| VUP Services Ltd. | Construction | 2019 |
| VVK Decorating Limited | Construction | 2024 |
| VVP Group Ltd | Real estate | 2021 |
| Vybes by Alpha Restaurant Lounge and Bar Limited | Hospitality | 2023 |
| W and R Cannon Limited | Construction | 2025 |
| W J Jewellery Ltd | Manufacturing | 2026 |
| W. Chump & Sons Limited | Administrative & support | 2015 |
| W.A.C. Wilgar Holdings Limited | Construction | 2020 |
| W2W Business Solutions Limited | Professional & scientific | 2025 |
| Wabmedia Ltd | Information & communication | 2026 |
| Waghorn Capital Co Ltd | Administrative & support | 2023 |
| Wagon Farm Management Company Limited | Households | 2009 |
| Wahab & Co Accountants Ltd | Extraterritorial | 2014 |
| Wahab Holdings Ltd | Financial services | 2017 |
| Waii London Ltd | Real estate | 2025 |
| Waivern Limited | Information & communication | 2025 |
| Waldens Engineering Limited | Professional & scientific | 2019 |
| Walejaye Ltd | Administrative & support | 2014 |
| Walkers the Builders Merchant Holdings Limited | Financial services | 2023 |
| Walkers the Builders Merchant Limited | Wholesale & retail | 1979 |
| Walkers the Builders Merchant Properties Limited | Real estate | 2024 |
| Walterwall Flooring Limited | Wholesale & retail | 2013 |
| Walton Court (Management) Limited | Households | 1962 |
| WAN Fortress Ltd | Real estate | 2025 |
| WAN Heng Ltd | Real estate | 2020 |
| WAR Health Group Limited | Health & social care | 2025 |
| Waris Consulting Limited | Information & communication | 2008 |
| Warmasave Heating (Kent) Limited | | 1986 |
| Warner Holdings Group Limited | Financial services | 2023 |
| Warraich Machianna Ltd | Professional & scientific | 2025 |
| Warren (London) Limited | Real estate | 1989 |
| Warrenhurst Court Management Co. Ltd | Real estate | 2002 |
| Wash World Limited | Other services | 1994 |
| Wassi Gadgets Ltd | Wholesale & retail | 2022 |
| Waste Cleanup Ltd | Water & waste | 2025 |
| Waste One Limited | Water & waste | 2023 |
| Watch IT Come Down Limited | Administrative & support | 1956 |
| Watchmyride Limited | Wholesale & retail | 2020 |
| Watercraft Plants and Aquatics Limited | Wholesale & retail | 2024 |
| Waters Productions Limited | Administrative & support | 2004 |
| Waterside Mews Management Company (Plots 143 to 146) Limited | Real estate | 2004 |
| Watertight Plumbing Services (UK) Limited | Construction | 2006 |
| Wayside Downe Limited | Professional & scientific | 2026 |
| WB Solutions Ltd | Information & communication | 2010 |
| Wbmc Limited | Real estate | 2018 |
| Wcoc Events Ltd | Health & social care | 2024 |
| WD Leak Testing Ltd | Construction | 2018 |
| WE ARE Cleaning Ltd | Administrative & support | 2025 |
| WE MOW IT ALL Ltd | Administrative & support | 2024 |
| WE Source Recruitment Ltd | Other services | 2019 |
| Weagle Group Limited | Energy | 2023 |
| Wealth Stream Limited | Financial services | 2024 |
| Wearexena Limited | Administrative & support | 2025 |
| Webalytix Limited | Information & communication | 2009 |
| Webb Estate Management LLP | | 2011 |
| Weberes Ltd | Real estate | 2022 |
| Webley Holdings (UK) Limited | Financial services | 2014 |
| Weblink International Limited | Financial services | 2003 |
| Webots Ltd | Education | 2022 |
| Wecomp Limited | Professional & scientific | 2025 |
| WEE Consult Ltd | Professional & scientific | 2023 |
| Weenkeey Limited | Hospitality | 2019 |
| Weeras Consulting Limited | Professional & scientific | 2025 |
| Welch & Lacey Masonry Ltd | Construction | 2005 |
| Welive Company Limited | Real estate | 2019 |
| Wellhurst Close Management Company Ltd | Households | 2003 |
| Welling Developments Limited | Administrative & support | 2017 |
| Wemcool Limited | Construction | 2026 |
| Wendham Properties Ltd | Real estate | 2016 |
| Wesellcrypto Ltd | Information & communication | 2025 |
| Wessex Court (Bromley) RTM Company Limited | Households | 2016 |
| Wessex Court (Freehold) Ltd | Real estate | 2018 |
| West Hill Place (Freehold) Ltd | Households | 2026 |
| West Wickham Lazer Hair Removal Limited | Other services | 2021 |
| West Wickham Operatic Society | Arts & recreation | 1995 |
| Westbrook Club Ltd | Administrative & support | 2017 |
| Westminster Psychotherapy Limited | Health & social care | 2008 |
| Westmoreland Court Freehold Ltd | Real estate | 2012 |
| Westmoreland Court Management (Beckenham) Limited | Households | 1978 |
| Westpak Group Limited | Administrative & support | 2020 |
| Westwise Service Management Ltd. | Construction | 2009 |
| Westwood Homes and Investment Limited | Financial services | 2021 |
| Westy Properties Limited | Real estate | 2020 |
| Wheatley Cottages SPV Ltd. | Construction | 2022 |
| Wheels UP Vehicle Delivery Ltd | Transport & logistics | 2021 |
| Wheelz Technologies Limited | Wholesale & retail | 2013 |
| Whispers of GOD Ltd | Manufacturing | 2026 |
| White Daisy Group Ltd | Wholesale & retail | 2023 |
| White Eagle Property Investments Ltd | Real estate | 2021 |
| White Glove Property Services Ltd | Administrative & support | 2026 |
| White Raft Limited | Other services | 2020 |
| Whiteclub Limited | Arts & recreation | 2003 |
| Whitefields Consulting Limited | Professional & scientific | 2006 |
| Whitefoot and Downham Community Food Plus Project Limited | Health & social care | 2013 |
| Whitehall Plastering Services Limited | Construction | 2009 |
| WHO IS Right Limited | Education | 2025 |
| Wholesome Nutrition Limited | Wholesale & retail | 2025 |
| Wide Arrow Ltd | Education | 2024 |
| Wikileaks Plumbing &Heating Ltd | Construction | 2021 |
| Wild Oak TAI CHI Ltd | Health & social care | 2021 |