| Uniq Agency Ltd | Professional & scientific | 2017 |
| Unique Cleaning Systems Ltd | Administrative & support | 2013 |
| Unique Garden Retreats Limited | Construction | 2024 |
| Unique Islamic Art Limited | Wholesale & retail | 2023 |
| UNIQUE3D Ltd | Wholesale & retail | 2025 |
| United Gates Limited | Construction | 2018 |
| United Growth Holdings Ltd | Wholesale & retail | 2023 |
| United of London Ltd | Wholesale & retail | 2024 |
| Unzippd Ltd | Professional & scientific | 2023 |
| UOB Engineering Services Limited | Construction | 2006 |
| UOB Training Limited | Professional & scientific | 2005 |
| Upper Cars Limited | Transport & logistics | 2025 |
| Upper Heyford 2 LLP | | 2025 |
| Upper Heyford GP Holdings 2 Ltd | Financial services | 2016 |
| Upper Heyford GP Holdings Ltd | Financial services | 2016 |
| Upperseek Limited | Extraterritorial | 1988 |
| Upton Associates Limited | Professional & scientific | 2026 |
| Uptown Catering Ltd | Hospitality | 2025 |
| Upwood Media Ltd | Information & communication | 2023 |
| Uraco Fashion UK Limited | Wholesale & retail | 2013 |
| Urbanora Ltd | Wholesale & retail | 2026 |
| Ustaaadz Pizza Ltd | Hospitality | 2026 |
| Ustaadz Pizza Ltd | Hospitality | 2025 |
| UTF11 Limited | Administrative & support | 2015 |
| Utranazz Investments Limited | Financial services | 2026 |
| Utranazz Trading Limited | Financial services | 2026 |
| V O Properties Ltd | Construction | 2012 |
| V O Property Group Holdings Limited | Construction | 2013 |
| V5MEO Properties Ltd | Real estate | 2023 |
| Valda Energy Group Limited | Energy | 2019 |
| Valda Energy Limited | Energy | 2018 |
| Valecom Ventures Limited | Information & communication | 2012 |
| Valencia Waste (Thames) Limited | Other services | 1994 |
| Valley Farm Enterprise Ltd | Agriculture & fishing | 2024 |
| Valour Productions Limited | Information & communication | 2009 |
| Value Retail Innovation Limited | Real estate | 1995 |
| Value Retail Management (Bicester Village) Limited | Real estate | 1994 |
| Value Retail Management Limited | Real estate | 1994 |
| Valvenok Limited | Manufacturing | 2022 |
| Valynt Limited | Wholesale & retail | 2025 |
| Vanilla Smiles Ltd | Health & social care | 2022 |
| Vanquish Construction Ltd | Construction | 2019 |
| Vardelis T&T Ltd | Wholesale & retail | 2026 |
| Varndell Engineering Ltd | Professional & scientific | 2014 |
| Varsity Design Limited | Real estate | 1985 |
| VB Car Sales Ltd | Wholesale & retail | 2018 |
| VB Sourcing Consultancy Ltd | Information & communication | 2025 |
| Vega Developments Ltd | Construction | 2022 |
| Vega Wealth Limited | Real estate | 2022 |
| Vehera Ltd | Information & communication | 2009 |
| Velora Home Ltd | Wholesale & retail | 2025 |
| Velum Care Ltd | Wholesale & retail | 2026 |
| Venogy Talent Ltd | Administrative & support | 2018 |
| Venogy Ventures 1 Ltd | Financial services | 2020 |
| Ventral Ltd | Health & social care | 2018 |
| Ventris Management Limited | Administrative & support | 2013 |
| Venue-Select Solutions Limited | Professional & scientific | 2025 |
| VER Digital Ltd. | Information & communication | 2017 |
| Verba Scientific Limited | Professional & scientific | 2026 |
| Verishore Consultants Ltd | Information & communication | 2025 |
| Verma Property Construction and Developments Ltd | Construction | 2022 |
| Versus Ltd | Construction | 2012 |
| Vervain Properties Ltd | Real estate | 2021 |
| Verve GAS Boiler Services Limited | Construction | 2017 |
| Vesting Capital Limited | Real estate | 2022 |
| VET in a Van Ltd | Professional & scientific | 2025 |
| Veterinary Behaviour Support Ltd | Professional & scientific | 2021 |
| Vetta Investments Limited | Real estate | 2006 |
| Viandengroup Ltd | Professional & scientific | 2017 |
| Vicky's After School and Holiday Club Ltd | Health & social care | 2020 |
| Vicommerce Ltd | Wholesale & retail | 2025 |
| Victoria Bradshaw Consultancy Ltd | Construction | 2025 |
| Victoria Mews (Block D) Management Company Limited | Households | 1988 |
| Victoria Rowsell Artist Management Limited | Professional & scientific | 2005 |
| Victorymedia TV Limited | Information & communication | 2019 |
| Vietcare UK Ltd | Wholesale & retail | 2015 |
| Village Farm Court Drive Limited | Households | 1998 |
| Village Super Oriental Store Ltd | Wholesale & retail | 2025 |
| Villas DE Maitre Limited | Administrative & support | 2003 |
| Villstone Limited | Households | 1997 |
| Vincann Properties Ltd | Real estate | 2025 |
| Vintage California Limited | Professional & scientific | 2022 |
| Virtual Helpdesk Ltd | Information & communication | 2022 |
| Virtual Robotic Solutions Limited | Information & communication | 2018 |
| Virtual-Leigh Limited | Administrative & support | 2016 |
| Virtuous Business Solutions Limited | Health & social care | 2014 |
| Visibility Media Limited | Information & communication | 2011 |
| Vision Achieve Ltd. | Professional & scientific | 2008 |
| Visionary Nights Ltd | Hospitality | 2023 |
| Visual Menu Limited | Information & communication | 2026 |
| Vitaleasy Care Solutions Ltd | Administrative & support | 2025 |
| Vitamart Ltd | Administrative & support | 2019 |
| Vivere Living Limited | Hospitality | 2013 |
| VMU Ltd | Professional & scientific | 2020 |
| Voca Recruitment Limited | Administrative & support | 2019 |
| Vonrohr Psychology Ltd | Public administration | 2021 |
| Voyage Travel Solutions Ltd | Transport & logistics | 2015 |
| Vozalt Consulting Limited | Information & communication | 2024 |
| VROOM23 Ltd | Wholesale & retail | 2023 |
| VTS Installations Limited | Construction | 2017 |