| Ujamaa Heritage Company Limited | Health & social care | 2025 |
| UK Essex Motors Limited | Wholesale & retail | 2014 |
| UK Car Parts Ltd | Wholesale & retail | 2025 |
| UK Constellation Ltd | Construction | 2019 |
| UK Driver Training and Compliance Limited | Education | 2024 |
| UK Ecommerce Store Limited | Wholesale & retail | 2025 |
| UK Idea Ltd | Wholesale & retail | 2011 |
| UK Ideal Properties Ltd | Construction | 2025 |
| UK Jamaica Ethiopia Specifically Immediately Ltd | Wholesale & retail | 2025 |
| UKT Construction Limited | Construction | 2015 |
| Ultimate Care Professionals Limited | Health & social care | 2015 |
| Ummys Event Limited | Hospitality | 2022 |
| Unbelievable Ltd | Transport & logistics | 2023 |
| Unicorn NRQ Services Limited | Real estate | 2019 |
| Uniko Aluminium Windows and Doors Ltd | Construction | 2019 |
| Uniko Property Limited | Real estate | 2024 |
| Unirea Limited | Wholesale & retail | 2018 |
| United Payroll Associates Ltd | Professional & scientific | 2016 |
| Unity and Love Catering & Fashions Ltd | Manufacturing | 2020 |
| Urban Dealership Ltd | Wholesale & retail | 2023 |
| Ursion Ltd | Construction | 2026 |
| Used Auto Sales Limited | Wholesale & retail | 2018 |
| Utter Property Services Limited | Real estate | 2021 |
| V & B Property Investments Limited | Real estate | 2025 |
| V D Investment Ltd | Real estate | 2024 |
| V Webb Ltd | Information & communication | 2021 |
| V&I Ltd | Administrative & support | 2017 |
| V&J Solutions Ltd | Transport & logistics | 2024 |
| VAA Construction Ltd | Construction | 2019 |
| Valdan Limited | Construction | 2015 |
| Valden Ltd | Construction | 2018 |
| Valdo Transport Ltd | Transport & logistics | 2024 |
| Valgas Ltd | Construction | 2018 |
| Valibra Limited | Health & social care | 2019 |
| Valourtech Ltd | Financial services | 2018 |
| Vasdata Engineering Ltd | Information & communication | 2026 |
| Vasmo Ltd | Construction | 2025 |
| VCD Cleaning & Maintenance Limited | Administrative & support | 2016 |
| VCM Trans Ltd | Transport & logistics | 2016 |
| Veepharm Limited | Wholesale & retail | 2019 |
| Velcrest Development Ltd | Real estate | 2026 |
| Velisity Ltd | Construction | 2013 |
| Velocity London Ltd | Administrative & support | 2019 |
| Vendrex Ltd | Wholesale & retail | 2025 |
| Verbosi Limited | Information & communication | 2012 |
| Vertex Growth Property Ltd | Manufacturing | 2025 |
| Vertical Transportation Limited | Construction | 1980 |
| Verve Energy Consultancy Ltd | Professional & scientific | 2008 |
| Veyra Global Wraps Ltd | Wholesale & retail | 2025 |
| VHE Services Ltd | Transport & logistics | 2017 |
| Viadcoms Ltd | Administrative & support | 2017 |
| Vicado Limited | Health & social care | 2015 |
| Viceroy Media Limited | Professional & scientific | 2019 |
| Victor Builders Limited | Construction | 2019 |
| Vicval Ventures Ltd | Real estate | 2024 |
| VIO Painters and Decorators Ltd | Construction | 2025 |
| Virginia Cleaner Limited | Wholesale & retail | 2020 |
| Visionary Management Consultants Ltd | Professional & scientific | 2024 |
| VIT Joinery Ltd | Construction | 2018 |
| Vital Edge Wellness Limited | Wholesale & retail | 2026 |
| Vlad Mechanical Ltd | Construction | 2024 |
| Vladandrei Ltd | Transport & logistics | 2017 |
| Vladiux Limited | Construction | 2016 |
| Vmksolutions Ltd | Construction | 2012 |
| Voices Unheard CIC | Arts & recreation | 2025 |
| Volta Data Ltd | Information & communication | 2019 |
| VPA Transport Ltd | Transport & logistics | 2019 |
| Vrde Ltd | Real estate | 2024 |
| VSG Enterprises Limited | Professional & scientific | 2013 |
| VSL Holistics Ltd | Other services | 2024 |
| Vtensioning Ltd | Construction | 2023 |
| VVA Facade Limited | Construction | 2023 |
| VZ Joinery Ltd | Construction | 2017 |
| W a O Trading Ltd | Wholesale & retail | 2018 |
| W S Young Limited | Wholesale & retail | 2007 |
| W.T.O Enterprises Ltd | Wholesale & retail | 2020 |
| Warh Construction Ltd | Construction | 2023 |
| Watts Wood Ltd | Construction | 2014 |
| WAY2CLEAN Ltd | Information & communication | 2024 |
| WBL02 Limited | Wholesale & retail | 2025 |
| WD Building & Maintenance Services Ltd | Construction | 2016 |
| WE DO Cleaning Ltd | Administrative & support | 2026 |
| Wearekochi Ltd | Information & communication | 2026 |
| Wearing Theory Clothes Limited | Wholesale & retail | 2026 |
| Wellness for YOU Ltd | Wholesale & retail | 2023 |
| Wellwave Ltd | Health & social care | 2022 |
| Wennington Property and Development Ltd | Real estate | 2023 |
| Wennington Recycling Services Ltd | Water & waste | 2022 |
| Werk Systems Limited | Information & communication | 2025 |
| White Pixel Ltd | Professional & scientific | 2020 |
| Wonderlink Ltd | Wholesale & retail | 2020 |
| Woodbine Property Group Ltd | Real estate | 2025 |
| Woody's Developments Limited | Construction | 2017 |
| Woody’S Propco Holdings Limited | Financial services | 2025 |
| Woody’S Propco Limited | Real estate | 2025 |
| Worktech Ltd | Construction | 2018 |
| Worldwide Business Consulting Ltd | Professional & scientific | 2024 |
| Wota Limited | Health & social care | 2024 |
| Xceed Properties Limited | Real estate | 2019 |
| Xclusive Primecare Services Limited | Health & social care | 2020 |