| Urban Sales and Lettings Limited | Real estate | 2008 |
| Urbanbuilt Limited | Construction | 2017 |
| Ushik Ltd | Real estate | 2025 |
| Usmar Holdings Ltd | Information & communication | 2017 |
| UVR Hospitality Ltd | Hospitality | 2025 |
| V & M (Teddington) Ltd | Wholesale & retail | 2018 |
| V Aggarwal Estates Limited | Real estate | 2017 |
| V2RSION Ltd | Professional & scientific | 2019 |
| Valinor Ltd | Financial services | 2017 |
| Value Change Associates Ltd | Professional & scientific | 2009 |
| Van ANH Limited | Other services | 2015 |
| VCS Consulting Ltd | Information & communication | 2010 |
| Vectara Ltd | Professional & scientific | 2026 |
| Velvet Smoke Ltd | Wholesale & retail | 2022 |
| Venture Proof Limited | Professional & scientific | 2011 |
| Venturi Partners Limited | Professional & scientific | 2011 |
| Venus Touch Ltd | Other services | 2023 |
| Verchabel Consulting Limited | Information & communication | 2023 |
| Vericonsult Limited | Professional & scientific | 2024 |
| Verseraise Limited | Arts & recreation | 1992 |
| Vertek Construction Limited | Construction | 2018 |
| Vertex Homes Holdings Limited | Financial services | 2021 |
| Vertex Homes Limited | Construction | 2007 |
| Vestibular Skills Co Ltd | Education | 2024 |
| Victoria Joshua Consulting Ltd | Financial services | 2021 |
| Vida Media Ltd | Administrative & support | 2017 |
| Vidatherapy Limited | Other services | 2021 |
| Viking Consultants Ltd | Professional & scientific | 2007 |
| Vikingston Minibus Hire Limited | Transport & logistics | 2015 |
| Village Mews (Teddington) RES Assoc Ltd | Households | 1997 |
| Villge Limited | Information & communication | 2017 |
| Virtual Home Care Limited | Information & communication | 2020 |
| Vision Transport Planning Limited | Professional & scientific | 2015 |
| Vistula Developments Limited | Construction | 2016 |
| Visual Impact (UK) Limited | Information & communication | 1987 |
| Visually Connected Limited | Administrative & support | 2017 |
| Vitalhealth in Harmony Ltd | Information & communication | 2025 |
| Vitalmax Online Limited | Wholesale & retail | 2010 |
| Vitapepti Ltd | Wholesale & retail | 2026 |
| Vitezza Partners Ltd. | Professional & scientific | 2011 |
| Vivid Editing Ltd | Information & communication | 2017 |
| Vizzible Ltd | Professional & scientific | 2014 |
| Vmmc Estates Limited | Real estate | 2007 |
| Volkan’S Construction Consultancy Ltd | Construction | 2020 |
| Voskefinish Ltd | Administrative & support | 2017 |
| Vouchedfor Ltd | Information & communication | 2011 |
| Vsecurelabs Limited | Information & communication | 2023 |
| Vvpm Limited | Real estate | 2024 |
| W K Jerman Education Consultancy Limited | Professional & scientific | 2015 |
| WAA Consulting Limited | Professional & scientific | 2018 |
| Wakely Radiology Ltd | Health & social care | 2019 |
| Waldegrave Clinic Limited | Other services | 2008 |
| Waldegrave Court (Teddington) Limited | Households | 2025 |
| Waldegrave Mews Limited | Real estate | 2020 |
| Waldegrave Whitehouse Ltd | Real estate | 2014 |
| Waldo Pancake Limited | Administrative & support | 2012 |
| Walk on Water International Limited | Hospitality | 2024 |
| Walk on Water London Limited | Hospitality | 2026 |
| Walk on Water Services Limited | Hospitality | 2026 |
| Walk-To-Talk Limited | Other services | 2025 |
| WAM Media Limited | Information & communication | 2013 |
| Wanderbe Ltd | Administrative & support | 2025 |
| Warren Developments Limited | Real estate | 2003 |
| Warrenhurst Gardens Management Company Limited | Households | 2010 |
| Warwick Shillaker - Shipbroker Ltd | Wholesale & retail | 2022 |
| Watzdis Ltd | Wholesale & retail | 2014 |
| Wawa Media Ltd | Information & communication | 2014 |
| Wayside Residents Limited | Households | 1983 |
| WBC World Brands Consulting Ltd | Professional & scientific | 2017 |
| WDS Global Limited | Other services | 2019 |
| WE ARE Volume Group Limited | Professional & scientific | 2023 |
| WE Know Rugby Ltd | Administrative & support | 2024 |
| WE Know Sport Ltd | Financial services | 2026 |
| WE3D Technologies Ltd | Information & communication | 2022 |
| Weiss Marketing Limited | Professional & scientific | 2011 |
| Welford Place Limited | Households | 1987 |
| Wellington Road (Freehold) Limited | Households | 2009 |
| Wessex Green (Didcot) Ltd | Administrative & support | 2015 |
| Wessex Green (Didcot) Two Ltd | Construction | 2021 |
| Wessex Green Homes Ltd | Administrative & support | 2020 |
| West Essex Heating Ltd | Construction | 2014 |
| Weston Rengifo Holdings Limited | Financial services | 2026 |
| Weston Rengifo Retrofit Limited | Professional & scientific | 2026 |
| WET Paint Limited | Real estate | 2022 |
| WH Recruitment Ltd | Administrative & support | 2022 |
| When Moon Ltd | Professional & scientific | 2021 |
| Whistling Bird Limited | Professional & scientific | 2024 |
| White Assembly Ltd | Professional & scientific | 2025 |
| White Building Services (UK) Limited | Construction | 2009 |
| White Spider Media Ltd | Professional & scientific | 2005 |
| Whitedemon Limited | Information & communication | 2000 |
| Whitethorn Consultancy Limited | Information & communication | 2024 |
| Whitewave Capital Limited | Extraterritorial | 2018 |
| Whitman Communications Limited | Professional & scientific | 2017 |
| WHOLE9YARDS Media Ltd | Information & communication | 2014 |
| WI10 Ltd | Professional & scientific | 2026 |
| Wicked Smart Productions Ltd | Information & communication | 2025 |
| Wide International Consulting Limited | Professional & scientific | 2020 |
| Wild Bush London Ltd | Education | 2024 |
| Wild Gold Drinks Ltd | Manufacturing | 2024 |