| Universal Care Relief Ltd | Health & social care | 2021 |
| Universe Recruitment Services Ltd | Real estate | 2022 |
| Unlimited Options Limited | Information & communication | 2013 |
| Unlimited Quantities Limited | Construction | 2018 |
| Unova Consulting Ltd | Professional & scientific | 2019 |
| Unova Group Ltd | Professional & scientific | 2018 |
| Unusual Wonders Limited | Wholesale & retail | 2024 |
| Upminster Padel Club Ltd | Arts & recreation | 2025 |
| Urban Construction Essex Ltd | Construction | 2025 |
| Urogroup Ltd | Health & social care | 1998 |
| UTG Networks Limited | Information & communication | 2011 |
| Utilitas Property Limited | Real estate | 2021 |
| V8 Consulting Limited | Information & communication | 2012 |
| Vale Project Management Limited | Professional & scientific | 2012 |
| Valentine Press Limited | Manufacturing | 1965 |
| Valis Systems Consulting Ltd | Public administration | 2025 |
| Vall Service Ltd | Wholesale & retail | 2023 |
| Valley Refurbishments Ltd | Construction | 2022 |
| Value Foundry Limited | Administrative & support | 2025 |
| Valve Recordings Ltd | Arts & recreation | 2025 |
| Van DER Hill Spain Limited | Real estate | 2014 |
| Vancouver Building & Maintenance Limited | Construction | 2003 |
| Vanquish 212 Limited | Administrative & support | 2014 |
| Vastaven Ltd | Construction | 2025 |
| VDS UK Limited | Wholesale & retail | 2000 |
| Vecelli Home Improvements Limited | Manufacturing | 2016 |
| Vecta Design UK Ltd | Construction | 2013 |
| Velaro Ltd | Financial services | 2024 |
| Velir Building Services Ltd | Construction | 2022 |
| Ventage Limited | Professional & scientific | 1973 |
| Venture Construction Solutions Ltd | Administrative & support | 2012 |
| Venture HR Construction Limited | Construction | 2014 |
| Verity's Complementary Therapies Limited | Administrative & support | 2002 |
| Verri Ltd | Information & communication | 2020 |
| Versatile Terrain Ltd | Wholesale & retail | 2017 |
| Verse Media Packaging Limited | Manufacturing | 2014 |
| Vertical Scaffolding Services UK Ltd | Construction | 2023 |
| Vexa Developments Limited | Construction | 2026 |
| Vezo Networks Limited | Information & communication | 2009 |
| VIA Volenti Ltd | Professional & scientific | 2011 |
| Vicarage Glass & Design Limited | Administrative & support | 2004 |
| Vicovanu Ltd | Transport & logistics | 2013 |
| Victory Engineers Ltd | Construction | 2012 |
| Vida Wood UK Limited | Wholesale & retail | 1985 |
| Village Cars Chelmsford Ltd | Wholesale & retail | 2023 |
| Vily Ailey LLP | | 2019 |
| VIN Dog Design Ltd | Professional & scientific | 2026 |
| Vincent White Ltd | Construction | 2023 |
| Vines Direct Limited | Wholesale & retail | 2006 |
| Vinum Fine Wines Limited | Wholesale & retail | 2015 |
| Virdiko Ltd | Health & social care | 2022 |
| Virtual Tours Limited | Information & communication | 2015 |
| Virtuality Advanced Visual Communications Ltd | Arts & recreation | 1996 |
| Virtuoso Kate Clark Professional Saddle Fitting Service Ltd | Manufacturing | 2024 |
| Visage Glass and Steel Limited | Manufacturing | 2021 |
| Vision Developments Essex Limited | Construction | 2023 |
| Vision Films Ltd | Other services | 2024 |
| Vitae Consulting Limited | Administrative & support | 2018 |
| Vital Trace UK Limited | Administrative & support | 2007 |
| Vitals in View (UK) Ltd | Information & communication | 2023 |
| Vitara Digital Ltd | Professional & scientific | 2025 |
| Vivid Tide Ltd | Administrative & support | 2023 |
| VK Cuisine Ltd | Hospitality | 2025 |
| Voip and Data Limited | Information & communication | 2024 |
| Volt LDN Electrical Ltd | Construction | 2020 |
| VSH Retail Limited | Wholesale & retail | 2022 |
| VT Distribution & Wholesale Limited | Wholesale & retail | 2015 |
| VTL Investments Limited | Administrative & support | 2024 |
| VW Downunder Ltd | Wholesale & retail | 2009 |
| VZ Remote Systems Ltd | Administrative & support | 2012 |
| W & F Contracts Limited | Administrative & support | 1997 |
| W C Drains Limited | Construction | 2010 |
| W Hardy Maintenance Limited | Other services | 2003 |
| W P J Webb Ltd | Information & communication | 2014 |
| W Rhodes Holdings Limited | Financial services | 2025 |
| W&Co Displays and Signs Limited | Wholesale & retail | 2000 |
| W. Hardy Limited | Administrative & support | 2002 |
| W.E.S Conveyors Limited | Manufacturing | 1992 |
| W.F Effects Limited | Professional & scientific | 2019 |
| WAD Engineering Ltd | Manufacturing | 2018 |
| WAG & Wash UK Ltd | Other services | 2026 |
| Waggles Doggy Daycare Limited | Other services | 2023 |
| WAJ Financial Services Ltd | Professional & scientific | 2021 |
| Walker Associates Consulting Limited | Professional & scientific | 2003 |
| Wallace Bates Limited | Administrative & support | 2014 |
| Walter Properties Limited | Real estate | 2008 |
| Warden Trading Limited | Wholesale & retail | 2011 |
| WAT Tyler Animal Care Ltd | Professional & scientific | 2024 |
| Waterman Developments Limited | Construction | 2013 |
| Waterman Property Management Limited | Real estate | 2016 |
| Watson's Plumbing and Heating Services Ltd | Construction | 2024 |
| Watts Consulting Services Ltd | Professional & scientific | 2022 |
| WAX on Hand Car Wash Limited | Administrative & support | 2004 |
| Waymrk Limited | Other services | 2017 |
| Wayside Caravans Limited | Wholesale & retail | 2012 |
| WBD ST Ives Limited | Construction | 2024 |
| WBE Developments Ltd | Real estate | 2026 |
| WE MOT Ltd | Wholesale & retail | 2023 |
| WE Resource Recruitment Ltd | Administrative & support | 2020 |
| Weald Park Service Centre Ltd | Wholesale & retail | 2020 |