| Underground Studios CIC | Information & communication | 2021 |
| Underhill Family Investment Limited | Real estate | 2024 |
| UNI Realisations 2026 Limited | Manufacturing | 2017 |
| Uniclaws Ltd | Other services | 2024 |
| Unicorn Property Services Ltd | Real estate | 2016 |
| Union Pension Trustees Limited | Professional & scientific | 1991 |
| Unique Aerospace Limited | Professional & scientific | 2011 |
| Unit 8 Solutions Ltd | Other services | 2022 |
| Unitech Systems Limited | Information & communication | 2008 |
| Unitmerge Property Management Limited | Households | 1988 |
| Universal Business Intelligence Limited | Professional & scientific | 2013 |
| Universal Contracting Limited | Construction | 2012 |
| Univoco Ltd | Information & communication | 2024 |
| Unorthodox Properties Limited | Real estate | 2024 |
| Unputdownable (Property) Ltd | Real estate | 2020 |
| Unputdownable Limited | Arts & recreation | 2014 |
| Unstuck Design Limited | Financial services | 2008 |
| Unstuck Studio Limited | Professional & scientific | 2021 |
| UP 'N' UP Productions CIC | Arts & recreation | 2026 |
| Upcycled Ltd | Water & waste | 2014 |
| Upholsta Ltd | Information & communication | 2019 |
| Uplift Property Limited | Real estate | 2013 |
| Upton Noble 404 Ltd | Manufacturing | 2019 |
| Urban Order Limited | Professional & scientific | 2024 |
| Urban Shield VPN UK Ltd | Wholesale & retail | 2025 |
| Urbane Projects Ltd | Administrative & support | 2020 |
| Urbanmove Taxi Ltd | Transport & logistics | 2025 |
| Urchin Studios Limited | Information & communication | 2015 |
| Urturn Limited | Wholesale & retail | 2022 |
| Utopia Bay Limited | Arts & recreation | 2020 |
| Utterly Social Limited | Administrative & support | 2013 |
| Uuluyol Limited | Hospitality | 2019 |
| V and I Holdings Limited | Real estate | 2025 |
| V W Evolution Limited | Wholesale & retail | 2006 |
| V&G Cleaning Ltd | Administrative & support | 2026 |
| V-Tec Automotive Salisbury 2010 Limited | Wholesale & retail | 2010 |
| V60 Projects Ltd | Professional & scientific | 2024 |
| VAL Walker Ltd | Education | 2014 |
| Valley Landscapes & Tree Care Limited | Agriculture & fishing | 2003 |
| Valley Leisure Limited | Arts & recreation | 1987 |
| Valley Park II Peterborough Management Company Limited | Households | 2006 |
| Valley Paving and Landscapes Limited | Professional & scientific | 2020 |
| Value Airport Transfers Limited | Transport & logistics | 2015 |
| Value Engineering Limited | Manufacturing | 2006 |
| Vandl Clothing Ltd | Wholesale & retail | 2026 |
| Vanners Court Management Company Limited | Households | 2013 |
| Vanquish Hardware Protection Limited | Other services | 2020 |
| Vanrax (Salisbury) Limited | Administrative & support | 2009 |
| Vapourmist Solutions Limited | Construction | 2014 |
| Vardons Keep Management Company Limited | Households | 2022 |
| Vaughanson Limited | Professional & scientific | 2014 |
| VB Contractors Limited | Construction | 2007 |
| VCG Property Limited | Real estate | 2017 |
| VD Property Investment Ltd | Real estate | 2025 |
| Vector-Foiltec Limited | Construction | 1995 |
| Vectorpointspatial Ltd | Professional & scientific | 2025 |
| Vega Projects Limited | Construction | 2020 |
| Vegan Fairs CIC | Hospitality | 2026 |
| Velaplan Limited | Construction | 2012 |
| Velapp Limited | Information & communication | 2015 |
| Venditum Residential Sales Limited | Administrative & support | 2014 |
| Venta Compliance Limited | Administrative & support | 2004 |
| Ventura Inversiones Ltd | Real estate | 2022 |
| Venturablue Ltd | Wholesale & retail | 2023 |
| Venture Construction & Modular Solutions Ltd | Construction | 2025 |
| Venture Marine Ltd | Administrative & support | 2011 |
| Verdego Garden Rooms Ltd | Construction | 2022 |
| Verdego Group Ltd | Construction | 2022 |
| Verdego Timber Frames Ltd | Construction | 2016 |
| Verdet Limited | Real estate | 2019 |
| Verdure Gardening Ltd | Administrative & support | 2020 |
| Verg Systems Ltd | Information & communication | 2024 |
| Verigy Limited | Information & communication | 2024 |
| Vernon Street Property Limited | Real estate | 2004 |
| Vero Sicurezza Ltd | Manufacturing | 2016 |
| Verology Limited | Manufacturing | 2025 |
| Verona Apartments Management Limited | Households | 2015 |
| Versineer Ltd | Information & communication | 2004 |
| Verticalis Energy Ltd | Professional & scientific | 2021 |
| Verve Financial Limited | Financial services | 2017 |
| Vesper Carpentry and Construction Limited | Construction | 2016 |
| Vestor Investment Partners Limited | Financial services | 2025 |
| VET Freedom Limited | Professional & scientific | 2002 |
| Viafik Ltd | Transport & logistics | 2018 |
| Viafin-Atlas Limited | Manufacturing | 2005 |
| Viamat International Limited | Information & communication | 2016 |
| Vickers Facilities Management Services Ltd | Professional & scientific | 2018 |
| Victor Bravo Ltd | Extraterritorial | 2010 |
| Victor Stewart Limited | Administrative & support | 2026 |
| Victor Stewart Probate Services Limited | Professional & scientific | 2026 |
| Victoria Caldwell Design Limited | Professional & scientific | 2010 |
| Victoria Court Morley (Management Company) Limited | Households | 2002 |
| Victoria Fields Management Company Limited | Households | 2010 |
| Victoria Hall Tisbury Ltd | Real estate | 2006 |
| Victoria Heights (Alphington) Management Company Limited | Real estate | 2020 |
| Victoria House 888 Limited | Hospitality | 2021 |
| Victoria Mills Studios RTM Company Limited | Households | 2007 |
| Victoria Park Tennis Limited | Arts & recreation | 2001 |
| Victoria Pembroke Interiors Ltd | Arts & recreation | 2022 |
| Vigar Keane Limited | Construction | 2023 |