| Transport Music Limited | Arts & recreation | 2022 |
| Treadstone Operations Limited | Wholesale & retail | 2022 |
| Trebell Properties Ltd | Households | 2025 |
| Treelectrical Ltd | Construction | 2024 |
| Treerose Limited | Professional & scientific | 2015 |
| Trevor Downing Financial Management (IFA) Limited | Financial services | 1984 |
| Trevor Downing Healthcare Limited | Extraterritorial | 2021 |
| Tribune Sports Travel Ltd | Other services | 2018 |
| Trustzone Ltd | Information & communication | 2013 |
| Turley Holdings Ltd | Real estate | 2017 |
| TW Building and Maintenance Ltd | Administrative & support | 2021 |
| TW37 Properties Ltd | Real estate | 2026 |
| Twin Property Partnership Ltd | Real estate | 2022 |
| Twinforce Flooring Ltd | Construction | 2025 |
| Two Hammers Ltd | Construction | 2025 |
| Two Hammers Roofing Ltd | Construction | 2022 |
| Two Hammers Scaffolding Ltd | Construction | 2024 |
| Type & Kind Ltd | Professional & scientific | 2006 |
| Tyreresq Ltd | Wholesale & retail | 2024 |
| Tyro Plates Wholesale Ltd | Manufacturing | 2026 |
| Ubiq Solutions Ltd | Professional & scientific | 2019 |
| UC Bookings Ltd | Other services | 2026 |
| UK Building Works Limited | Construction | 2011 |
| UK Car Solutions Ltd | Wholesale & retail | 2020 |
| UK FX Solutions Limited | Administrative & support | 2017 |
| UK Labour Force Ltd | Construction | 2021 |
| UK Property Management 247 Ltd | Real estate | 2026 |
| UK Recovery Supplies Limited | Wholesale & retail | 2009 |
| UK Solutions for Building Ltd | Construction | 2017 |
| Ukay Ltd | Construction | 2019 |
| Ultimate Muay Thai Ltd | Arts & recreation | 2024 |
| Underglass Productions Ltd | Arts & recreation | 2023 |
| Unique Diamond Acquisitions Ltd | Wholesale & retail | 2013 |
| Unique London Developments Limited | Construction | 2015 |
| Uphold Properties Ltd | Real estate | 2025 |
| Uplands Solutions Ltd | Information & communication | 2025 |
| Utsanana Healthcare Ltd | Health & social care | 2025 |
| Uxbridge Mechanical Services Ltd | Construction | 2020 |
| V. a. Rooke Services Limited | Professional & scientific | 2017 |
| Valencia Facades Ltd | Wholesale & retail | 2024 |
| Valhallex Ltd | Administrative & support | 2018 |
| Valley Carpet Cleaning Ltd | Administrative & support | 2025 |
| Valley Scaffolding Limited | Construction | 2003 |
| Van Addicts Ltd | Wholesale & retail | 2024 |
| Vanderburg Scrap Metals Limited | Water & waste | 2012 |
| Vapour Hype Limited | Wholesale & retail | 2018 |
| VCO Electrical Services Limited | Construction | 2019 |
| Vehicle Relocations Limited | Transport & logistics | 2011 |
| Velux Roofing Ltd | Construction | 2026 |
| Vennuss Limited | Manufacturing | 2025 |
| Ventum Projects Limited | Construction | 2023 |
| Verde London Ltd. | Manufacturing | 1991 |
| Veritas Solutions Ltd | Information & communication | 2020 |
| Vermillion Consulting Ltd | Administrative & support | 2019 |
| Vern Place Management Co Ltd | Administrative & support | 2005 |
| Vertex IT Solutions Limited | Information & communication | 2000 |
| VHC Properties Limited | Real estate | 2018 |
| Victoria Flooring Group Limited | Construction | 2003 |
| Vigo Roofing Ltd | Construction | 2017 |
| Vinissimo (Midlands) Limited | Wholesale & retail | 2024 |
| Vinissimo Limited | Wholesale & retail | 1996 |
| Vinokelly Search LLP | | 2016 |
| Vinvok LLP | | 2016 |
| Visbuzz Limited | Professional & scientific | 2003 |
| Visions of Caterham Limited | Wholesale & retail | 2003 |
| VLE Makeup & Hair Ltd | Other services | 2023 |
| Vmsr Trading Ltd | Wholesale & retail | 2023 |
| Vo&Ke Ltd | Construction | 2019 |
| Voigt Films Ltd | Information & communication | 2024 |
| Voltz Energy Solutions Ltd | Professional & scientific | 2024 |
| Voltz Group Ltd | Professional & scientific | 2024 |
| Vont Group Ltd | Financial services | 2024 |
| VR Sites.Com Limited | Information & communication | 2017 |
| VZN Engineering Limited | Information & communication | 2026 |
| W.Rowlands and Co Ltd | Administrative & support | 2020 |
| W4 Property Services Ltd | Construction | 2019 |
| WA Projects UK Ltd | Professional & scientific | 2019 |
| Waggin' Galore Limited | Other services | 2022 |
| Walker Works (Kent) Ltd | Administrative & support | 2024 |
| Wallcourt Aviation Limited | Transport & logistics | 2022 |
| Walnut Tree Close (Westerham) Limited | Households | 2003 |
| Warm Home Developments Limited | Construction | 2020 |
| Warren Property Company (Westerham) Limited | Households | 2024 |
| Wasap Logistics Ltd | Transport & logistics | 2020 |
| Wash Away Cleaning Ltd | Administrative & support | 2024 |
| Wash Away Services Ltd | Administrative & support | 2023 |
| Watcap Inc Ltd | Arts & recreation | 2025 |
| Watcap Ltd | Health & social care | 2025 |
| Watcap Ventures Ltd | Arts & recreation | 2025 |
| Water & GAS Installation Ltd | Construction | 2017 |
| Waterside PUB Collection Limited | Hospitality | 2025 |
| Watson Autos Kent Ltd | Wholesale & retail | 2018 |
| Watson Macneill Limited | Professional & scientific | 2003 |
| Waypoint Aerotec Limited | Transport & logistics | 2013 |
| WE R MAD Limited | Professional & scientific | 2023 |
| Weathertite Company Limited | Construction | 1998 |
| Web Analytics Limited | Information & communication | 2007 |
| Website Consultants Ltd | Information & communication | 2016 |
| Well Oils Ltd | Wholesale & retail | 2019 |
| Wellbeing Nutrition Ltd | Professional & scientific | 2026 |