| Spotpatch Property Management Limited | Households | 1991 |
| ST Francis Fields Community Interest Company | Other services | 2021 |
| ST John's Road Garage Limited | Wholesale & retail | 2005 |
| ST Michael Fish & Chips Kent Ltd | Hospitality | 2025 |
| ST Michaels Barbers & Nails Ltd | Other services | 2019 |
| ST Michaels Car Hire Limited | Transport & logistics | 2025 |
| Stafford Moss Consulting Ltd | Professional & scientific | 2023 |
| Stalwart Management Services Ltd | Construction | 2000 |
| Steve Morley Financial Solutions Limited | Financial services | 2014 |
| Stilwell International Ltd | Transport & logistics | 2025 |
| Stoneway Consultants Ltd | Arts & recreation | 2012 |
| Streett Marburg Limited | Wholesale & retail | 2016 |
| Stuart Hoad Limited | Health & social care | 2009 |
| Studio Cauldron Ltd | Information & communication | 2017 |
| Studio Dunn Limited | Construction | 2017 |
| Sunbloc Limited | Manufacturing | 2010 |
| Sundance Construction Limited | Construction | 2001 |
| Sundance Consultancy Limited | Real estate | 2015 |
| Sunrise Catering Ltd | Hospitality | 2020 |
| Surgical Synergy Limited | Health & social care | 2009 |
| Susan Room Limited | Administrative & support | 2021 |
| Sutton Architects Ltd | Professional & scientific | 2018 |
| Sutton Landscaping (East Sussex) Ltd | Administrative & support | 2018 |
| Sutton Manor Nursery Ltd | Wholesale & retail | 2008 |
| Swcplumbing and Electrical Ltd | Construction | 2017 |
| Sweeneys of Biddenden Limited | Other services | 2021 |
| Sweetridge Limited | Construction | 1972 |
| SWF Property Ltd | Real estate | 2025 |
| T & C Tyres and Transport Ltd | Wholesale & retail | 2026 |
| T J Fish & Chips Limited | Hospitality | 2020 |
| T W Fuggle & SON Limited | Professional & scientific | 2009 |
| Tabibito Limited | Professional & scientific | 2013 |
| Tamarind Thai Tenterden Limited | Hospitality | 2024 |
| Tamroy Ltd | Agriculture & fishing | 2020 |
| Tamzin Reid Coaching CIC | Education | 2023 |
| Tauristic Limited | Information & communication | 2012 |
| Tawnyswift Limited | Financial services | 1984 |
| Taylor's Green Fingers Ltd | Administrative & support | 2026 |
| TBG Gutters Ltd | Administrative & support | 2025 |
| Tbse Limited | Other services | 2015 |
| Tdcc Limited | Administrative & support | 2010 |
| Technical Scientific Services Limited | Other services | 2017 |
| Tekiu Limited | Education | 2012 |
| Telford Court (RYE) Management Limited | Administrative & support | 2016 |
| Teller Press Ltd | Information & communication | 2023 |
| Tenderden the Beauty Ritual Ltd | Other services | 2023 |
| Tenterden Business Services Ltd | Administrative & support | 2014 |
| Tenterden Electrical Ltd | Construction | 2020 |
| Tenterden GC Trading Ltd | Arts & recreation | 2024 |
| Tenterden Outside Catering Ltd | Hospitality | 2024 |
| Tenterden PO Limited | Wholesale & retail | 2023 |
| Tenterden Roofing Company Limited | Construction | 2024 |
| Tenterden Schools Trust | Education | 2011 |
| Tenterden Social Hub and Dementia Centre Limited | Health & social care | 2008 |
| Tenterden Tiling Limited | Construction | 2013 |
| Tenterden Town Barbers Ltd | Other services | 2024 |
| Tenxc Limited | Professional & scientific | 2020 |
| Thames Cruises Holdings Limited | Transport & logistics | 2018 |
| THE Anglo Zulu WAR Historical Society Limited | Other services | 1997 |
| THE Anglo Zulu WAR Research Society Limited | Education | 2004 |
| THE British Lion Folkestone Limited | Hospitality | 2014 |
| THE Business Intelligence Network Limited | Administrative & support | 2002 |
| THE Chair Repair Workshop Limited | Other services | 2002 |
| THE Collaboration Partnership Limited | Professional & scientific | 2010 |
| THE Hive Management Company Limited | Households | 2018 |
| THE Hughes Project Limited | Real estate | 2017 |
| THE Kench Hill Charity | Hospitality | 2008 |
| THE Kent PEG Tiling Company Limited | Professional & scientific | 2001 |
| THE Legg Consultancy Ltd | Professional & scientific | 2015 |
| THE Little Barn Studio Ltd | Arts & recreation | 2024 |
| THE Little Fabric Company Limited | Wholesale & retail | 2022 |
| THE Locomotive Public House Limited | Hospitality | 2003 |
| THE Natural Wood Company (UK) Ltd | Wholesale & retail | 2014 |
| THE PMO Hub Limited | Information & communication | 2019 |
| THE Price Whitehead Company Limited | Agriculture & fishing | 2002 |
| THE Red Cabin Ltd | Manufacturing | 2023 |
| THE Saint Appliance Repairs Limited | Other services | 2024 |
| THE Sinden Theatre Limited | Wholesale & retail | 2025 |
| THE Stylesmiths London PTY Ltd | Professional & scientific | 2022 |
| THE System Designer Ltd | Professional & scientific | 2022 |
| THE Weller Edge Ltd | Professional & scientific | 2025 |
| Tighes Private Hire Ltd | Transport & logistics | 2026 |
| Timmons Properties Limited | Real estate | 2006 |
| TMC Setting OUT Limited | Construction | 2015 |
| Toll Rides (OFF Road) Trust | Agriculture & fishing | 1992 |
| Tollgate Life Solutions Ltd | Administrative & support | 2026 |
| Tonbridge 196 Limited | Real estate | 2016 |
| Tony's Catering Ltd | Hospitality | 2024 |
| Tops (GTD) Limited | Construction | 1996 |
| Torminalis Limited | Real estate | 2008 |
| Town and Country Homecare Ltd | Health & social care | 2006 |
| Townfields Management Limited | Professional & scientific | 2015 |
| Trading Company BL Ltd | Other services | 2011 |
| Trefilik & Co Limited | Real estate | 2017 |
| Trenley Productions Ltd | Arts & recreation | 2018 |
| Triage (Beyond Zero) Limited | Information & communication | 2024 |
| Trim Smart Group Ltd | Wholesale & retail | 2025 |
| Trim Smart Kent, Surrey and London Limited | Wholesale & retail | 2017 |
| Trova Capital Ltd | Information & communication | 2018 |
| Truth Monkey Consulting Limited | Professional & scientific | 2019 |