| Ureco Limited | Construction | 2018 |
| Ureco UK RPD 1 GP Limited | Construction | 2022 |
| Utilitylinx Ltd | Financial services | 2024 |
| UVC Applications Ltd | Administrative & support | 2002 |
| Vaagen Construction Limited | Construction | 2024 |
| Vaagen Ltd | Real estate | 2017 |
| Valerian Corporation Limited | Financial services | 2020 |
| Valhalla Freight Ltd | Transport & logistics | 2026 |
| Valiante IT Solutions Ltd | Information & communication | 2011 |
| Van 2 Dormobile Limited | Manufacturing | 2022 |
| Van's Air Conditioning and Chiller Specialist Limited | Construction | 2020 |
| Van-Ted Limited | Construction | 2015 |
| Vanivy Limited | Other services | 2026 |
| VAR83 Aviation Limited | Professional & scientific | 2015 |
| Vault Inc Ltd | Real estate | 2022 |
| Vauxhall Spares & Repairs Ltd | Wholesale & retail | 2020 |
| Vehicle REG UK Ltd | Other services | 2012 |
| Veils & Tails Ltd | Wholesale & retail | 2012 |
| Velocity Concepts Ltd | Professional & scientific | 2026 |
| Velocity Racing Ltd | Wholesale & retail | 2023 |
| Velvette Limited | Extraterritorial | 2012 |
| Ventilation and Water Compliance Ltd | Administrative & support | 2018 |
| VENUE27 Ltd | Education | 2016 |
| Vera & Vale Ltd | Administrative & support | 2025 |
| Vertex Precision Ltd | Manufacturing | 2020 |
| Veterinario Ltd | Professional & scientific | 2024 |
| Vetstoria Limited | Information & communication | 2006 |
| VG Security Ltd | Administrative & support | 2023 |
| VIA Health Limited | Health & social care | 2019 |
| Vicozee Limited | Health & social care | 2021 |
| Victoria Street M34 Ltd | Real estate | 2024 |
| VIE UK Limited | Hospitality | 1998 |
| Vinela Limited | Real estate | 2023 |
| Virtual CV Limited | Administrative & support | 2023 |
| Viscount Classical Organs Limited | Wholesale & retail | 2002 |
| Vise Group Limited | Information & communication | 2015 |
| Vision Decs Ltd | Construction | 2019 |
| Vision Eagle Ltd | Education | 2009 |
| Vision Paint & Design Limited | Construction | 2005 |
| VN Projects Ltd | Real estate | 2020 |
| VN Traders Ltd | Manufacturing | 2017 |
| Vnbc Trading Ltd | Wholesale & retail | 2023 |
| Voice 360 Limited | Professional & scientific | 2015 |
| Volcov Lifts Ltd | Construction | 2026 |
| Vole House Developments Ltd | Construction | 2024 |
| Vpvm Holdings Ltd | Real estate | 2022 |
| VRN Recovery Services Ltd | Transport & logistics | 2019 |
| Vulcan (South East) Limited | Professional & scientific | 2018 |
| VWS Group Limited | Transport & logistics | 2021 |
| Vyapi Lextech Solutions PVT. Ltd | Information & communication | 2022 |
| W a Bridge Limited | Information & communication | 2002 |
| W and S Services Limited | Real estate | 2019 |
| W N Utilities Limited | Construction | 2026 |
| W.J. Wells Limited | Financial services | 1978 |
| Wade Holdings (Essex) Limited | Financial services | 2023 |
| Wailea Investment Limited | Transport & logistics | 2017 |
| Wald Group Ltd | Wholesale & retail | 2023 |
| Wanderbite Collective Limited | Hospitality | 2025 |
| Wash House Property Ltd | Real estate | 2024 |
| Waxi-Care Ltd | Health & social care | 2026 |
| Webbs Roofing Limited | Construction | 2023 |
| Wecleanproperty Ltd | Administrative & support | 2025 |
| Wedsat Productions Limited | Information & communication | 2007 |
| Welbro Cleaning Limited | Administrative & support | 2009 |
| Weld Torqued Ltd | Wholesale & retail | 2026 |
| Wellbeing Revolution Ltd | Professional & scientific | 2019 |
| Welltold Ltd | Manufacturing | 2025 |
| Wernhamhogg Investments Limited | Real estate | 2025 |
| West Essex Pipework Limited | Construction | 1978 |
| West Station Yard Limited | Real estate | 2006 |
| West-Webbe Associates Ltd | Professional & scientific | 2011 |
| Westbuild Home Improvements Ltd | Construction | 2023 |
| Westcliff Park Properties Limited | Real estate | 2014 |
| Westview Nurseries Ltd | Wholesale & retail | 2003 |
| Westwood Karate Academy Essex LLP | | 2025 |
| Westy Enterprises Limited | Transport & logistics | 2025 |
| WFT London Ltd | Other services | 2022 |
| What ARE the Odds Ltd | Wholesale & retail | 2016 |
| White ELM Garden Centre Limited | Wholesale & retail | 2013 |
| White Grin Ltd | Health & social care | 2024 |
| Whitehead Thermal Solutions Ltd | Construction | 2025 |
| Whiteway Construction Limited | Construction | 2018 |
| Wildflower & Lace Ltd | Wholesale & retail | 2021 |
| Wilkinson Family Fund Limited | Financial services | 2022 |
| Willow Windows Limited | Other services | 2009 |
| Wilson Boyd Digital Assets Limited | Extraterritorial | 2022 |
| Wilson Tool & Engineering Company (Essex) Limited(The) | Manufacturing | 1964 |
| Wilsonwood Silverlink Limited | Households | 2024 |
| Wisdom Essex Limited | Hospitality | 2021 |
| WJ Sealants Ltd | Construction | 2024 |
| Wolf Associates Limited | Professional & scientific | 1999 |
| Wood & Chandler Administration Ltd | Financial services | 2016 |
| Woodberry Estates Limited | Other services | 1999 |
| Woodberry Prop Ltd | Real estate | 2022 |
| Woodluxe Ltd | Construction | 2026 |
| Woodmans Cabin Idless Limited | Hospitality | 2018 |
| Woodside Group Limited | Construction | 1978 |
| Wooly's Bakery Limited | Manufacturing | 2024 |
| Work Mode London Ltd | Wholesale & retail | 2022 |
| Worldwide Freight Limited | Information & communication | 2008 |