| Universal Industrial Services (Yorkshire) Limited | Construction | 1999 |
| Universal Industrial Services LLP | | 2002 |
| Universal Plant Services Ltd | Other services | 2011 |
| Universal Print on Demand UK Limited | Manufacturing | 2015 |
| Universal Solutions 75 Limited | Wholesale & retail | 2025 |
| Uniwaste Ltd | Water & waste | 2023 |
| Unleashed K9 Marketing Ltd | Professional & scientific | 2024 |
| Unorthodox Barbers Ltd | Other services | 2019 |
| Unspun Digital Limited | Information & communication | 2023 |
| UP Project Management Ltd | Construction | 2026 |
| UP Training and Consultancy Ltd | Education | 2025 |
| UP2SPEED Marketing Limited | Information & communication | 2022 |
| Upgrowth Therapy Ltd | Health & social care | 2022 |
| Uplands (Woolley Bridge) Management Company Limited | Households | 2025 |
| Uplift Flooring Limited | Construction | 2020 |
| Upperfield Consulting Ltd | Real estate | 2017 |
| Upright Partitions and Ceilings Limited | Extraterritorial | 2013 |
| Uproot Homes Limited | Real estate | 2021 |
| Upserp Digital Ltd | Professional & scientific | 2022 |
| Upuk Ltd | Construction | 2026 |
| Upvc Kolortech Ltd | Construction | 2020 |
| Urban Carz Ltd | Transport & logistics | 2023 |
| Urban Living (Grimsby) Ltd | Hospitality | 2024 |
| Urban Mechanical Contractors Ltd | Construction | 2018 |
| Urban Renewable Power Limited | Construction | 2024 |
| Urban Space Land Limited | Extraterritorial | 2011 |
| Urban Vintage 786 Ltd | Other services | 2024 |
| Ursascope Limited | | 1985 |
| Urve Ltd. | Information & communication | 2014 |
| Useon Extrusion (Europe) Ltd | Manufacturing | 2015 |
| USJ Transport Ltd | Transport & logistics | 2026 |
| Usmanr Ltd | Health & social care | 2023 |
| Utilities & Recruitment Services Limited | Construction | 2023 |
| Utility Bubble Limited | Energy | 2017 |
| Utility Construction Ltd | Administrative & support | 2021 |
| Utility Source Limited | Professional & scientific | 2018 |
| Utley Group Limited | Real estate | 2018 |
| UTM (Yorkshire) Limited | Real estate | 2019 |
| UTM Property Ltd | Construction | 2022 |
| UTM Smoke Ltd | Hospitality | 2024 |
| UTM Transport Ltd | Transport & logistics | 2013 |
| UTO Developments Limited | Construction | 2013 |
| Utopia Interiors Group Ltd | Construction | 2021 |
| Utopia Properties Group Ltd | Real estate | 2022 |
| Uttley Group Holdings Ltd | Construction | 2025 |
| Uzma Property Investments Ltd | Real estate | 2025 |
| V-Comunico Limited | Administrative & support | 2010 |
| V-Recruit (Recruitment Services) Ltd | Administrative & support | 2021 |
| V-Recruit Holdings Ltd | Administrative & support | 2026 |
| V/Sual Ltd | Information & communication | 2015 |
| VAB Fruits Ltd | Wholesale & retail | 2026 |
| Vagwan Ltd | Wholesale & retail | 2017 |
| Vaillant Repair Service Ltd | Construction | 2025 |
| VAL Spray Coatings Limited | Construction | 2026 |
| Valentin Andrei Ltd | Transport & logistics | 2018 |
| Valentine Transport Solutions Ltd | Wholesale & retail | 2021 |
| Valentino's Hair & Beauty Limited | Other services | 2013 |
| Valerie Dunsford Educational Consultancy Services Ltd | Education | 2020 |
| Vallance Holdings Limited | Financial services | 2020 |
| VALUE10X Ltd | Information & communication | 2025 |
| Van Diesel Couriers Ltd | Transport & logistics | 2021 |
| Vanacomm Ltd | Manufacturing | 2010 |
| Vanclinic Limited | Wholesale & retail | 2024 |
| Vanderlay Interiors Ltd | Wholesale & retail | 2020 |
| Vanguard Scaffolding Ltd | Construction | 2024 |
| Vanquish Plastering Ltd | Construction | 2019 |
| Vanshika Kaamra Consultancy Limited | Other services | 2024 |
| Vantage Goods Ltd | Wholesale & retail | 2025 |
| Vantrec Limited | Wholesale & retail | 2011 |
| Vape Edlington Limited | Wholesale & retail | 2017 |
| Vapegb (Cudworth) Limited | Wholesale & retail | 2024 |
| Vapegb Limited | Manufacturing | 2013 |
| Vapeplug (Rotherham) Limited | Wholesale & retail | 2024 |
| Vapes & Fireworks Ltd | Wholesale & retail | 2025 |
| Vapexel Ltd | Wholesale & retail | 2026 |
| Varker Facades Ltd | Construction | 2018 |
| Varo Builders Ltd | Construction | 2005 |
| Vataj Pro Ltd | Hospitality | 2026 |
| Vaughan Lettings Ltd | Real estate | 2024 |
| Vaughan's Enterprise Limited | Hospitality | 2020 |
| Vault Box Self Storage Limited | Transport & logistics | 2023 |
| Vault Developments Ltd | Real estate | 2018 |
| Vcms Holdings Ltd | Professional & scientific | 2017 |
| VDH Developments Limited | Real estate | 2014 |
| Vector RTK Ltd | Professional & scientific | 2021 |
| Vector X-Cel Ltd | Manufacturing | 2019 |
| Veedol UK Limited | Manufacturing | 1998 |
| Vegeneration 20 Limited | Other services | 2020 |
| Vehicle Dismantlers (South Yorkshire) Ltd | Wholesale & retail | 2022 |
| Vehicle Lift Spares Ltd | Manufacturing | 2009 |
| Velocity Steel Ltd | Manufacturing | 2022 |
| Velora Goods Ltd | Manufacturing | 2026 |
| Velora Property Group Ltd | Construction | 2026 |
| Velorise Ltd | Wholesale & retail | 2025 |
| Veloviewer Limited | Information & communication | 2014 |
| Veluco Ltd | Construction | 2022 |
| Vendivending Ltd | Wholesale & retail | 2025 |
| VENDWITHUS247 Ltd | Wholesale & retail | 2025 |
| Veneta Services Limited | Transport & logistics | 2019 |
| Venkurt Limited | Education | 2019 |