| Underplay Music Limited | Arts & recreation | 2017 |
| Underplay Recordings Ltd | Wholesale & retail | 2026 |
| Unique Wellbeing Solutions Ltd | Other services | 2020 |
| Unity Audio Ltd | Manufacturing | 2022 |
| Universal Aluminium Limited | Manufacturing | 2013 |
| Universal Fragrance Oils Limited | Other services | 1993 |
| Upgrade Electrical Services Ltd | Construction | 2021 |
| Upminster Carpets Limited | Wholesale & retail | 2005 |
| Upminster Lodge Farm Limited | Real estate | 1999 |
| Urban Home Improvements Ltd | Construction | 2025 |
| Urban People Ltd | Real estate | 2020 |
| Urban View Property Limited | Real estate | 2019 |
| Ushers Meadow Management Company (Braintree) Limited | Households | 2018 |
| Uwaoma Limited | Health & social care | 2022 |
| V K Runchman Builders Limited | Construction | 2019 |
| V Psychology Ltd | Education | 2023 |
| V R Podiatry Ltd | Health & social care | 2026 |
| Valcore Ltd | Construction | 2008 |
| Vale Property Services Limited | Real estate | 2023 |
| Valeting Direct Limited | Extraterritorial | 2002 |
| Valhalla Pack Ltd | Professional & scientific | 2020 |
| Valley View Management Company Limited | Real estate | 1982 |
| Valtorx Ltd | Wholesale & retail | 2023 |
| Van and Wheels Services Ltd | Transport & logistics | 2025 |
| Van Defence Limited | Wholesale & retail | 2026 |
| Vape Tree Ltd | Wholesale & retail | 2024 |
| Vapealicious Ltd | Wholesale & retail | 2022 |
| Vedic Wellness Ltd | Health & social care | 2026 |
| Veltfix Ltd | Construction | 2026 |
| Velvet Sun-Dyes LLP | | 2023 |
| Ventilation Hygiene Cleaning Limited | Administrative & support | 2023 |
| Ventilation Hygiene Consulting Limited | Administrative & support | 2019 |
| Venture Digital Limited | Information & communication | 2018 |
| Venture Display Limited | Professional & scientific | 2008 |
| Verdexio Limited | Administrative & support | 2023 |
| Verismart Essex Limited | Administrative & support | 2024 |
| Vertice Consult Ltd | Professional & scientific | 2014 |
| Verulam Scientific Limited | Manufacturing | 2009 |
| Vetta TAP Ltd | Wholesale & retail | 2025 |
| Veydra Group Ltd | Administrative & support | 2025 |
| VF One Security Service Ltd | Administrative & support | 2026 |
| Victorianplus Ltd | Wholesale & retail | 2022 |
| Vida Simpeh Limited | Professional & scientific | 2022 |
| Videomed Global Limited | Health & social care | 2025 |
| Viking Automotive Limited | Wholesale & retail | 2025 |
| Viking Companies Limited | Financial services | 2026 |
| Vile Colour Ltd | Administrative & support | 2021 |
| Village Dinner Limited | Hospitality | 2024 |
| Vimsha Properties Ltd | Real estate | 2022 |
| Vincere Media Limited | Other services | 2009 |
| Vine HR Limited | Administrative & support | 2011 |
| Vineyard-Tours.Co.Uk Ltd | Agriculture & fishing | 2025 |
| Vintage Coffee & Tea Sets Ltd | Wholesale & retail | 2020 |
| Vintage Finds UK Ltd | Wholesale & retail | 2026 |
| Violet Valentina Properties Ltd | Real estate | 2023 |
| Virgo Music Ltd | Arts & recreation | 2024 |
| Visage England Limited | Administrative & support | 2005 |
| Visage Healthcare Ltd | Manufacturing | 2021 |
| Visual Edge Security Network Ltd | Administrative & support | 2022 |
| Visulet Limited | Real estate | 2018 |
| Vive Kitchens Ltd | Construction | 2024 |
| Vividly Shine Ltd | Administrative & support | 2023 |
| Vkandy Ltd | Wholesale & retail | 2023 |
| VKD Carpentry Limited | Construction | 2024 |
| Vkind Care Services Limited | Health & social care | 2026 |
| VKR Property Limited | Real estate | 2022 |
| VMH Capital Holdings Ltd | Real estate | 2022 |
| Voixis CIC | Education | 2026 |
| Voke Electrical Services Limited | Construction | 2014 |
| Volundsgade Limited | Real estate | 2023 |
| Voss Jewellery Ltd | Manufacturing | 2024 |
| VPR Motors Limited | Wholesale & retail | 2013 |
| VR Build Solutions Ltd | Construction | 2026 |
| W Kelly Brickwork Ltd | Construction | 2007 |
| W MAY Properties UK Ltd | Real estate | 2023 |
| W R Autos Limited | Wholesale & retail | 2014 |
| W S Runnalls Limited | Construction | 2014 |
| W.I.T.C.H (WE Intend to Cause Havoc) Limited | Information & communication | 2023 |
| W.P. Harris Limited | Construction | 1961 |
| W15 Hire Limited | Administrative & support | 2021 |
| Waceystyle Limited | Wholesale & retail | 2014 |
| Wades & Sons Property Limited | Real estate | 2025 |
| Walden Handyman Ltd | Construction | 2024 |
| Walker Medical International Limited | Manufacturing | 1994 |
| Walkers Auto Repairs Ltd | Wholesale & retail | 2025 |
| WALL2WALL Landscapes Ltd | Administrative & support | 2021 |
| Wallis Converters Ltd | Manufacturing | 2024 |
| Walrus Development Company Limited | Construction | 1987 |
| Wandless Ltd | Professional & scientific | 2025 |
| Ward & Co Roofing & Building Ltd | Construction | 2026 |
| Warley Close Management Company Limited | Households | 2013 |
| Warmer Limited | Real estate | 2024 |
| Warner Textile Archive Trading Limited | Manufacturing | 2015 |
| Warpdeltav.Investments Ltd | Financial services | 2025 |
| Warpdeltav.Partners Ltd | Professional & scientific | 2025 |
| Warpdeltav.Vip Ltd | Professional & scientific | 2025 |
| Warren Smith Farming Limited | Agriculture & fishing | 2008 |
| Washall Professional Services Ltd | Professional & scientific | 2016 |
| Watch House Financial Planning Limited | Professional & scientific | 2021 |
| Waterers Farms Limited | Agriculture & fishing | 1952 |