA Properties Ltd | Real estate | 2023 |
| VPC Homes Limited | Real estate | 2024 |
| Vquarks Technologies Ltd | Information & communication | 2019 |
| VR Medical Communications Ltd | Professional & scientific | 2018 |
| VSN International Limited | Professional & scientific | 2000 |
| VSS Traders Ltd | Wholesale & retail | 2025 |
| VTL Media Ltd | Information & communication | 2010 |
| Vulpix Recruitment Ltd | Construction | 2021 |
| Vylox Ltd | Construction | 2023 |
| VYO Ltd | Transport & logistics | 2019 |
| W & G Barlow & Sons Ltd | Agriculture & fishing | 2024 |
| W B Barr Ltd | Real estate | 2013 |
| W M Financial Services Ltd | Financial services | 2022 |
| Waav Ltd | Construction | 2019 |
| Wabar Limited | Wholesale & retail | 2019 |
| Wadebridge (Cornwall) Management Company Limited | Households | 2019 |
| Wagg and Woof Grooming Ltd | Other services | 2024 |
| Waldron & Western Properties Limited | Real estate | 2025 |
| Walker Project Management Ltd | Construction | 2026 |
| Walkers Building Contractors Limited | Construction | 2014 |
| Walkie Talkie Content Management Limited | Information & communication | 2022 |
| Walkington Consulting Ltd | Professional & scientific | 2019 |
| Wall Street Interiors Limited | Other services | 1998 |
| Wall to Wall Services Ltd | Construction | 2016 |
| Wallaby Grip Limited | Professional & scientific | 1895 |
| Wally's Painting&Decorating Ltd | Construction | 2024 |
| Walnuts Trading Co Ltd | Manufacturing | 2022 |
| Walsh Creative Solutions Limited | Other services | 2018 |
| Walten Ltd | Professional & scientific | 2023 |
| Walter John Cook and Sons Limited | Hospitality | 1976 |
| Waltham Shutter Company Limited | Construction | 2025 |
| Walton-Gatwick Pipeline Company Limited | Professional & scientific | 1983 |
| Wanashe Limited | Transport & logistics | 2024 |
| Waqif UK Services Ltd | Administrative & support | 2025 |
| Warchild Legacy Ltd | Arts & recreation | 2025 |
| Ward Memorials Limited | Professional & scientific | 2010 |
| Ward Pelley Property Limited | Real estate | 2025 |
| Warrior Business Technology Consulting Limited | Wholesale & retail | 2016 |
| Warwick & Hertford Limited | Financial services | 2024 |
| Warwick Ainsworth Design & Build Ltd | Construction | 2020 |
| Wash & Shine Car Wash Ltd | Administrative & support | 2025 |
| Waste Bioenergy Ltd | Transport & logistics | 2017 |
| Watchman’S Place Management Company Limited | Households | 2024 |
| Water Colour Management Company Limited | Households | 2005 |
| Water END Angling Society Limited | Arts & recreation | 2005 |
| Water Performance Limited | Administrative & support | 2004 |
| Waterhouse Recruitment Services Ltd | Administrative & support | 2024 |
| Waterside 28 Limited | Financial services | 2015 |
| Waterside Affinity (Waverley) Management Company Limited | Households | 2024 |
| Waterside Park (Portsmouth) Management Company Limited | Households | 2008 |
| Waterside Reach Management Company Limited | Households | 2014 |
| Watford RFC | Arts & recreation | 2012 |
| Watford Spray Blast Ltd | Professional & scientific | 2023 |
| Watford Welding Ltd | Professional & scientific | 2019 |
| Watford's Precious Community CIC | Health & social care | 2026 |
| Watling Court Management Limited | Households | 1984 |
| Watling Street Burger Van Limited | Hospitality | 2024 |
| Wattsave Limited | Extraterritorial | 2011 |
| Wattsoff EOT Ltd | Financial services | 2026 |
| Wattsoff Ltd | Manufacturing | 2025 |
| Wavey Properties Ltd | Financial services | 2020 |
| Waxham Sands Holiday Park Ltd | Arts & recreation | 2021 |
| Waxing Boutique Ltd | Other services | 2018 |
| WAY2CIS Limited | Information & communication | 2022 |
| WBG Management Limited | Households | 2017 |
| WC Expo Limited | Administrative & support | 2015 |
| Wdfa Services Ltd | Administrative & support | 2022 |
| WE Create Stuff Limited | Information & communication | 2013 |
| WE Make Footballers Finchley LLP | | 2017 |
| WE R Partners Ltd | Professional & scientific | 2023 |
| WE Sabi Food Ltd | Hospitality | 2024 |
| Wealdstone Management Limited | Households | 2017 |
| Wealthglobalcare Ltd | Health & social care | 2026 |
| Webber Connex Limited | Professional & scientific | 2024 |
| Webbs Gardens Ltd | Administrative & support | 2017 |
| Webuyanycoins T/A Numicraft Ltd | Wholesale & retail | 2020 |
| WED SET Go Ltd | Information & communication | 2023 |
| Wedj Hire Limited | Wholesale & retail | 2024 |
| Wedj Limited | Wholesale & retail | 2024 |
| Welburn Croft Management Limited | Households | 2000 |
| Welcome Cars Hemel Limited | Transport & logistics | 2024 |
| Well-Being Health Ltd | Administrative & support | 2021 |
| Well-Led Limited | Professional & scientific | 2017 |
| Wellbeology Ltd | Information & communication | 2021 |
| Wellhead Management Ltd | Mining & quarrying | 2017 |
| Wellington Gardens (Aldershot) Management Company Limited | Households | 2015 |
| Wellington Mansions (Leyton) RMC Limited | Households | 2007 |
| Wellpest Limited | Administrative & support | 2017 |
| Wells Restoration Ltd | Construction | 2023 |