| TRI Color Media PVT Limited | Manufacturing | 2024 |
| Triastra Limited | Real estate | 2024 |
| Tribeat Limited | Professional & scientific | 2015 |
| Trilokuk Limited | Households | 2023 |
| Trinity TEK Ltd | Real estate | 2025 |
| Trojaan CAD Services LLP | | 2014 |
| Trumpington Blue Ltd | Extraterritorial | 2014 |
| Trustech Global Ltd | Information & communication | 2014 |
| Trusted Repairs Ltd | Manufacturing | 2025 |
| Ts-Aw Ltd | Other services | 2020 |
| TSF Group Ltd | Professional & scientific | 2018 |
| Tulsi Catering Services Limited | Hospitality | 2018 |
| Tumi (UK) Limited | Wholesale & retail | 2006 |
| Tvlb Ltd. | Wholesale & retail | 2023 |
| TWK Marketing Ltd | Professional & scientific | 2017 |
| Tyid Homes Ltd | Real estate | 2025 |
| Ukunison Ltd | Wholesale & retail | 2023 |
| Ultimate Classic Cars Limited | Wholesale & retail | 2016 |
| UM Bestow Ltd | Wholesale & retail | 2022 |
| Umaa Events Ltd | Arts & recreation | 2013 |
| Umaa Personal Training Ltd | Arts & recreation | 2017 |
| Umaa Training Limited | Arts & recreation | 2013 |
| Unikon Protection Services Limited | Health & social care | 2016 |
| Universal Trader Inc Limited | Wholesale & retail | 2025 |
| Universal Trading & Shipping (UK) Ltd | Hospitality | 2000 |
| Unox UK Limited | Wholesale & retail | 2009 |
| Up&Over Roofing Limited | Construction | 2025 |
| Upholstery & Wall Panelling Ltd | Other services | 2023 |
| Upmarket Limited | Financial services | 2019 |
| Urban Vitality Hub Limited | Information & communication | 2023 |
| Uverstyle Studio Ltd | Wholesale & retail | 2023 |
| Uzimele Consulting Ltd | Mining & quarrying | 2008 |
| V&K Management Ltd | Real estate | 2025 |
| V360CARE Ltd | Administrative & support | 2026 |
| Vadgama Optical Limited | Professional & scientific | 2018 |
| Valiant Tech Studios Limited | Information & communication | 2022 |
| Value Added Property Ventures Ltd | Real estate | 2022 |
| Vantora Properties Ltd | Real estate | 2026 |
| Varad Solutions Ltd | Information & communication | 2012 |
| Varthan Consulting Ltd | Professional & scientific | 2016 |
| Vathun Properties Limited | Real estate | 2023 |
| VB UK IP Limited | Professional & scientific | 2006 |
| Vdml Investments Limited | Real estate | 2014 |
| Velleyen Construction Ltd | Construction | 2017 |
| Velleyen Group Limited | Other services | 2017 |
| Velocity Trading Solutions Ltd | Information & communication | 2023 |
| Venti SEI UK Ltd | Wholesale & retail | 2026 |
| Ventured Ltd | Administrative & support | 2012 |
| Venusian Group Limited | Wholesale & retail | 2025 |
| Veratech Consulting Ltd | Administrative & support | 2025 |
| Vercetti Property Solutions Limited | Real estate | 2019 |
| Verdant Control Limited | Wholesale & retail | 2025 |
| Vericlem Ltd | Extraterritorial | 2023 |
| Verisworks Ltd | Information & communication | 2019 |
| Veron Construction Ltd | Construction | 2011 |
| Verra Space Ltd | Information & communication | 2025 |
| Veru Driving Limited | Transport & logistics | 2016 |
| Vesta Nexus Limited | Hospitality | 2026 |
| Vestlyn Limited | Real estate | 2019 |
| Vianttra Limited | Real estate | 2026 |
| Viasan Limited | Professional & scientific | 2010 |
| Viaven London Ltd | Financial services | 2024 |
| Vibes Proper Ltd | Wholesale & retail | 2026 |
| Vidi Vici Associates Limited | Financial services | 2014 |
| Viega Limited | Other services | 2014 |
| Vieira Construction Ltd | Construction | 2022 |
| Vielectric Services Ltd | Construction | 2018 |
| View Property Developments Ltd | Real estate | 2017 |
| Viking Lighting Ltd | Information & communication | 2022 |
| Viking Purley Barbers Limited | Other services | 2026 |
| Vikol Healthcare Limited | Public administration | 2022 |
| Vintage Purley Barbrs Limited | Other services | 2020 |
| Vinyl Pressure Ltd | Manufacturing | 2023 |
| Vish Bala Ltd | Real estate | 2025 |
| Vision Pro Consultants Ltd | Professional & scientific | 2024 |
| Visionstone Properties Limited | Real estate | 2025 |
| Vistagrand Travel Limited | Administrative & support | 2025 |
| Visual Games Ltd | Financial services | 2023 |
| Visual Mysteries Ltd | Information & communication | 2023 |
| Viva Nails Limited | Other services | 2017 |
| Vivanta London Ltd | Professional & scientific | 2020 |
| Viviora Lifesciences Ltd | Wholesale & retail | 2024 |
| VK Homes Enterprises Ltd | Real estate | 2016 |
| Vladimir-Toni Limited | Hospitality | 2025 |
| VMS Catering Limited | Hospitality | 2024 |
| Vms(Uk) Ltd | Real estate | 2021 |
| Vndbd Properties Limited | Real estate | 2014 |
| VNS Property Limited | Real estate | 2023 |
| VNS Solutions Limited | Information & communication | 2015 |
| VOC (London) Limited | Professional & scientific | 1998 |
| Vonchen Ltd | Wholesale & retail | 2023 |
| Votica Ltd | Information & communication | 2025 |
| Vten Europe Ltd | Wholesale & retail | 2025 |
| W&A Property Ltd | Households | 2024 |
| W&H Healthcare Ltd | Other services | 2024 |
| Wacker Chemicals Limited | Wholesale & retail | 1977 |
| Wallington EYE Clinic Ltd | Health & social care | 2022 |
| Wanderlust Media Ltd | Information & communication | 2014 |
| Wanna Play Limited | Information & communication | 2000 |
| Wapeka Limited | Information & communication | 2003 |