| Waylands Mead Management Company Limited | Households | 1984 |
| Webb Flint Limited | Construction | 2010 |
| Well GEL Nails & Beauty Ltd | Other services | 2021 |
| Wells Park Management Company Limited | Households | 2014 |
| Wengs Consultancy Services Limited | Information & communication | 2023 |
| Westland Becks Properties Limited | Real estate | 2020 |
| Westlande Becks Ltd | Wholesale & retail | 2011 |
| Westleys Groups PVT Ltd | Wholesale & retail | 2026 |
| Westway Properties Limited | Real estate | 2016 |
| Westwood Car & Commercial Ltd | Wholesale & retail | 2003 |
| WHG Holdings Limited | Professional & scientific | 2021 |
| White Horse Property Group Limited | Real estate | 2023 |
| White-Price Property Limited | Real estate | 2017 |
| Whiten DRY Cleaners Ltd | Other services | 2019 |
| Whitman Medical Writing Ltd | Professional & scientific | 2019 |
| Wilmington Kent Storage Limited | Administrative & support | 2024 |
| Wimbourne Consultants Ltd | Professional & scientific | 2017 |
| WIN Transport Services Limited | Transport & logistics | 1998 |
| Winbourne Consultants Ltd | Professional & scientific | 2021 |
| Windmill Street (Kent) Management Company Limited | Households | 2022 |
| Winterburn Studios Ltd | Information & communication | 2024 |
| Wisdom Transport Consultants Limited | Transport & logistics | 2001 |
| WJ Stone Ltd | Other services | 2017 |
| Wolf Motorsport Limited | Arts & recreation | 2022 |
| Woodcrafts Southern Limited | Manufacturing | 2011 |
| Woodford Cathden Ltd | Financial services | 2024 |
| Woodley Property Holdings Ltd | Real estate | 2024 |
| Wright PAY Solutions Ltd | Professional & scientific | 2023 |
| Xmemento Ltd | Wholesale & retail | 2024 |
| XON Cleaning Services Ltd | Administrative & support | 2015 |
| XON Property Services Limited | Construction | 2015 |
| XP Brew Ltd | Wholesale & retail | 2023 |
| Yahweh's Grace Healthcare Limited | Health & social care | 2025 |
| Yamatai Records Ltd | Wholesale & retail | 2022 |
| Yellow Express Limited | Transport & logistics | 2016 |
| YLM Limited | Wholesale & retail | 2017 |
| Your Car Doctor Limited | Manufacturing | 2013 |
| Z L Sullivan Ltd | Health & social care | 2025 |
| ZEB22 Limited | Administrative & support | 2020 |
| Zephyr Nexus Ltd | Wholesale & retail | 2025 |
| Zidas Medics Limited | Health & social care | 2015 |
| Zoltn Ltd | Information & communication | 2017 |
| Zomndeni Ltd | Arts & recreation | 2002 |