| THE Swallows (Blocks U, V and W) Management Company Limited | Other services | 1996 |
| THE Timeless Garden Emporium Ltd | Wholesale & retail | 2023 |
| THE Village Pre-School LC Ltd | Education | 2026 |
| Thegripbros Ltd | Information & communication | 2025 |
| Through the Stages Ltd | Information & communication | 2021 |
| TOM Barraclough Carpentry Ltd | Information & communication | 2023 |
| Tony Tyler Decorating Ltd | Construction | 2022 |
| Torre Search Ltd | Administrative & support | 2025 |
| Train 2 Save Ltd | Administrative & support | 2011 |
| Tree of Life International Ltd. | Financial services | 2016 |
| Trimantic Ltd | Professional & scientific | 2011 |
| Trinity Day Opportunities Ltd | Health & social care | 2025 |
| U&D Ltd | Professional & scientific | 2022 |
| Ukmouldings Ltd | Information & communication | 2024 |
| Ultimate Lifting Ltd | Information & communication | 2021 |
| Uncle Brian Ltd | Information & communication | 2024 |
| Unit Medical Services Ltd | Information & communication | 2023 |
| Valassis Holdings Ltd | Financial services | 2021 |
| Vale Mechanical Services Ltd | Construction | 2024 |
| Valore Holiday Lettings Ltd | Hospitality | 2026 |
| Valore Host Group Ltd | Financial services | 2025 |
| Vicky Sherwood Consulting Limited | Other services | 2022 |
| Victor Grace Investments Limited | Real estate | 2022 |
| Viride Consulting Ltd | Professional & scientific | 2013 |
| Virtue Lighting Limited | Wholesale & retail | 2021 |
| Vitreous & Retina Care Limited | Health & social care | 2014 |
| Wallis & Barnes Limited | Administrative & support | 2012 |
| Watches Ltd | Wholesale & retail | 2025 |
| Water Street Warehouse Ltd | Construction | 2026 |
| Waxhousegate Estates Limited | Real estate | 1989 |
| Waxhousegate Investments Limited | Real estate | 1977 |
| Waxhousegate Management Ltd | Real estate | 2010 |
| Weaver Plant Ltd | Administrative & support | 2018 |
| Wellsphere Health Limited | Wholesale & retail | 2026 |
| West Coast Rigging Ltd | Information & communication | 2024 |
| Westbryn Properties Ltd | Construction | 2025 |
| Whizzbang Construction Ltd | Information & communication | 2024 |
| William Blythe Media Services Ltd | Information & communication | 2017 |
| Willow Tree Farm Grangehill Road Limited | Agriculture & fishing | 2019 |
| Wimbledon Carpentry & Construction Ltd | Information & communication | 2022 |
| Wind Rose Power Ltd | Energy | 2026 |
| Woodland Grove (Epping) Management Co. Limited | Households | 1993 |
| Woodland Grove RTM Company Limited | Real estate | 2012 |
| Woodlane Group Ltd. | Information & communication | 2016 |
| WR Rigging & Scaffolding Ltd | Information & communication | 2024 |
| Young & Co Consulting Ltd | Professional & scientific | 2021 |
| Young's Electrical Contractors Ltd | Other services | 2017 |
| Ysso Limited | Wholesale & retail | 2019 |
| Zeal Agency Ltd | Wholesale & retail | 2021 |
| Ziegelmayer (UK) Limited | Arts & recreation | 2008 |
| Zion Management Consulting Ltd | Construction | 2022 |
| Zonefilter Limited | Professional & scientific | 2015 |