| Untangled Video Limited | Other services | 2022 |
| UP and Down Consulting Ltd | Professional & scientific | 2024 |
| UP and Over Lifting Services Ltd | Transport & logistics | 2017 |
| Upminster Estates Limited | Real estate | 1964 |
| Uptons Decor Ltd | Construction | 2014 |
| Urban Haircutters Limited | Other services | 2002 |
| Urban Heating Limited | Construction | 2023 |
| Urban Projects Limited | Real estate | 2019 |
| Utility Construction Services Limited | Construction | 2015 |
| Utility Resolutions Ltd | Administrative & support | 2021 |
| Utopia 360 Visuals Limited | Professional & scientific | 2019 |
| Uttons Limited | Real estate | 2025 |
| V a Enterprises Limited | Professional & scientific | 2022 |
| V a Rail Limited | Professional & scientific | 2012 |
| V&J Chelmsford Limited | Wholesale & retail | 2018 |
| V&J Rayleigh Limited | Wholesale & retail | 2018 |
| Valhospital Medicals Limited | Professional & scientific | 2010 |
| Vandals Inc Ltd | Arts & recreation | 2024 |
| Vange Community Group | Real estate | 2014 |
| Vanity FUR Limited | Other services | 2007 |
| Vanston Property Ltd | Real estate | 2021 |
| Vanta Labs Ltd | Information & communication | 2025 |
| Vape and POD Ltd | Wholesale & retail | 2026 |
| Vapepit UK Ltd | Other services | 2016 |
| VAPES2GO Limited | Wholesale & retail | 2025 |
| Vedra Management Ltd | Professional & scientific | 2024 |
| Veeso Property Ltd | Real estate | 2021 |
| Vegan Cosmetics Quest Limited | Manufacturing | 2016 |
| Velo Restaurant Consultancy Limited | Professional & scientific | 2021 |
| VEM Services Limited | Professional & scientific | 2020 |
| Venja Ltd | Manufacturing | 2024 |
| Veracious Talent Partners Ltd | Administrative & support | 2024 |
| Verde Design Limited | Professional & scientific | 1990 |
| Verdejo Ziplock Ltd | Administrative & support | 2015 |
| Veripath Ltd | Professional & scientific | 2026 |
| Veritas Consultants Ltd | Administrative & support | 2019 |
| Verix Advisory Limited | Professional & scientific | 2026 |
| Verriberri Holdings Limited | Financial services | 2021 |
| Vertex Facilities Management Limited | Administrative & support | 2019 |
| Vertical Investments Ltd | Financial services | 2026 |
| VH Studio Limited | Arts & recreation | 2020 |
| VIA Defeo Limited | Wholesale & retail | 2024 |
| Viabl Ltd | Construction | 2019 |
| Vibe Southend Limited | Other services | 2013 |
| Vibhuti Ventures Limited | Real estate | 2020 |
| Victoria Gardens Residents Company Limited | Households | 2003 |
| Victoria Mernagh Consulting Limited | Information & communication | 2011 |
| Victoria Telecom Ltd | Information & communication | 2021 |
| VIH Ltd | Real estate | 2024 |
| Vikaco Consulting Limited | Health & social care | 2023 |
| Vikingfolk Media Limited | Professional & scientific | 2023 |
| Villaggio Restaurants Limited | Hospitality | 2022 |
| Vine Home Improvements Limited | Construction | 2020 |
| Vino Vero Imports Limited | Wholesale & retail | 2021 |
| Vino Vero Ltd | Wholesale & retail | 2013 |
| Violet Rose Beauty Limited | Other services | 2022 |
| VIP Lift & Escalator Services Ltd | Manufacturing | 2010 |
| Viridian Creative Limited | Professional & scientific | 2023 |
| Viron Ltd | Other services | 2010 |
| Virtual Mail & Co Limited | Administrative & support | 2022 |
| Virtualed Ltd | Education | 2025 |
| Virtually Styled Limited | Other services | 2022 |
| Vishwam Estates Ltd | Hospitality | 2026 |
| Vision Cleaning Solutions Limited | Construction | 2023 |
| Vision Personnel Limited | Administrative & support | 2011 |
| Vision Site Services Limited | Administrative & support | 2017 |
| Visiting Care Services Limited | Health & social care | 2022 |
| Visual Republic Limited | Information & communication | 2013 |
| Visualiser Creative Limited | Information & communication | 2019 |
| Visually Minded Limited | Information & communication | 2011 |
| Vitalife Drop Ltd | Wholesale & retail | 2025 |
| Vitamin World Health Franchising Limited | Wholesale & retail | 2019 |
| Vitas Building and Design Limited | Construction | 2016 |
| Vivica Ltd | Extraterritorial | 2009 |
| Vivifi Ltd | Information & communication | 2014 |
| VLK Consulting Ltd | Information & communication | 2023 |
| VNA Food Limited | Hospitality | 2026 |
| VNA Search Limited | Administrative & support | 2014 |
| Vocal XTR3ME Ltd | Arts & recreation | 2023 |
| Voko Consulting Limited | Professional & scientific | 2021 |
| Volt-Tech Electrical Services Ltd | Construction | 2019 |
| VOX Operating Systems Ltd | Wholesale & retail | 2018 |
| Voyage Shipping Limited | Transport & logistics | 2023 |
| VS Medicine & Lifestyle Ltd | Health & social care | 2022 |
| Vscl Holdings Ltd | Real estate | 2026 |
| Vuksani Limited | Administrative & support | 2024 |
| Vulcan Plumbing & Heating Services Limited | Construction | 2018 |
| Vysakha Estates Limited | Real estate | 2022 |
| W & H (Select MIX) Limited | Construction | 2018 |
| W H Interiors Limited | Construction | 2012 |
| W Pearce Electrical Ltd | Construction | 2010 |
| W Smith Plumbing & Heating Ltd | Construction | 2017 |
| W T Design Studio Ltd | Professional & scientific | 2025 |
| W&C Farrell Ltd | Hospitality | 2025 |
| W. Neal Services Limited | Manufacturing | 2003 |
| W.A Moore Construction Ltd | Construction | 2026 |
| W.A.M. Building Essex Ltd | Construction | 2020 |
| W.E.A.R Holdings Limited | Financial services | 2022 |
| W.H.Hall(Plumbers)Limited | Construction | 1964 |
| W.Robinson & Sons(Electrical Contractors)Limited | Manufacturing | 1984 |