| Urbanic Estates Limited | Extraterritorial | 2021 |
| Urbanlining Solutions Ltd | Construction | 2025 |
| Urbanpreneur Estates Ltd | Real estate | 2022 |
| Urbnhaus Ltd | Wholesale & retail | 2024 |
| Urchinomics Corporate Services Limited | Professional & scientific | 2020 |
| Urchinomics Explorations Limited | Professional & scientific | 2024 |
| Urchinomics Group Limited | Professional & scientific | 2024 |
| Urchinomics Impact Limited | Agriculture & fishing | 2023 |
| Urchinomics Limited | Financial services | 2023 |
| URI Projects Ltd | Real estate | 2024 |
| Urquhart Investments Ltd | Construction | 2021 |
| Ursu I.A. Ltd | Construction | 2020 |
| USA Nails Studio Ltd | Other services | 2016 |
| User Experience Design Limited | Information & communication | 2009 |
| USH Practice Limited | Professional & scientific | 2012 |
| Usha Homes Limited | Real estate | 2025 |
| Usher Commercial Solutions Limited | Financial services | 2018 |
| Usher Property Solutions Ltd | Real estate | 2025 |
| Usta Barber Ltd | Other services | 2024 |
| Ustad Foods PVT Ltd | Hospitality | 2026 |
| Usthad Hotel Ltd | Hospitality | 2024 |
| Ustrem 1934 Ltd | Hospitality | 2025 |
| Usuf M K-Ares Limited | Health & social care | 2015 |
| Utibilis Consulting Limited | Professional & scientific | 2015 |
| Utica Haulage Ltd | Transport & logistics | 2025 |
| Utilities Direct Connections Limited | Construction | 2025 |
| Utilities Direct Limited | Construction | 2007 |
| Utility Fasteners Limited | Manufacturing | 1998 |
| Utility People Ltd | Administrative & support | 2006 |
| Utopia Waste Management Limited | Construction | 2018 |
| Utopia-Uk Ltd | Agriculture & fishing | 2025 |
| Utopian Play Ltd | Professional & scientific | 2023 |
| UTS Advanced Ltd | Professional & scientific | 2020 |
| UTS Consulting Ltd | Professional & scientific | 2016 |
| UTS Corporate Ltd | Professional & scientific | 2018 |
| UTS Umbrella Ltd | Professional & scientific | 2017 |
| Uttersonic Limited | Arts & recreation | 2020 |
| Utugi Ltd | Education | 2025 |
| UV Corporations Ltd | Wholesale & retail | 2023 |
| Uwoodtoys Limited | Wholesale & retail | 2024 |
| Uzbchef Ltd | Manufacturing | 2026 |
| Uzbek Ltd | Health & social care | 2018 |
| UZI London Ltd | Wholesale & retail | 2017 |
| Uzma Khalid Limited | Health & social care | 2025 |
| V & K Retail Store Ltd | Wholesale & retail | 2024 |
| V Globally Ltd | Wholesale & retail | 2022 |
| V I Prestige Ltd | Construction | 2025 |
| V L Churchill & Co Ltd | Manufacturing | 2020 |
| V Life Trading Limited | Administrative & support | 2016 |
| V M Interiors and Drywall Solutions Limited | Construction | 2015 |
| V N Brothers Limited | Wholesale & retail | 2025 |
| V Star 2019 Limited | Real estate | 1960 |
| V TEL Communications Limited | Information & communication | 2013 |
| V&E Window Cleaning Ltd | Administrative & support | 2025 |
| V&I Brickwork Ltd | Construction | 2022 |
| V&M UK Trans Ltd | Wholesale & retail | 2021 |
| V&P Project Ltd | Construction | 2024 |
| V&T Interiors Limited | Construction | 2019 |
| V&V Limited | Construction | 2014 |
| V&V Transport Group Limited | Transport & logistics | 2025 |
| V'S Creative Studio Limited | Professional & scientific | 2025 |
| V.C Elite Construction Ltd | Construction | 2023 |
| V.C. Brickwork Ltd | Construction | 2024 |
| V.I.P Body Treatments Ltd | Other services | 2022 |
| V.K.S Property Group Ltd | Real estate | 2025 |
| V2 (UK) Limited | Transport & logistics | 2003 |
| V3C Ltd | Information & communication | 2019 |
| V400 Limited | Real estate | 2018 |
| V55 Ltd | Real estate | 2015 |
| VA Sales Ltd | Wholesale & retail | 2025 |
| Vaals DEE & Associates Ltd | Professional & scientific | 2025 |
| Vaarahi Foods Ltd | Wholesale & retail | 2024 |
| Vadim Expert-Trans Ltd | Construction | 2020 |
| Vadim Ltd | Construction | 2022 |
| VAG Recovery Services Ltd | Wholesale & retail | 2019 |
| Vagspek Ltd | Wholesale & retail | 2022 |
| Vagus Property Limited | Real estate | 2023 |
| Vaha Dining Ltd | Hospitality | 2026 |
| Vaha Enterprise Limited | Construction | 2023 |
| Vaida Construction Ltd | Construction | 2021 |
| Vaishaly Limited | Other services | 2011 |
| Vaishno Consultancy Services Ltd | Information & communication | 2014 |
| VAL Contractors Ltd | Construction | 2024 |
| VAL DE Hert Ltd | Transport & logistics | 2024 |
| VAL Delivery Ltd | Transport & logistics | 2021 |
| VAL Hassall Ltd | Professional & scientific | 2018 |
| VAL Logistic Ltd | Transport & logistics | 2021 |
| VAL Sabin Education Limited | Education | 2012 |
| VAL Sabin Qualifications Limited | Education | 2007 |
| Valcrest Enterprises Ltd | Wholesale & retail | 2025 |
| Vale Brook HR Limited | Administrative & support | 2022 |
| Vale Electrical (Northampton) Limited | Construction | 2023 |
| Vale Finance Limited | Financial services | 2018 |
| Vale Finance Services Limited | Professional & scientific | 2025 |
| Vale K9 Limited | Other services | 2021 |
| Valent Property UK Ltd | Real estate | 2023 |
| Valentin & Alex Limited | Transport & logistics | 2017 |
| Valentine Carpentry Services Ltd | Wholesale & retail | 2018 |
| Valentinlungu Ltd | Construction | 2015 |
| Valentintiu Driver Ltd. | Transport & logistics | 2016 |