| Williams Reupholstery and Furniture Covers Limited | Manufacturing | 2017 |
| Willow Building & Property Services Limited | Construction | 2021 |
| Wilson’S Mobile Tyres Ltd | Manufacturing | 2021 |
| Wind Power Energy (Ramsgate) Ltd | Professional & scientific | 2018 |
| Windvale Consulting Ltd | Professional & scientific | 2024 |
| Winemakers of GB Collective Ltd | Manufacturing | 2025 |
| Winning Mentality Breaks Limited | Wholesale & retail | 2026 |
| WJS Group Limited | Financial services | 2019 |
| WLC Wholesale Limited | Wholesale & retail | 2025 |
| Woodland Carpentry & Joinery Limited | Administrative & support | 1997 |
| Woodward & White Interiors Limited | Construction | 2021 |
| Woodys Parade Margate Limited | Hospitality | 2026 |
| Work Show Grow Limited | Professional & scientific | 2020 |
| World Cinema Ltd | Professional & scientific | 2021 |
| World Class Performance Limited | Other services | 1990 |
| Wrotham Road Development Ltd | Real estate | 2023 |
| WSO Carpentry and Building Ltd | Other services | 2017 |
| XLR Maintenance Ltd | Administrative & support | 2022 |
| XR Musica Ltd | Information & communication | 2023 |
| Xylo Brewing Ltd | Manufacturing | 2018 |
| Y & O Property Ltd | Real estate | 2023 |
| Y7 Electrical Ltd | Construction | 2024 |
| Yellowjacket Digital Marketing Co. Ltd. | Professional & scientific | 2014 |
| YO! Street Zone CIC | Education | 2020 |
| Yoakley Care Share Limited | Extraterritorial | 2015 |
| Yoakley Care Trustee Limited | Extraterritorial | 2014 |
| Yomp Media Ltd | Professional & scientific | 2026 |
| Yoshi Build Ltd | Construction | 2024 |
| Your Dream Spaces Ltd | Construction | 2025 |
| Your Numbers Limited | Information & communication | 2020 |
| Yuri Suzuki Limited | Professional & scientific | 2013 |
| Zanhealthcare Ltd | Administrative & support | 2022 |
| Zemlyauk Ltd | Extraterritorial | 2021 |
| ZEN by the Sea Ltd | Wholesale & retail | 2019 |
| Zeus Property Investments Ltd | Hospitality | 2021 |
| Zoah Ltd | Manufacturing | 2021 |
| Zoni Chicken Limited | Hospitality | 2025 |
| Zubies Limited | Health & social care | 2024 |
| Zubler Accountancy Services Ltd | Professional & scientific | 2019 |