| VTM Transport Ltd | Transport & logistics | 2025 |
| Vubba Ltd | Wholesale & retail | 2025 |
| Vulcan Estates Ltd | Real estate | 2024 |
| Vulcan Offshore Ltd | Manufacturing | 2019 |
| Vurike Ltd | Information & communication | 2025 |
| Vurniq Limited | Professional & scientific | 2017 |
| Vuvumo Limited | Information & communication | 2011 |
| VVK Construction Limited | Construction | 2020 |
| VVS Estates Ltd | Real estate | 2026 |
| VW Events Limited | Administrative & support | 2011 |
| VW Homes Limited | Construction | 2018 |
| VX International Ltd | Information & communication | 2023 |
| Vyapaar Global Ltd | Wholesale & retail | 2026 |
| Vydense Ltd | Wholesale & retail | 2025 |
| Vysa Consulting Limited | Information & communication | 2012 |
| Vysa Consulting Solutions Limited | Information & communication | 2015 |
| W & G (Bishops Waltham) Limited | Real estate | 2013 |
| W & G (Bitterne) Limited | Real estate | 2020 |
| W & G (Hamble Office) Limited | Financial services | 2020 |
| W & S Retail Limited | Real estate | 2019 |
| W Athlevo Ltd | Wholesale & retail | 2025 |
| W Horse Ltd | Hospitality | 2022 |
| W J Weight Building Company Ltd | Construction | 2022 |
| W R C Developments Limited | Professional & scientific | 2006 |
| W R Systems Ltd | Professional & scientific | 2022 |
| W S C L Ltd | Construction | 2016 |
| W&A Management Company Ltd | Households | 2021 |
| W&S Mechanical Services Ltd | Professional & scientific | 2022 |
| W. J. & R. Dance Limited | Real estate | 2003 |
| W. J. King & Sons Ltd | Professional & scientific | 2021 |
| W.A.M Hospitality Limited | Administrative & support | 2015 |
| W.Edmunds & Sons Limited | Real estate | 1946 |
| W.R.Emery Limited | Wholesale & retail | 1941 |
| W.R.T Logistics Ltd | Transport & logistics | 2025 |
| W.T.Baker Limited | Wholesale & retail | 1946 |
| W.T.W. Truck Hire Limited | Administrative & support | 1986 |
| W3 Creations Ltd | Information & communication | 2022 |
| Waam Properties Ltd | Real estate | 2025 |
| Waden Air Control Ltd | Construction | 2023 |
| Wadp Limited | Professional & scientific | 2002 |
| Wagstaff Associates Ltd | Construction | 2026 |
| Waheguru Jskk Ltd | Real estate | 2024 |
| WAI Solutions Ltd | Professional & scientific | 2026 |
| Wainwright Brothers & Company Limited | Other services | 1930 |
| WAIT4U Limited | Real estate | 2014 |
| Waite Films Limited | Information & communication | 2010 |
| Waite Property Ltd | Real estate | 2018 |
| Waits Trading Limited | Professional & scientific | 2023 |
| Waive-It Limited | Information & communication | 2023 |
| Wakesense Ltd | Manufacturing | 2020 |
| Wakewood Holdings 2 Limited | Real estate | 2024 |
| Wakewood Holdings Limited | Professional & scientific | 2024 |
| Wakewood Limited | Real estate | 1996 |
| Wakwil Limited | Financial services | 2017 |
| Walid Foods Limited | Hospitality | 2024 |
| Walker & Waterer Lettings Limited | Real estate | 2008 |
| Walker & Waterer Limited | Real estate | 2000 |
| Walker Cousins & Co. Limited | Real estate | 1945 |
| Walker Marine Design Limited | Professional & scientific | 2014 |
| Walker Maritime Holdings Limited | Financial services | 2021 |
| Walker Rooms to Rent Ltd | Real estate | 2026 |
| Walkers Property Limited | Real estate | 2019 |
| Wall 2 Wall (Southern) Ltd | Transport & logistics | 2020 |
| Wall Solutions Cladding Limited | Extraterritorial | 2019 |
| Wall Solutions Limited | Construction | 2012 |
| WALL2WALL Design Limited | Construction | 2006 |
| Wallco Ltd | Construction | 2007 |
| Wallenius Wilhelmsen Solutions UK Limited | Administrative & support | 2020 |
| Wallops Wood Limited | Hospitality | 2012 |
| Wallsmiths & Co Ltd | Construction | 2024 |
| Walmush Ltd | Transport & logistics | 2013 |
| Walnut Properties SPV II Limited | Real estate | 2026 |
| Walnut Properties SPV Limited | Real estate | 2023 |
| Walpole Hall,Limited | Extraterritorial | 1908 |
| Walstone Group Limited | Professional & scientific | 2024 |
| Walstone Lettings Limited | Real estate | 2009 |
| Walstone Specialist Building Services Limited | Construction | 1994 |
| Waltet Limited | Financial services | 2008 |
| Waltet Materials Limited | Water & waste | 1996 |
| Waltet Recycling Limited | Water & waste | 1988 |
| Waltham Black Limited | Other services | 2017 |
| Waltham Business Park Estate Management Company Limited | Real estate | 2016 |
| Waltham Contracting Ltd | Construction | 2019 |
| Walthams South Limited | Construction | 2003 |
| Walton Healthcare Service Ltd | Health & social care | 2023 |
| Wamuki 22 Ltd | Administrative & support | 2022 |
| Wand Management Services Ltd | Information & communication | 2011 |
| Wandering Wild Yoga Ltd | Arts & recreation | 2023 |
| Wang 232 Limited | Wholesale & retail | 2017 |
| Wang Ltd | Real estate | 2006 |
| Wangfield Farm Estate Ltd | Real estate | 2023 |
| Wangfield Poultry Farming Limited | Agriculture & fishing | 2014 |
| Wanstead Freehold Limited | Households | 2016 |
| Waqar ALI Commerce Ltd | Wholesale & retail | 2026 |
| Warburton 2 Ltd | Real estate | 2025 |
| Ward & Mckenzie Surveys Ltd | Arts & recreation | 2010 |
| Ward Holdings (Southern) Limited | Financial services | 2025 |
| Wardie Services Ltd | Professional & scientific | 2008 |
| Wardrobe at 24 Limited | Wholesale & retail | 2016 |
| Warehouse 505 Ltd | Wholesale & retail | 2020 |