| TY Barnett Ltd | Real estate | 2025 |
| Tyberius Ltd | Professional & scientific | 2019 |
| Tyler Packaging Holdings Limited | Financial services | 2016 |
| Tyler Packaging Limited | Wholesale & retail | 1982 |
| Typus Ltd | Information & communication | 2015 |
| Tyre World Kenilworth Limited | Wholesale & retail | 2015 |
| Tyson Textiles Limited | Manufacturing | 2009 |
| U Store Self Storage UK Limited | Administrative & support | 2012 |
| U-Exist Limited | Wholesale & retail | 2017 |
| U-Pro Solution Ltd Ltd. | Construction | 2024 |
| U-Store Harbury Lane Limited | Other services | 2016 |
| U-Store Harbury Limited | Other services | 2016 |
| U-Store Leamington Limited | Transport & logistics | 2013 |
| U-Store Self Storage Limited | Administrative & support | 2001 |
| U-Store Warwick Limited | Transport & logistics | 2013 |
| U-Store Warwickshire Limited | Transport & logistics | 2013 |
| Ubeek Ltd | Construction | 2025 |
| Uber Network Limited | Professional & scientific | 2020 |
| UCD Consulting Limited | Information & communication | 2011 |
| UD Prop Ltd | Real estate | 2025 |
| UE Acquisition Co Ltd | Professional & scientific | 2020 |
| UGS Group UK Ltd | Financial services | 2025 |
| UK Artists Limited | Wholesale & retail | 2010 |
| UK Business and Finance Solutions Ltd | Financial services | 2017 |
| UK Nails Leamington Spa Ltd | Other services | 2022 |
| UK National Committee on China CIC | Education | 2020 |
| UK Phone Zone Ltd | Wholesale & retail | 2025 |
| UK Silent Discos Limited | Administrative & support | 2025 |
| Ukncc Ltd | Professional & scientific | 2025 |
| Ukpiragua Limited | Manufacturing | 2026 |
| Ukps Ltd | Administrative & support | 2009 |
| Ultimate Access West Midlands Ltd | Construction | 2021 |
| Ultimate Artistes Limited | Arts & recreation | 2015 |
| Ultimation Projects Ltd | Construction | 2013 |
| Ultrascan Limited | Health & social care | 2004 |
| Umber Design Ltd | Administrative & support | 2020 |
| Union Fiftyfour Limited | Financial services | 2015 |
| Union Pest Control Ltd | Agriculture & fishing | 2026 |
| Uniqutor UNI Limited | Education | 2023 |
| United Green Steel UK Ltd | Manufacturing | 2025 |
| Unitrip Limited | Administrative & support | 2026 |
| Unity Architects Limited | Professional & scientific | 2015 |
| Universal Care Group Limited | Health & social care | 2023 |
| Universal Care Property Group Limited | Construction | 2023 |
| UNM Private Ltd | Wholesale & retail | 2024 |
| Unpack Your Life Ltd | Transport & logistics | 2024 |
| Unsworth Property Developments Ltd | Real estate | 2025 |
| Upgrade Coaching Ltd | Administrative & support | 2020 |
| UPLIFT22 Ltd | Arts & recreation | 2022 |
| Uppso Ltd | Professional & scientific | 2019 |
| UR International Group Ltd | Wholesale & retail | 2020 |
| Urban Calisthenics Ltd | Arts & recreation | 2025 |
| Urban Chameleon Ltd | Financial services | 2025 |
| Urban Construction Rugby Limited | Construction | 2022 |
| Urban Kingdoms Ltd | Real estate | 2019 |
| Urban Point Construction Limited | Construction | 2024 |
| Urban SF Limited | Professional & scientific | 2018 |
| Ureactor Limited | Water & waste | 2021 |
| Urquhart Homes Ltd | Real estate | 2025 |
| Ursus Consulting Limited | Administrative & support | 2005 |
| Usenga Consultancy Ltd | Public administration | 2019 |
| User Central Limited | Information & communication | 2016 |
| UT Consulting Ltd | Professional & scientific | 2025 |
| Utility Mapping Group (UK) Limited | Professional & scientific | 2018 |
| Utility Solutions Provider Ltd | Other services | 2015 |
| V&A Consulting Limited | Health & social care | 2025 |
| Vacca Nutrition Limited | Wholesale & retail | 2026 |
| Valar Systems Limited | Financial services | 2025 |
| Valhard Janitorial Supplies Limited | Wholesale & retail | 2001 |
| Validera Hb&O Ltd | Administrative & support | 2025 |
| Valledale Limited | Information & communication | 2018 |
| Valles at the Basement Limited | Hospitality | 2017 |
| Valo Consultancy Limited | Professional & scientific | 2019 |
| Valor Legacy Ltd | Real estate | 2025 |
| Vanity Club Couture Ltd | Wholesale & retail | 2021 |
| Varedrive Limited | Manufacturing | 2023 |
| Varitek Global Limited | Wholesale & retail | 2007 |
| Varley Hibbs LLP | | 2004 |
| Varsity Leisure Group Limited | Arts & recreation | 2007 |
| Vasstech Holdings Limited | Financial services | 2020 |
| Vastec Limited | Wholesale & retail | 2011 |
| VAT Vacuum Products Limited | Wholesale & retail | 1989 |
| VC Facade Ltd | Construction | 2023 |
| Vcreate Tech Global Limited | Information & communication | 2025 |
| VDN Limited | Real estate | 2021 |
| VE1 Limited | Real estate | 2025 |
| Vecterdrive Ltd | Professional & scientific | 2026 |
| Vectura Consulting Limited | Professional & scientific | 2025 |
| Vedic Hatha Vinyasa Yoga Ashram Ltd | Education | 2025 |
| Vegan Concept Limited | Hospitality | 2019 |
| Vehicle Dynamics Consultancy Ltd | Professional & scientific | 2019 |
| Vekktar Ltd | Professional & scientific | 2026 |
| Velochrome Studios Limited | Construction | 2023 |
| Velom Associated Distribution Limited | Construction | 2016 |
| Velotech Services Limited | Wholesale & retail | 2008 |
| Veltis AI Ltd | Information & communication | 2025 |
| Venbetty Limited | Other services | 2015 |
| Ventec Europe Ltd | Administrative & support | 2006 |
| Verano Cyber Ltd | Information & communication | 2026 |
| Verdure Foods Limited | Wholesale & retail | 2022 |