| Umunc Ltd | Wholesale & retail | 2025 |
| Unbound Limited | Extraterritorial | 2012 |
| Undercroft 21 Raglan Road Management Company Limited | Households | 2002 |
| Undergreen Limited | Real estate | 2010 |
| Underwood Garden Maintenance Limited | Administrative & support | 2022 |
| Unicrib Search Ltd | Information & communication | 2025 |
| Union Straps Ltd | Wholesale & retail | 2020 |
| Unique Plumbing Ltd | Construction | 2015 |
| United Empire Solutions Ltd | Wholesale & retail | 2018 |
| Universal Assist Limited | Other services | 2019 |
| Universal Flowers of Spring Limited | Wholesale & retail | 2022 |
| Universal Wealth Ltd | Information & communication | 2020 |
| Unknott Consulting Ltd | Information & communication | 2026 |
| Unparalleled Hair Ewell Limited | Other services | 2016 |
| Unquietmusic Ltd | Information & communication | 2019 |
| Unstoppable by Design Ltd | Professional & scientific | 2025 |
| UP & OUT Lofts Limited | Construction | 2011 |
| Upceu Ltd | Wholesale & retail | 2026 |
| Uplands Court (Norwich) Freehold Limited | Households | 2019 |
| Upper Hand Digital Limited | Information & communication | 2014 |
| Uprate Limited | Information & communication | 2019 |
| Upright Properties Ltd | Real estate | 2020 |
| Upside Capital Partners Limited Liability Partnership | | 2009 |
| Urban Digital Labs Ltd | Information & communication | 2026 |
| Urban Event Structures Limited | Construction | 2015 |
| Urban Heat Ltd. | Other services | 2009 |
| Urban Shape Ltd | Administrative & support | 2017 |
| Urban Study Partners LP | | 2015 |
| US Auto and Outdoor Limited | Wholesale & retail | 2017 |
| Utilatech Engineering Ltd | Construction | 2021 |
| Utilico Emerging Markets Trust PLC | Financial services | 2017 |
| Utilised Ltd | Professional & scientific | 2023 |
| Utility 4 Dentists Ltd | Professional & scientific | 2023 |
| Utopia Garden Design Ltd | Administrative & support | 2019 |
| Uzun Supply Ltd | Wholesale & retail | 2026 |
| V & B Cleaning Limited | Other services | 2012 |
| V S & T Limited | Construction | 2005 |
| V Sagar Enterprises Limited | Households | 2015 |
| V&A Property Investments Ltd | Real estate | 2020 |
| V&V Services Ltd | Construction | 2023 |
| Vagios Medical Ltd | Health & social care | 2015 |
| Vagmine Limited | Information & communication | 2023 |
| Valcrest Construction Ltd | Construction | 2026 |
| Vale Health Partners Limited | Health & social care | 2006 |
| Vale Healthcare Limited | Health & social care | 2001 |
| Valens Wealth Management Ltd | Financial services | 2019 |
| Valerie Court RTM Company Limited | Households | 2010 |
| Valley Retail Ltd | Wholesale & retail | 2025 |
| Valley Road SPV Limited | Real estate | 2021 |
| Valley Tans Ltd | Other services | 2025 |
| Valorwear Ltd | Manufacturing | 2018 |
| Valuable Witness Limited Liability Partnership | | 2011 |
| Value Collective Ltd | Information & communication | 2025 |
| Valueai Limited | Information & communication | 2023 |
| Van Deadlocks and Security Ltd | Wholesale & retail | 2023 |
| Van Deadlocks Ltd | Wholesale & retail | 2023 |
| Vang Group Ltd | Wholesale & retail | 2019 |
| Vantage Residents Management Company Limited | Households | 2005 |
| Vantaro Trading Ltd | Wholesale & retail | 2026 |
| Vantier Ltd | Professional & scientific | 2025 |
| Vanwall Business Park Management Company Limited | Real estate | 1985 |
| Vanwall Road Management Company Limited | Real estate | 1989 |
| Varden Club Holdings Ltd | Financial services | 2026 |
| Varden Club IP Ltd | Financial services | 2026 |
| Vardenclub Limited | Wholesale & retail | 2025 |
| Vardon Limited | Professional & scientific | 1998 |
| Vasireddy Ltd | Real estate | 2024 |
| Vastali Ltd | Wholesale & retail | 2020 |
| Vauxilium Ltd. | Professional & scientific | 2015 |
| VCN Holdings Ltd | Administrative & support | 2021 |
| VCT Consultancy Limited | Professional & scientific | 2026 |
| Vector Technology Consulting Limited | Administrative & support | 2021 |
| Veerap Consultancy Services Ltd. | Professional & scientific | 2014 |
| Vegass Ltd | Construction | 2014 |
| Vehicle Leasing & Management Limited | Financial services | 2016 |
| Velavanguard Ltd | Information & communication | 2024 |
| Vellanki Ltd | Information & communication | 2021 |
| Velocity Capital Advisors Ltd | Professional & scientific | 2015 |
| Velocity Corporate Directors Limited | Extraterritorial | 2018 |
| Velocity Credit Advisors Limited | Professional & scientific | 2019 |
| Velocity Credit Growth I Limited | Financial services | 2020 |
| Velocity Group Holdings Limited | Financial services | 2026 |
| Vend-It Solutions Limited | Wholesale & retail | 2024 |
| Vendifygo Ltd | Wholesale & retail | 2025 |
| Vendlogix Limited | Wholesale & retail | 2025 |
| Veni Vici Global Ltd | Wholesale & retail | 2024 |
| Ventaco Ltd | Construction | 2026 |
| Ventnor Park (Sutton) Residents Company Limited | Households | 1972 |
| Ventures South West Limited | Real estate | 2002 |
| Venturo Racing Ltd | Arts & recreation | 2025 |
| Verdiax Limited | Information & communication | 2025 |
| Verley Ltd | Hospitality | 2018 |
| Vernon Walk Limited | Construction | 2023 |
| Vertical Product Design Ltd | Wholesale & retail | 2016 |
| VEW Consultancy Limited | Professional & scientific | 2016 |
| Veziroglu Consulting Ltd | Information & communication | 2026 |
| Veziroglu Ltd | Financial services | 2026 |
| Vfit Ewell Limited | Arts & recreation | 2022 |
| VHC Consulting Ltd | Information & communication | 2026 |
| Vibe Body Conditioning Ltd | Arts & recreation | 2026 |