| Urban Guerrilla Ltd | Wholesale & retail | 2024 |
| Urban Oasis Gyms Limited | Arts & recreation | 2011 |
| Urban Self Store Ltd | Real estate | 2024 |
| URBAN3NETWORK Ltd | Wholesale & retail | 2017 |
| Urbanpik Ltd | Wholesale & retail | 2022 |
| Urbanretreats Ltd | Real estate | 2025 |
| Urbanroots Groundworks Ltd | Administrative & support | 2026 |
| Urbanslot Property Management Limited | Households | 1987 |
| URC Construction Private (UK) Limited | Construction | 2024 |
| Uremovals Ltd | Wholesale & retail | 2022 |
| Ursa Supplies Ltd | Wholesale & retail | 2023 |
| Usarve Limited | Wholesale & retail | 2023 |
| Useedge Ltd | Information & communication | 2026 |
| Useful for Humans Limited | Information & communication | 2026 |
| User Friendly Tools Limited | Manufacturing | 2016 |
| User-X Ltd | Information & communication | 2006 |
| USF Educational Consultancy Ltd | Education | 2025 |
| Usool Ltd | Wholesale & retail | 2024 |
| Utile CTG Ltd | Wholesale & retail | 2025 |
| Utile Florida Ltd | Wholesale & retail | 2025 |
| Utiliteasy Limited | Information & communication | 2026 |
| Utopian Living Ltd | Real estate | 2019 |
| Utting Property Ltd | Real estate | 2025 |
| Uvark Ltd | Wholesale & retail | 2026 |
| UX ETC Ltd | Information & communication | 2026 |
| Uxfam Ltd | Information & communication | 2012 |
| Uzay Toprak Ltd | Hospitality | 2024 |
| V & G Equestrian Services Limited | Agriculture & fishing | 2017 |
| V & S Property Investments Ltd | Real estate | 2023 |
| V. Gopal Ltd. | Health & social care | 2015 |
| V. Lengvinas Limited | Transport & logistics | 2026 |
| V.Bukauskas Ltd | Transport & logistics | 2024 |
| V.Montvydas Limited | Transport & logistics | 2026 |
| V15 Enterprises Ltd | Wholesale & retail | 2013 |
| V8 Transport Limited | Transport & logistics | 2021 |
| VA Claims & Recoveries Ltd | Administrative & support | 2016 |
| Vacs Indian Ltd | Hospitality | 2025 |
| Vadovas Ltd | Transport & logistics | 2019 |
| Vaeda Limited | Information & communication | 2026 |
| Vagest Ltd | Health & social care | 2023 |
| Vahri's Limited | Wholesale & retail | 2023 |
| Valand Property Group Ltd | Construction | 2020 |
| Vale Interiors Limited | Construction | 1995 |
| Valedane Limited | Construction | 2008 |
| Valeforge Group Holdings Ltd | Extraterritorial | 2023 |
| Valencia Real Estate Limited | Real estate | 2020 |
| Valentines Park Cafe Limited | Hospitality | 2008 |
| Valet Spa (Worldwide) Limited | Administrative & support | 2015 |
| Valiance Digital Limited | Information & communication | 2025 |
| Valiant Build Ltd | Real estate | 2012 |
| Valiant Build Topco Limited | Financial services | 2024 |
| Valley RD Press CIC | Information & communication | 2023 |
| Valour Axis Ltd | Administrative & support | 2026 |
| Valtom Estates Limited | Real estate | 2025 |
| Value Ltd | Wholesale & retail | 2025 |
| Value Property Group Ltd | Construction | 2025 |
| Valuebest Ltd | Wholesale & retail | 2026 |
| Values for Development Limited | Professional & scientific | 2013 |
| Valvesource Ltd | Wholesale & retail | 2009 |
| VAM Guide Ltd | Administrative & support | 2019 |
| Van Furniture Limited | Manufacturing | 2020 |
| Van Outheusden Consulting Limited | Professional & scientific | 2015 |
| Vandome Consulting Limited | Information & communication | 2016 |
| Vanessa Elston Ltd | Health & social care | 2023 |
| Vanguard Travel & Services Ltd | Professional & scientific | 2012 |
| Vani Ventures Ltd | Administrative & support | 2024 |
| Vani Vortex Ltd | Extraterritorial | 2024 |
| Vanilla Sky London Limited | Information & communication | 2013 |
| Vanta Bridge Ltd | Wholesale & retail | 2026 |
| Vantage Learning and Development Limited | Administrative & support | 2013 |
| Vantagebridge Limited | Information & communication | 2024 |
| Vantexa Trading Ltd | Wholesale & retail | 2026 |
| Vantrad Ltd | Real estate | 2020 |
| Vantris Ltd | Information & communication | 2026 |
| Vapd Ltd | Wholesale & retail | 2022 |
| Vapourholics Ltd | Wholesale & retail | 2016 |
| Vapourtec Ltd | Manufacturing | 2003 |
| Vast Vision Ltd | Manufacturing | 2019 |
| Vastmet Ltd | Wholesale & retail | 2021 |
| Vault Brand Clearance Ltd | Wholesale & retail | 2026 |
| Vault Motorsport Limited | Wholesale & retail | 2026 |
| Vbtl Limited | Transport & logistics | 2017 |
| VCL Medicare Ltd | Wholesale & retail | 2024 |
| VCR Limited | Wholesale & retail | 2021 |
| Vealist Enterprise Ltd | Administrative & support | 2026 |
| Veeach Limited | Wholesale & retail | 2012 |
| Vegan Times Ltd | Extraterritorial | 2019 |
| Vehicle Air Conditioning and Heating Services Limited | Wholesale & retail | 1998 |
| Vehicle Logistical Services Limited | Transport & logistics | 2019 |
| Vehiso Ltd | Information & communication | 2022 |
| Veil & Value Ltd | Wholesale & retail | 2026 |
| Veiorc & Sons Ltd | Financial services | 2025 |
| Vekotec Ltd | Wholesale & retail | 2025 |
| Vela Yachts Ltd | Administrative & support | 2026 |
| Velden Solutions Ltd | Professional & scientific | 2025 |
| Velisha London Ltd | Wholesale & retail | 2019 |
| Velkap Limited | Information & communication | 2025 |
| Vellunestudio Ltd | Wholesale & retail | 2026 |
| Velnoroa Ltd | Wholesale & retail | 2026 |
| Veloce Race Engines Ltd | Arts & recreation | 2022 |