| SL Chauffeur Services Limited | Transport & logistics | 2024 |
| SL Recruitment Limited | Administrative & support | 2024 |
| Smart Renovations (South East) Ltd | Construction | 2019 |
| SPEECH4ALL Ltd | Health & social care | 2023 |
| Spiffing Banjo Limited | Hospitality | 2019 |
| ST Mildreds (Block a) Management Company Limited | Real estate | 2009 |
| ST Saviours (Westgate on Sea) Management Limited | Administrative & support | 1997 |
| Stage by Stage Ltd | Education | 2015 |
| Station Super Store (Kent) Ltd | Wholesale & retail | 2026 |
| Supreme Vape Distro Limited | Wholesale & retail | 2018 |
| Teff Drains Ltd | Water & waste | 2024 |
| Thanet Extinguishers Ltd | Public administration | 2023 |
| Thanet Financial Services Limited | Professional & scientific | 1986 |
| Thanet Para-Verse CIC | Administrative & support | 2025 |
| Thanet Urban Forest CIC | Administrative & support | 2020 |
| THE Cedars Flat Management Company Limited | Real estate | 2006 |
| THE Firs 28 Westgate Bay Avenue (RTM) Company Limited | Households | 2009 |
| THE Millies Beach Bar Ltd | Hospitality | 2025 |
| THE Observatory CT8 8QG Management Company Limited | Administrative & support | 2008 |
| THE Rockstar Experience U.K. CIC | Other services | 2023 |
| THE Spitfire Cafe Manston Limited | Hospitality | 2022 |
| THE ST Mildreds Bay Ltd | Hospitality | 2019 |
| THE Way Back Group Ltd | Information & communication | 2019 |
| Thebugscreen.Com Limited | Manufacturing | 2024 |
| Thirsty Mind Ltd | Professional & scientific | 2007 |
| Thirsty Mind Property Ltd | Real estate | 2021 |
| Tidewell Mews Management Company Limited | Professional & scientific | 2011 |
| Timberstone Floor Restoration Limited | Construction | 2011 |
| TJB Rail Limited | Construction | 2019 |
| Tronic Logistics Ltd | Transport & logistics | 2021 |
| Trust Therapy Ltd | Health & social care | 2019 |
| TS Integrated Systems Ltd | Construction | 2018 |
| Two 20 Limited | Information & communication | 2008 |
| UK Property Asset Management Limited | Real estate | 2011 |
| Unme Ltd | Information & communication | 2024 |
| Update Media Group Ltd | Professional & scientific | 2023 |
| V M Express Westgate-On-Sea Ltd | Wholesale & retail | 2022 |
| V.J.Woolls,Limited | Hospitality | 1928 |
| VA Photography and Media Ltd | Professional & scientific | 2023 |
| Vecihi Ltd | Hospitality | 2019 |
| Victoria Crawley Limited | Information & communication | 2007 |
| Votta Sales & Lettings Limited | Real estate | 2022 |
| Wantsum Training Ltd | Education | 2025 |
| Warner Property Services Holdings Limited | Financial services | 2019 |
| Warner Street Limited | Real estate | 2019 |
| Water OUR World Limited | Extraterritorial | 2007 |
| Watford Consulting Ltd | Information & communication | 2009 |
| WE Love Inc Limited | Professional & scientific | 2019 |
| Wells Holdings Limited | Financial services | 2017 |
| West Bay Apartments (Westgate-On-Sea) Management Company Limited | Households | 2011 |
| West Bay Cafe Ltd | Hospitality | 2016 |
| Westgate Bay Limited | Real estate | 2013 |
| Westgate Bennett Limited | Professional & scientific | 2017 |
| Westgate Fish and Chips Ltd | Hospitality | 2025 |
| Westgate Matters CIC | Education | 2024 |
| Westgate Pavilion Ltd | Arts & recreation | 2020 |
| Westgate-On-Sea Investment Company Limited | Real estate | 1959 |
| White Tiger Digital Limited | Professional & scientific | 2025 |
| Whizzbang Historical Ltd | Administrative & support | 2023 |
| Witness Support Dogs CIC | Public administration | 2025 |
| World Tree Music Limited | Information & communication | 2012 |
| Wornham Properties Limited | Real estate | 2023 |
| WSM Barbers Westgate Limited | Other services | 2025 |
| Ziggys Tech Limited | Wholesale & retail | 2025 |