| Upper Echelon Cars Ltd | Wholesale & retail | 2024 |
| Upper Lake Developments Ltd | Real estate | 2026 |
| Uptown Car Hire Ltd | Administrative & support | 2022 |
| Uptown Couriers Limited | Transport & logistics | 2019 |
| UR Accounts and Bookkeeping Services Limited | Professional & scientific | 2024 |
| UR Estates Limited | Real estate | 2018 |
| UR Hands Care Limited | Health & social care | 2015 |
| Urary Ltd | Wholesale & retail | 2026 |
| URB Empire Ltd | Real estate | 2023 |
| URB Foods Ltd | Hospitality | 2022 |
| URB Recruitment Ltd | Administrative & support | 2019 |
| Urban & General Limited | Real estate | 2016 |
| Urban and City Traders Ltd | Administrative & support | 2020 |
| Urban Creations & Services Ltd | Manufacturing | 2023 |
| Urban Drivers Ltd | Transport & logistics | 2022 |
| Urban Estore Ltd | Wholesale & retail | 2026 |
| Urban Foundations Ltd | Construction | 2024 |
| Urban Grandeur London Ltd | Wholesale & retail | 2021 |
| Urban Habitat Builders Ltd | Construction | 2023 |
| Urban Homes Build Limited | Construction | 2023 |
| Urban Linkup Ltd | Real estate | 2024 |
| Urban Loop Commerce Limited | Wholesale & retail | 2026 |
| Urban Luxe Ltd | Other services | 2025 |
| Urban Pipes Ltd | Construction | 2025 |
| Urbanfleek.Co.Uk Limited | Wholesale & retail | 2018 |
| Urbanline Property Management Limited | Professional & scientific | 1987 |
| Urbanmint Bites Ltd | Hospitality | 2024 |
| Urbannest Supplies Ltd | Wholesale & retail | 2025 |
| Urbanpb Logistics Ltd | Transport & logistics | 2025 |
| Urbansouq Ltd | Wholesale & retail | 2025 |
| Urbanworld Limited | Information & communication | 2003 |
| Urgent Serves Ltd | Administrative & support | 2025 |
| Uronn Ltd | Wholesale & retail | 2026 |
| Urusrecruitment Ltd | Administrative & support | 2024 |
| Urzica Builders Ltd | Construction | 2014 |
| US Private Hire Limited | Transport & logistics | 2025 |
| Usamah Khan Holdings Ltd | Construction | 2023 |
| USD Locum Ltd | Health & social care | 2018 |
| Usman Irshad Consulting Ltd | Information & communication | 2022 |
| Usman Property Ltd | Real estate | 2026 |
| Usmania Trading Services Ltd | Administrative & support | 2025 |
| Usomi Freights Limited | Other services | 2025 |
| USP Spa Ltd | Other services | 2025 |
| Ustun Analytica Limited | Information & communication | 2022 |
| Ustun Properties Ltd | Real estate | 2025 |
| Utonn Limited | Information & communication | 2026 |
| Uunique Trading Ltd | Wholesale & retail | 2022 |
| UV Solar Limited | Energy | 2025 |
| Uverspace Ltd | Hospitality | 2021 |
| Uvidavital Limited | Wholesale & retail | 2025 |
| UZ Security Ltd | Administrative & support | 2025 |
| Uzma and Ghizala Investments Limited | Real estate | 2024 |
| V & B Paving Limited | Construction | 2012 |
| V B I Group Ltd | Construction | 2023 |
| V Consultancy Limited | Administrative & support | 2006 |
| V I Vamesu Ltd | Construction | 2015 |
| V Rose Associates Limited | Real estate | 2017 |
| V S Jaswal Construction Limited | Construction | 2022 |
| V Shine Bright Cleaning Ltd | Administrative & support | 2024 |
| V Star London Ltd | Wholesale & retail | 2016 |
| V&A Solutions Ltd | Information & communication | 2021 |
| V&K Mobile Solutions Ltd | Wholesale & retail | 2019 |
| V-Tech & Management Ltd | Information & communication | 2012 |
| V.I.P. Cars Ltd | Wholesale & retail | 2022 |
| V1 Sales and Marketing Limited | Professional & scientific | 2015 |
| V4 Tech Recruitment Solutions Limited | Administrative & support | 2025 |
| V4U Properties Ltd | Real estate | 2023 |
| V4U Traders Ltd | Construction | 2023 |
| VA Legal Ltd | Professional & scientific | 2021 |
| VA Property Sales & Lettings Limited | Real estate | 2006 |
| VA Property Sales Ltd | Real estate | 2014 |
| Vaas Group Limited | Manufacturing | 2016 |
| Vaatsalya Consultancy Limited | Information & communication | 2015 |
| VAC Construction Ltd | Construction | 2019 |
| VAC Properties Limited | Real estate | 2023 |
| Vadis UK Consult Ltd | Transport & logistics | 2019 |
| Vadserv Ltd | Information & communication | 2022 |
| Vaib Ltd | Wholesale & retail | 2026 |
| Vaidym Ltd | Manufacturing | 2025 |
| Vakshi UK Ltd | Wholesale & retail | 2022 |
| VAL Developments Ltd | Other services | 2021 |
| VAL Flooring Ltd | Construction | 2019 |
| VAL Painting&Decorating Ltd | Construction | 2025 |
| VAL Utilities Limited | Construction | 2018 |
| VAL VGB Limited | Transport & logistics | 2025 |
| Valachi Asset Management Limited | Real estate | 2017 |
| Valdas Woodworking Ltd | Manufacturing | 2013 |
| Valdosa Tech Solutions Limited | Information & communication | 2025 |
| Vale Court (Cranfield) Management Company Limited | Administrative & support | 1986 |
| Vale Roofing 247 Ltd | Construction | 2026 |
| Valenti Services Ltd | Administrative & support | 2019 |
| Valerian Property Holdings Limited | Real estate | 2024 |
| Valerian Property Services Limited | Real estate | 2023 |
| Valestone Group Ltd | Construction | 2026 |
| Vali Drylining Ltd | Construction | 2015 |
| Valley Lane Investments Ltd | Real estate | 2016 |
| Valm Transport Ltd | Transport & logistics | 2023 |
| Valor Barbers Ltd | Other services | 2025 |
| Valora Stays Ltd | Hospitality | 2026 |
| Valoredge Ltd | Wholesale & retail | 2026 |