| Style Cast Holdings Limited | Financial services | 2017 |
| Suaimhneas Psychology Limited | Health & social care | 2025 |
| Suaunboon Ltd | Manufacturing | 2025 |
| Suffolk Forklift Training Limited | Extraterritorial | 2024 |
| Sunley (Copperhurst) Residents Association Limited | Households | 1982 |
| Sunrose Ltd | Other services | 2024 |
| Superclass Consultants Limited | Professional & scientific | 2005 |
| Surrey Forklift Training Limited | Extraterritorial | 2016 |
| Surrey House (Broadstairs) Limited | Households | 1992 |
| Sussex Forklift Training Limited | Education | 2014 |
| Sustainable Property Management Limited | Real estate | 2011 |
| SW Solutions Decorators Ltd | Construction | 2018 |
| Swiftmill Ltd | Wholesale & retail | 2025 |
| SWINGTECH19 Ltd | Construction | 2023 |
| Sykes Property Limited | Real estate | 2015 |
| Sysdex Limited | Construction | 2012 |
| Sysdex Modular Car Park Systems Ltd | Construction | 2017 |
| T Pryor Property Services Limited | Construction | 2019 |
| Taking the Pest Limited | Professional & scientific | 2025 |
| Talespinners Studios Ltd | Information & communication | 2016 |
| Tara Smith Global Limited | Wholesale & retail | 2018 |
| TAT Pro Selection Ltd | Professional & scientific | 2012 |
| Taxis Thanet Express Travel Ltd | Transport & logistics | 2024 |
| Tbassets Ltd | Administrative & support | 2025 |
| TBM Capital Ltd | Real estate | 2024 |
| Tclm Property Investment Limited | Real estate | 2022 |
| Tea-Powered Games Limited | Information & communication | 2013 |
| Team Artichoke Limited | Information & communication | 2021 |
| Terence Painter Properties Limited | Real estate | 2009 |
| Terry Warner Heating & Plumbing Ltd | Construction | 2022 |
| Testing and Commissioning Solutions Ltd | Construction | 2024 |
| Text IT Limited | Administrative & support | 2008 |
| Thai Siam Kitchen Limited | Hospitality | 2019 |
| Thai Village Restaurant and Bar Limited | Hospitality | 2019 |
| Thalamus Digital Publishing Ltd | Information & communication | 2017 |
| Thalamus Ltd | Information & communication | 2022 |
| Thanet Big Sing Community Choir CIC | Arts & recreation | 2024 |
| Thanet Coatings Ltd. | Manufacturing | 1992 |
| Thanet Commercials Limited | Wholesale & retail | 2002 |
| Thanet Construction & Property Management Ltd | Construction | 2015 |
| Thanet Direct Cremations Ltd | Other services | 2024 |
| Thanet Early Years Project | Education | 2003 |
| Thanet Endeavour Learning Trust | Education | 2014 |
| Thanet Garden Services Limited | Administrative & support | 2023 |
| Thanet Health Community Interest Company | Health & social care | 2011 |
| Thanet Holdings Ltd | Real estate | 2021 |
| Thanet Hollywood Limited | Administrative & support | 2006 |
| Thanet Locksmiths Ltd | Construction | 2026 |
| Thanet Premier Business Group CIC | Other services | 2012 |
| Thanet Property Enterprise II Ltd | Construction | 2022 |
| Thanet Property Enterprise Ltd | Construction | 2018 |
| Thanet Safe Ltd | Other services | 2006 |
| Thanuvan and Associates Ltd | Health & social care | 2019 |
| THE Bank JOB Ltd | Hospitality | 2019 |
| THE Beauty Bar Broadstairs Ltd | Other services | 2024 |
| THE Black Stuff Management Company Ltd | Households | 2023 |
| THE Boathouse Broadstairs Ltd. | Professional & scientific | 2011 |
| THE Broadie Limited | Information & communication | 2008 |
| THE Bull Agency Ltd | Professional & scientific | 2010 |
| THE Consortium of Gentlemen Worldwide Limited | Information & communication | 1999 |
| THE Costume Archive Limited | Information & communication | 2023 |
| THE Courtyard at Chapel House Limited | Hospitality | 2023 |
| THE Dental Surgery (Broadstairs) Limited | Health & social care | 2014 |
| THE Facial Box Ltd | Wholesale & retail | 2019 |
| THE Fiction Department Limited | Other services | 2020 |
| THE Fire Damper Company Ltd | Construction | 2023 |
| THE Fireplace Company (Kent) Limited | Administrative & support | 2009 |
| THE Funicular Ltd. | Construction | 2018 |
| THE Gauge O Guild Limited | Other services | 1991 |
| THE Grass Master Limited | Administrative & support | 2006 |
| THE Guardian Medics Ltd | Health & social care | 2003 |
| THE Harry Levy Group Limited | Real estate | 2015 |
| THE High Wish Management Company Limited | Households | 2016 |
| THE Infrastructure Company Africa Ltd | Administrative & support | 2024 |
| THE Intro Agency Ltd | Professional & scientific | 2026 |
| THE IT Company (South East) Ltd | Information & communication | 2011 |
| THE Kent EYE Clinic Ltd | Health & social care | 2008 |
| THE Kent School of English Limited | Education | 2003 |
| THE Lancaster (NO.4) Management Company Limited | Households | 2002 |
| THE Lawns (Broadstairs) Ltd | Households | 2013 |
| THE Little Sicilian Ltd | Administrative & support | 2018 |
| THE Luxury Golf Package Company Ltd | Administrative & support | 2026 |
| THE Metal Workshop S.E Ltd | Manufacturing | 2013 |
| THE Mortgage Shop (Kent) Limited | Financial services | 1999 |
| THE New Old Bakehouse Broadstairs Limited | Wholesale & retail | 2023 |
| THE Old Bakehouse Broadstairs Limited | Wholesale & retail | 2015 |
| THE Old Coach House Workshop Ltd | Manufacturing | 2024 |
| THE Old Fishing Store Ltd | Real estate | 2020 |
| THE Old Toy Soldier Journal Ltd | Information & communication | 2025 |
| THE Origin of Species Ltd | Agriculture & fishing | 2023 |
| THE Peaky B Pizza Limited | Hospitality | 2025 |
| THE Pear Tree Tavern & Properties Ltd | Real estate | 2021 |
| THE Pettycoat Junction Ltd | Other services | 2015 |
| THE Pizzeria Ltd | Hospitality | 2026 |
| THE Point (Western Esplanade) Management Company Limited | Households | 2013 |
| THE Portgate Group Ltd | Manufacturing | 2020 |
| THE Ransom Family LLP | | 2024 |
| THE Secret Beauty Clinic Ltd. | Other services | 2012 |
| THE Sleepwalker Music Limited | Information & communication | 2016 |
| THE Smart Way to Rent Ltd | Administrative & support | 2017 |