| Stevens & Carlotti Limited | Manufacturing | 1967 |
| Stewart Architects Ltd | Professional & scientific | 2015 |
| Stills Point Services Limited | Professional & scientific | 2020 |
| Stonar Cafe Ltd | Hospitality | 2024 |
| Stonar Gardens Residents Company Limited | Households | 1998 |
| Stonar Vehicle Services Ltd | Wholesale & retail | 2024 |
| Studio Gene Ltd | Professional & scientific | 2026 |
| Sturmer Farms Limited | Agriculture & fishing | 2012 |
| Sumato Engineering Services Limited | Professional & scientific | 2018 |
| Suprainno Tech Limited | Professional & scientific | 2025 |
| Sussex Security Ltd | Administrative & support | 2023 |
| Sweetbriar Management Company Limited | Real estate | 1991 |
| T H Engineering Services Ltd | Professional & scientific | 2009 |
| T P Consultancy Ltd | Construction | 2015 |
| T.C. Ford and Sons Limited | Real estate | 1961 |
| T.C.Ford(Properties)Limited | Real estate | 1961 |
| Target Carbon Management Ltd | Professional & scientific | 2016 |
| Taylor Gurney Ltd | Real estate | 2017 |
| Teaport Asian Food Company Limited | Hospitality | 2023 |
| Techmissions Limited | Real estate | 1983 |
| Techway Limited | Professional & scientific | 2010 |
| Techway Solutions Limited | Professional & scientific | 2018 |
| Tecta Analytics Ltd. | Information & communication | 2019 |
| Temple & Green Ltd | Information & communication | 2021 |
| Tetra Engineering Limited | Construction | 1980 |
| Tetrad Discovery Ltd | Administrative & support | 2012 |
| TG Mark Ltd | Arts & recreation | 2013 |
| Thanet and East Kent Chamber Ltd. | Administrative & support | 2002 |
| Thanet Security Ltd | Administrative & support | 2023 |
| THE Arches Club LLP | | 2025 |
| THE Bowers Strood Management Company Limited | Households | 2026 |
| THE British Hovercraft Company Ltd | Arts & recreation | 2014 |
| THE Bucket & Spade Construction Company Limited | Construction | 2009 |
| THE Bunker Secure Hosting Limited | Professional & scientific | 2006 |
| THE Canterbury Tales Experience Ltd | Arts & recreation | 2021 |
| THE Coastal Corner Limited | Wholesale & retail | 2024 |
| THE Conduit Partnership Limited | Professional & scientific | 2026 |
| THE Dental Shaman Holdings Ltd | Financial services | 2025 |
| THE Diode Shop Limited | Wholesale & retail | 2017 |
| THE Evom Group Limited | Financial services | 2025 |
| THE FAT Tuesday Group Limited | Hospitality | 2022 |
| THE Golf Club Limited | Arts & recreation | 2025 |
| THE Goodmen Project Limited | Hospitality | 2025 |
| THE Holdsworth Distillery Limited | Professional & scientific | 2013 |
| THE London and Paris Hotel Limited | Hospitality | 2021 |
| THE M Solution (Kent) Ltd | Financial services | 2019 |
| THE Old Vicarage 1 - 4 RTM Company Limited | Households | 2023 |
| THE Old Vicarage 5 - 14 RTM Company Limited | Households | 2023 |
| THE Orchard (Woodnesborough) Limited | Administrative & support | 2015 |
| THE Original Sandwich Clothing Co, Ltd | Wholesale & retail | 2025 |
| THE Pilgrims Rest Limited | Wholesale & retail | 1996 |
| THE Sandwich Accountancy Group Ltd | Professional & scientific | 2018 |
| THE Sandwich Shop (Sandwich) Ltd | Hospitality | 2023 |
| THE Sandwich Tanning Lounge Limited | Other services | 2020 |
| THE Smokehouse Group Ltd | Hospitality | 2014 |
| THE ST George's Golf Club Limited | Arts & recreation | 2026 |
| THE Swallows Sandwich Management Limited | Households | 1993 |
| THE Swift Farm Company (Kent) Limited | Agriculture & fishing | 1997 |
| THE Web HUT Limited | Information & communication | 2010 |
| THE WOW Factory (Kent) Limited | Professional & scientific | 2006 |
| THE ZDL Group Limited | Information & communication | 2022 |
| Theodore, Rose & Jane Limited | Construction | 2022 |
| Think IT Code IT Ltd | Wholesale & retail | 2017 |
| Thorpe Bay Fitness Ltd | Arts & recreation | 2021 |
| Threds Construction Ltd | Construction | 2014 |
| Three Roots Kitchen Ltd | Hospitality | 2025 |
| Thrive Therapeutic Fostering Ltd | Other services | 2020 |
| Thundercat Ltd | Real estate | 2025 |
| TIC Live Hub Limited | Information & communication | 2022 |
| Tic-A-Dee-Boo Limited | Administrative & support | 2003 |
| Tide Master Technologies Limited | Professional & scientific | 2025 |
| Tierlist Ltd | Information & communication | 2019 |
| Time & Tide Taphouse Limited | Hospitality | 2022 |
| Titan Industrial Partners 1 Limited | Financial services | 2026 |
| TK Properties (Kent) Ltd | Construction | 2025 |
| Tm&M Services Ltd | Professional & scientific | 2017 |
| Tonic Capital Group Limited | Professional & scientific | 2012 |
| Tonic Capital Limited | Financial services | 2012 |
| Tonic Life Limited | Financial services | 2012 |
| Tonic Recruitment Limited | Administrative & support | 2012 |
| Tonya Neame Limited | Health & social care | 2025 |
| Total - Maintenance North London Ltd | Construction | 2018 |
| Total Motor Care Limited | Manufacturing | 2002 |
| Trend Business Consultants Ltd | Professional & scientific | 2013 |
| Triple Tier Scaffolding Limited | Construction | 2025 |
| TRN - the Research Network Ltd | Professional & scientific | 2011 |
| Troubadour IT Limited | Information & communication | 2024 |
| True Contracting Ltd | Administrative & support | 2020 |
| True Grip OFF Road Limited | Arts & recreation | 2014 |
| Trugym Topco Limited | Professional & scientific | 2021 |
| Truview Limited | Information & communication | 2025 |
| TS Housing Developments Ltd | Construction | 2016 |
| TTG Platform Ltd | Financial services | 2023 |
| Tutor Savvy Limited | Education | 2025 |
| TW Electrical & Building Services Ltd | Construction | 2022 |
| Twin Arches Ltd | Professional & scientific | 2021 |
| Two Pines Prestige Cars Ltd | Wholesale & retail | 2024 |
| U-CHOOSE-2-FOSTER Ltd | Other services | 2018 |
| Upjohn UK 2 Ltd. | Financial services | 2019 |
| Upjohn UK Limited | Wholesale & retail | 2018 |