| WE ARE Dreamers Limited | Real estate | 2021 |
| WE ARE Flourish Ltd | Professional & scientific | 2017 |
| WE ARE Icon Ltd | Hospitality | 2026 |
| WE Settle Limited | Information & communication | 2024 |
| WE Wire Electrical Contractors Limited | Construction | 2025 |
| Wealth and Strength Ltd | Wholesale & retail | 2025 |
| Weatherseal Roofing Specialists Ltd | Construction | 2021 |
| Web Luminosity Ltd | Information & communication | 2021 |
| Webistics Ltd | Information & communication | 2015 |
| Webplanet Limited | Wholesale & retail | 2001 |
| WEC Technologies Ltd | Information & communication | 2024 |
| Wecs Precision Limited | Manufacturing | 2004 |
| Wedotech UK Ltd | Information & communication | 2021 |
| Weform Studio Ltd | Arts & recreation | 2025 |
| WEI Insight Ltd | Professional & scientific | 2016 |
| WEI LIN Ltd | Information & communication | 2011 |
| Weihurst Court Limited | Households | 1995 |
| Weller Residential Property Limited | Households | 2026 |
| Wellesley Court Twickenham Limited | Financial services | 2023 |
| Wellesley Developers Ltd | Construction | 2024 |
| Wellesley Estate Management Ltd | Real estate | 2024 |
| Wellesley House (Epsom) Management Company Limited | Households | 2004 |
| Wellesley Management Company Limited | Administrative & support | 1983 |
| Wellingtons of Surrey Ltd | Hospitality | 2021 |
| Wells Building Solutions Limited | Construction | 2018 |
| Wells Corner Shop Ltd | Wholesale & retail | 2025 |
| Wellsborough Mews Limited | Households | 2016 |
| Wentworth House (Pyrford Road) RTM Company Limited | Households | 2017 |
| Weplan Construction Ltd. | Construction | 2013 |
| Wesee AI Limited | Information & communication | 2016 |
| Wessiters Court Management Company Limited | Households | 1984 |
| West 4 Joinery Limited | Manufacturing | 2010 |
| West Derby Coffee Limited | Hospitality | 2025 |
| West Ewell Tuition Centre Ltd | Education | 2025 |
| West Hill Avenue Management Company Limited | Administrative & support | 1990 |
| West Oakdene Limited | Construction | 2025 |
| West One Dental Supplies Limited | Health & social care | 1987 |
| West Street Plumbers Ltd | Construction | 2022 |
| West Street, Carshalton, Residents Association Limited | Households | 1970 |
| West Surrey Accountants Limited | Professional & scientific | 2020 |
| West Training Services Ltd | Professional & scientific | 2023 |
| Westartt Ltd | Other services | 2023 |
| Westbridge Wells Contracts Limited | Construction | 2011 |
| Westbrook Media Ltd | Professional & scientific | 2023 |
| Westbury Collections Ltd | Administrative & support | 2019 |
| Western Heights (Management Company) Limited | Households | 2004 |
| Westlands RTM Company Limited | Households | 2010 |
| Westminster Court (Cheam) Residents Association Limited | Households | 1970 |
| Westview Freehold Management Limited | Real estate | 2012 |
| Wetworks Services Limited | Construction | 2023 |
| Weybridge Family Office Services Limited | Professional & scientific | 2021 |
| Whinslade Limited | Real estate | 2019 |
| Whitbread Heating & Plumbing Ltd | Construction | 2011 |
| White House Health and Wellness Centre Limited | Health & social care | 2022 |
| White House Property Rentals Ltd | Real estate | 2020 |
| White Knight Travel Ltd | Transport & logistics | 2025 |
| White Rose Global Ltd | Wholesale & retail | 2023 |
| White Swan Education Limited | Administrative & support | 2018 |
| White Tiger Wellness & Wellbeing Ltd | Wholesale & retail | 2022 |
| Whitefriars Close Limited | Households | 2020 |
| Whitehorse Rentals Ltd | Real estate | 2026 |
| Whiteley Consulting Ltd | Administrative & support | 2017 |
| Whiteman Architects Ltd | Professional & scientific | 2018 |
| Whitenold Construction Limited | Real estate | 2001 |
| Whitenold Developments Limited | Real estate | 1981 |
| Whites Heating & Plumbing Ltd | Extraterritorial | 2020 |
| Whites Heating Ltd | Construction | 2020 |
| Whitley - Hall Properties Limited | Real estate | 2015 |
| Whitley-Hall Limited | Wholesale & retail | 2010 |
| Whitmores Management Company Limited | Households | 2023 |
| Whose Art Ltd | Professional & scientific | 2006 |
| Whyteways Limited | Administrative & support | 2002 |
| Whythe Properties Limited | Real estate | 2025 |
| Widdington SPV Limited | Construction | 2023 |
| Wiggill Properties Ltd | Real estate | 2016 |
| Wigmore Estate Agents Limited | Real estate | 1999 |
| Wigwam Consultants Limited | Administrative & support | 2009 |
| Wilbridge Group Limited | Real estate | 2015 |
| Wilbridge Homes Limited | Construction | 2018 |
| Wilbridge Land Limited | Real estate | 2023 |
| Wild and Stone Limited | Wholesale & retail | 2018 |
| Wild Earth Design Limited | Professional & scientific | 2025 |
| Wild Orchard (Investments) Limited | Real estate | 2015 |
| Wild Thomas Gardens Ltd | Professional & scientific | 2016 |
| Wildheart Residential Management Limited | Real estate | 2008 |
| Wildoaks House Management Limited | Households | 2007 |
| Will Taborn Limited | Professional & scientific | 2017 |
| Williams & Co Epsom LLP | | 2021 |
| Williams Mckinley Limited | Administrative & support | 2004 |
| Williams Residential Surveys Limited | Professional & scientific | 2012 |
| Willis Properties UK Limited | Households | 1999 |
| Willow Agrifood Limited | Information & communication | 2023 |
| Willow Court Management (Wallington) Limited | Households | 1973 |
| Willow Place Limited | Hospitality | 2010 |
| Willows (Hartfield Road) Management Limited | Households | 1995 |
| Wilmington and Jevington Gardens Preservation Society Limited | Real estate | 1975 |
| Wilna Limited | Real estate | 2020 |
| Wilnika Limited | Real estate | 2018 |
| Wilsons (Epsom) Limited | Professional & scientific | 1983 |
| Wilsons Automobiles and Coachworks Limited | Wholesale & retail | 1933 |