| Terra Viridis Portfolio Ltd | Real estate | 2022 |
| Terrace Associates Ltd | Real estate | 2012 |
| Terrace Construction Ltd | Real estate | 2023 |
| Terri Gilham Limited | Other services | 2019 |
| Terry Medlock Ltd | Construction | 2017 |
| Tersons Limited | Professional & scientific | 2006 |
| Tessellation Dance CIC | Arts & recreation | 2022 |
| Test My Build Limited | Professional & scientific | 2024 |
| Testwood Court Management Company Limited | Households | 2003 |
| TET Healthcare Ltd | Health & social care | 2023 |
| Tetra Clad Ltd | Construction | 2015 |
| Texturise Limited | Administrative & support | 2015 |
| Teya Investments Number Twenty Five Ltd | Financial services | 2026 |
| TG Bespoke Developments Ltd | Construction | 2024 |
| TG Jointing Services Ltd | Manufacturing | 2012 |
| TG Kent Catering Ltd | Hospitality | 2025 |
| TH French Ltd | Real estate | 2010 |
| TH Hotel Ltd | Hospitality | 2017 |
| Thaara Holdings Ltd | Wholesale & retail | 2024 |
| Thaara Service Station Limited | Wholesale & retail | 2018 |
| Thai Basil Kent Limited | Hospitality | 2024 |
| Thai Go Ltd | Hospitality | 2022 |
| Thaiso Catering Ltd | Wholesale & retail | 2004 |
| Thalang Limited | Transport & logistics | 2023 |
| Thalassa Hythe Limited | Wholesale & retail | 2016 |
| Thamal Limited | Wholesale & retail | 1977 |
| Thames Ditton Landscapes & Fencing Limited | Administrative & support | 2013 |
| Thames Flame Limited | Construction | 2014 |
| Thames Flame Renewables Ltd | Construction | 2024 |
| Thames Launderette & DRY Cleaning Delivery Ltd | Other services | 2023 |
| Thames Launderette & DRY Cleaning Sunbury Ltd | Other services | 2023 |
| Thames Launderette and DRY Cleaning Ltd | Other services | 2016 |
| Thames Property Company Limited(The) | Construction | 1915 |
| Thames Valley Commercial Exports Ltd | Wholesale & retail | 2022 |
| Thames Valley Guide Limited | Information & communication | 2000 |
| Thames Valley Plant Ltd | Construction | 2016 |
| Thames Voyages Holding Ltd | Financial services | 2025 |
| Thames Voyages Limited | Manufacturing | 1975 |
| Thameside Wines Limited | Wholesale & retail | 2000 |
| Thana & Associates Limited | Professional & scientific | 2015 |
| Thanet Crane Hire Ltd. | Administrative & support | 2008 |
| Thanet Tool Supplies Ltd | Wholesale & retail | 2015 |
| Thanet Waste Services Limited | Water & waste | 1998 |
| That Media Team Limited | Professional & scientific | 2021 |
| That Someone Ltd | Information & communication | 2019 |
| THE 3PL International Limited | Transport & logistics | 2017 |
| THE 3RD Way Ltd | Administrative & support | 2013 |
| THE 4253 Locomotive Company Limited | Manufacturing | 2009 |
| THE Abbey Hotel (Battle) Ltd | Hospitality | 2016 |
| THE Abode Design Company Limited | Construction | 2025 |
| THE Academy Boxing Club C.I.C. | Health & social care | 2017 |
| THE Academy of Awareness and Wellbeing Limited | Other services | 2019 |
| THE AJX3 Group Ltd | Administrative & support | 2026 |
| THE Alders Woodland Limited | Households | 2025 |
| THE Alternative Water Bank Limited | Professional & scientific | 2008 |
| THE Andy Clarke Limited | Real estate | 2020 |
| THE Ariston Band Ltd | Arts & recreation | 2023 |
| THE Art of Design Limited | Administrative & support | 1994 |
| THE Artisan Bread Company Ltd | Manufacturing | 2024 |
| THE Ashford Back and Wellness Centre Limited | Health & social care | 2014 |
| THE Ashford Boiler Company Ltd | Construction | 2020 |
| THE Astute Capital Group Limited | Real estate | 2006 |
| THE Bar Tailors Kent Ltd | Wholesale & retail | 2023 |
| THE Barn (Canterbury) Limited | Other services | 2018 |
| THE Barn Shop (Challock) Limited | Wholesale & retail | 2014 |
| THE BBC (2013) Limited | Real estate | 2014 |
| THE Beacon Management Company Limited | Real estate | 2018 |
| THE Bear Clan Creative Solutions Ltd. | Professional & scientific | 2016 |
| THE Best Catering Services Ltd | Hospitality | 2018 |
| THE Best Turkish Restaurant Ltd | Hospitality | 2019 |
| THE Big Cat Foundation | Extraterritorial | 1996 |
| THE Big Cat Sanctuary Experiences Limited | Hospitality | 2015 |
| THE Big Cat Sanctuary Limited | Arts & recreation | 2002 |
| THE Big Sound Collective Limited | Arts & recreation | 2025 |
| THE Bilsington Priory Estate Limited | Agriculture & fishing | 2003 |
| THE Binary Engine Limited | Information & communication | 2011 |
| THE Bird Box Company (Kent) Ltd | Wholesale & retail | 2023 |
| THE Black Horse Pluckley Limited | Hospitality | 2026 |
| THE Black Lion Appledore Limited | Hospitality | 2022 |
| THE Bliss Properties & Investments Ltd | Real estate | 2025 |
| THE Bliss Residential Homes Ltd | Public administration | 2021 |
| THE Block Foundry Limited | Information & communication | 2020 |
| THE Blue Bear Partnership Limited | Transport & logistics | 2013 |
| THE Board Empire Ltd | Wholesale & retail | 2019 |
| THE Body Guys Ltd | Wholesale & retail | 2026 |
| THE Boiler Engineer Limited | Construction | 2007 |
| THE Booking Department Ltd | Administrative & support | 2025 |
| THE Bookkeeping Service Limited | Professional & scientific | 2008 |
| THE Bottled Water Bank Limited | Professional & scientific | 2008 |
| THE Break Room Ashford Ltd | Arts & recreation | 2025 |
| THE Breastfeeding Cafe CIC | Health & social care | 2021 |
| THE Bull Inn Rolvenden Lodges Ltd | Hospitality | 2023 |
| THE Bump, Birth and Baby Hub Ashford CIC | Health & social care | 2025 |
| THE Burke Consultancy Limited | Professional & scientific | 2019 |
| THE Butcher in the Wood Ltd | Wholesale & retail | 2017 |
| THE C and Things Ltd | Transport & logistics | 2020 |
| THE Caldecott Foundation Limited | Education | 1946 |
| THE Canterbury Auction Galleries Ltd | Financial services | 2021 |
| THE Carpet Cleaning Company (North East) Ltd | Administrative & support | 2011 |
| THE Carsite (London) Ltd | Administrative & support | 2010 |