| Target Refrigeration Ltd | Administrative & support | 2019 |
| Tarkett Limited | Manufacturing | 1976 |
| Tarmax Limited | Construction | 2018 |
| Taruti Limited | Health & social care | 2014 |
| TAS Office Services Ltd | Administrative & support | 2004 |
| Taskon Medical Ltd | Health & social care | 2020 |
| Taste Media Group Limited | Information & communication | 2023 |
| Tasty Burgers Ashford Ltd | Hospitality | 2022 |
| Tattvix Ltd | Information & communication | 2026 |
| Taverncreative Limited | Professional & scientific | 2017 |
| Tavo Entertainments Ltd | Arts & recreation | 2026 |
| Tax First Consultants Ltd | Professional & scientific | 2020 |
| Taxultant Group Ltd | Administrative & support | 2026 |
| Taylor and Sons Ltd | Construction | 2025 |
| Taylor Bridge Management Ltd | Real estate | 2025 |
| Taylor MOT Ltd | Wholesale & retail | 2018 |
| Taylor's of Surrey Limited | Real estate | 2023 |
| Taylor's Trims Training Academy Ltd | Education | 2022 |
| Taylored Improvements Ltd | Manufacturing | 2025 |
| Taylors Garages (WYE) Limited | Construction | 1953 |
| Taylors Trims Pet Spa Ltd | Other services | 2021 |
| TAZ Automotive Limited | Other services | 2017 |
| TAZ Corporation Limited | Wholesale & retail | 2005 |
| TAZ Property 2 Limited | Real estate | 2019 |
| TAZ Property 3 Limited | Real estate | 2019 |
| TAZ Property 4 Limited | Real estate | 2019 |
| TAZ Tranz Limited | Transport & logistics | 2005 |
| TB Electrical Improvement Ltd | Manufacturing | 2021 |
| TBI Advisers Ltd | Construction | 2016 |
| TC Brooklands Ltd | Real estate | 2018 |
| TC Construction & Homes Limited | Real estate | 2016 |
| TCB Property Developers Limited | Real estate | 2013 |
| TCC Events Ltd | Other services | 2019 |
| TCH Crane Hire Limited | Administrative & support | 2020 |
| TCH Logistics Limited | Transport & logistics | 2025 |
| Tcsl Investments Limited | Construction | 2023 |
| TCT (MOT) Limited | Manufacturing | 2004 |
| TD Carpentry and Building Ltd | Construction | 2023 |
| TD Services (Kent) Limited | Professional & scientific | 2007 |
| TDG Groundworks Limited | Construction | 2019 |
| TDS Capital Management Limited | Financial services | 2021 |
| TDW Global Limited | Information & communication | 2021 |
| Tea and Coffee.Com Ltd | Extraterritorial | 2000 |
| Teachright (HBB) Limited | Professional & scientific | 1998 |
| Teachright (Surrey) Limited | Professional & scientific | 2005 |
| Teague Consultancy Limited | Professional & scientific | 2007 |
| Team Assets Limited | Construction | 2022 |
| Team D'Uk Limited | Professional & scientific | 2019 |
| Team Onboard Ltd | Administrative & support | 2017 |
| Tebbs Couriers Limited | Transport & logistics | 2014 |
| Tebbs Properties Ltd | Real estate | 2020 |
| Tech Electrical Solutions Ltd | Construction | 2018 |
| Tech Style Ltd | Wholesale & retail | 2017 |
| Tech-Investments Limited | Financial services | 2023 |
| Techab Limited | Information & communication | 2019 |
| Techfriday Ltd | Information & communication | 2015 |
| Techiework Ltd | Information & communication | 2011 |
| Techkee Limited | Information & communication | 2024 |
| Technical Air Solutions Limited | Other services | 2006 |
| Technical Scaffolding Limited | Construction | 2016 |
| Techno Props Limited | Professional & scientific | 2020 |
| Technoivity Limited | Information & communication | 2018 |
| Technology Consultancy Limited | Information & communication | 2018 |
| Technology in Music Education C.I.C. | Education | 2019 |
| Techpitch Ltd | Wholesale & retail | 2019 |
| Techsmart Consulting Ltd | Information & communication | 2024 |
| TED Bhunson Exploration Limited | Professional & scientific | 2011 |
| Teddy Properties Ltd | Real estate | 2017 |
| TEG Consultancy Ltd | Professional & scientific | 2025 |
| Teg&Ken Limited | Administrative & support | 2022 |
| Tegra Limited | Professional & scientific | 1978 |
| Telematics Managed Services Limited | Information & communication | 2010 |
| Telford Jones Limited | Administrative & support | 2002 |
| Telfords Accountants Limited | Professional & scientific | 2009 |
| Tellurian PLC | | 1993 |
| TEM - FX Ltd | Health & social care | 2013 |
| TEM Properties Co Ltd | Real estate | 2021 |
| Temparo Ltd | Information & communication | 2020 |
| Temple Atulya Ltd | Manufacturing | 2024 |
| Temple Broze Limited | Administrative & support | 2008 |
| Temple Design and Construction Limited | Construction | 2020 |
| Temple Entertainment Limited | Information & communication | 2013 |
| Tempza Ltd | Administrative & support | 2013 |
| TEN Bottles Wimborne Ltd | Hospitality | 2023 |
| TEN Percent Less Ltd | Administrative & support | 2025 |
| Tenbury Ltd | Real estate | 1996 |
| Tendernest Care Glebe Lane Ltd | Health & social care | 2025 |
| Tenderwood Limited | Professional & scientific | 2015 |
| Tenterden and District Motorcycle Club Limited | Other services | 2004 |
| Tenterden Removals and Storage Ltd | Transport & logistics | 2019 |
| Tenterden Sushi Limited | Hospitality | 2022 |
| Tepios Ltd | Extraterritorial | 2019 |
| Tepnotikservices Ltd | Administrative & support | 2020 |
| Terahard Ltd | Information & communication | 2012 |
| Teratherm Energy Group Ltd | Energy | 2025 |
| Teratherm Energy Ltd | Energy | 2024 |
| Terminal Electrics Ltd | Professional & scientific | 2007 |
| Terra Cluo Limited | Wholesale & retail | 2015 |
| Terra Explorers Limited | Financial services | 2018 |
| Terra Trades and Consulting Services Ltd | Transport & logistics | 2023 |