| WAYS2WELLNESS.ME C.I.C. | Health & social care | 2024 |
| WE Collect ANY Waste Limited | Water & waste | 2021 |
| WE Wire Surrey Ltd | Construction | 2021 |
| Webb Medical Services Limited | Health & social care | 2015 |
| Welsby Slater Limited | Information & communication | 2020 |
| West Surrey Logistics Ltd | Transport & logistics | 2024 |
| West View Residents' Company Limited | Professional & scientific | 2005 |
| Westcott Wood Limited | Other services | 2021 |
| Weybojr Limited | Professional & scientific | 2009 |
| Weybourne Consulting Limited | Professional & scientific | 2015 |
| Weynorth Limited | Administrative & support | 2023 |
| Whellams Electrical Services Ltd | Construction | 2014 |
| Whicher Limited | Professional & scientific | 2013 |
| White Lodge (Ashtead) Limited | Real estate | 1990 |
| William Smith Consulting Limited | Construction | 2014 |
| Willis Hazell Engineers Ltd | Professional & scientific | 2023 |
| Winton Lodge Limited | Professional & scientific | 2008 |
| Wisefish Services Limited | Hospitality | 2023 |
| WMB Property Solutions Ltd | Construction | 2024 |
| Woodcote Fellows Limited | Extraterritorial | 2015 |
| Woodgate Gaming Limited | Administrative & support | 2022 |
| Woodhatch Downs Limited | Extraterritorial | 2020 |
| Word on the Street Bookshop Ltd | Other services | 2021 |
| Wordsmith Reviews Limited | Professional & scientific | 2010 |
| World Smart College UK CIC | Education | 2026 |
| Wright Property Ltd | Construction | 2012 |
| XMS Solutions Limited | Professional & scientific | 2020 |
| Yamunaji Holdings (2023) Ltd | Professional & scientific | 2023 |
| Yamunaji Holdings Limited | Financial services | 2012 |
| Your Private GP Service Ltd | Health & social care | 2014 |
| ZAB Retailers Ltd | Wholesale & retail | 2025 |
| Zappetite Ltd | Information & communication | 2026 |
| Zero DRY Time AWC Ltd | Administrative & support | 2018 |