| THE Packaging Planet Ltd | Administrative & support | 2025 |
| THE Parrot Theatre Company CIC | Arts & recreation | 2019 |
| THE Participation People Limited | Administrative & support | 2010 |
| THE Pavilions (Canterbury) Leasehold Management Company Limited | Households | 2011 |
| THE Pavilions (Canterbury) Management Company Limited | Households | 2011 |
| THE Pedaler in the Yard Limited | Hospitality | 2022 |
| THE Pelham Group Limited | Real estate | 1991 |
| THE Pickle JAR Private Therapy Practice Ltd | Health & social care | 2025 |
| THE Pike Star Foundation | Administrative & support | 2022 |
| THE Pilgrims Store Limited | Administrative & support | 2017 |
| THE Pines Puckle Lane (Canterbury) Management Company Limited | Households | 2002 |
| THE PIT Boxing Gym Ltd | Arts & recreation | 2025 |
| THE Playwright’S Laboratory Limited | Professional & scientific | 2023 |
| THE Poetry Practice Limited | Arts & recreation | 2015 |
| THE Powell Arms LLP | | 2013 |
| THE Priestly Company Ltd | Wholesale & retail | 2024 |
| THE Privacy Compliance Hub Limited | Information & communication | 2017 |
| THE Project Management Group Limited | Construction | 2019 |
| THE Purple Edge Marketing Limited | Professional & scientific | 2007 |
| THE Queens (Deal) Estate Co. Limited | Administrative & support | 1995 |
| THE Rare Vault Ltd | Wholesale & retail | 2026 |
| THE Really Stable Company Limited | Hospitality | 2000 |
| THE Red Lion at Stodmarsh Limited | Hospitality | 2024 |
| THE Redeemed Christian Church of GOD City of David Canterbury Ltd | Other services | 2025 |
| THE Reid Collective Ltd | Professional & scientific | 2026 |
| THE Relationship Growth Centre Ltd | Information & communication | 2025 |
| THE Right Ethos Ltd | Administrative & support | 2007 |
| THE River Boat Company Limited | Transport & logistics | 2024 |
| THE Riverside (Dour) Limited | Households | 2005 |
| THE Rodea Ryan & Ryan Partnership LLP | | 2020 |
| THE Running Outlet Limited | Wholesale & retail | 2009 |
| THE Secret Sauna Ltd | Other services | 2025 |
| THE Ship (Herne Bay) Limited | Hospitality | 2017 |
| THE Showroom (Canterbury) Holdings Limited | Financial services | 2020 |
| THE Showroom (Canterbury) Limited | Real estate | 2020 |
| THE Signature Shop Limited | Wholesale & retail | 2012 |
| THE Sleep Store and More Ltd | Administrative & support | 2016 |
| THE Snappy Studio Limited | Wholesale & retail | 2025 |
| THE Social Justice Network Ltd | Other services | 2013 |
| THE South East Children's and Young Person's Group Ltd | Other services | 2025 |
| THE Statement Enterprise Ltd | Hospitality | 2018 |
| THE Steam Museum Trust Limited | Arts & recreation | 2007 |
| THE Stour Academy Trust | Education | 2012 |
| THE Sun Hotel Canterbury Ltd | Hospitality | 2021 |
| THE Sundas Shop Limited | Wholesale & retail | 2025 |
| THE Sustainable Printworks Ltd | Manufacturing | 2016 |
| THE Tamasha Group U.K. Ltd | Hospitality | 2025 |
| THE Thanet Animal Cemetery Ltd | Other services | 2011 |
| THE Thorndene Society Limited | Health & social care | 2004 |
| THE Three Tuns 1959 Limited | Professional & scientific | 2019 |
| THE Three Tuns Consulting Limited | Professional & scientific | 2019 |
| THE Travelling Thai Limited | Hospitality | 2023 |
| THE Tudor Peacock Ltd | Wholesale & retail | 2020 |
| THE Tutor Experience Limited | Education | 2024 |
| THE UK Slackline Club Ltd | Arts & recreation | 2020 |
| THE Vape Mixers Ltd | Manufacturing | 2024 |
| THE Vineyard Garden Centre Ltd | Wholesale & retail | 2008 |
| THE Vineyard Teashop Ltd | Hospitality | 2010 |
| THE Violet Flame Experience Ltd | Information & communication | 2024 |
| THE Voices Project | Professional & scientific | 2013 |
| THE WAR and Peace Show Limited | Extraterritorial | 2012 |
| THE Water Tower Management Company (Chartham) Limited | Households | 2005 |
| THE Wild Organics Company Ltd | Manufacturing | 2026 |
| THE Woodthorpe Partnership Limited | Health & social care | 2015 |
| THE WYE Beagles Limited | Other services | 2003 |
| The-Topdoc Ltd | Information & communication | 2026 |
| Theatre House Bar Limited | Administrative & support | 2016 |
| Thedx Limited | Information & communication | 2019 |
| Thejobsboard.Co.Uk Ltd | Administrative & support | 2025 |
| Thelonghouse Limited | Professional & scientific | 2014 |
| Theo Chikomba Limited | Information & communication | 2025 |
| Theodoros Mechteridis Limited | Health & social care | 2017 |
| Theraphy Clinic QA Academy Ltd | Health & social care | 2026 |
| Therapy Island Limited | Information & communication | 2025 |
| There Will BE Consequences Limited | Administrative & support | 2022 |
| Thermasystems Limited | Construction | 2017 |
| Thinkloud Technologies Limited | Information & communication | 2019 |
| Thinktribe Ltd | Information & communication | 2019 |
| Third PIG Property Limited | Real estate | 2013 |
| Thirteen Investments Limited | Real estate | 2018 |
| Thirty Three Holdings Ltd | Real estate | 2018 |
| Thistle & Four Consultancy Limited | Education | 2025 |
| Thistledown Property Limited | Extraterritorial | 2004 |
| Thomas - Benacci Limited | Wholesale & retail | 1977 |
| Thomas Kwok EYE Care Limited | Health & social care | 2019 |
| Thomas Martin Builders Limited | Construction | 2014 |
| Thor Group Limited | Professional & scientific | 1995 |
| Thornhill Eco Design Ltd | Manufacturing | 2015 |
| Thornhill Range Cookers Ltd | Manufacturing | 2009 |
| Thoroughbred Genetics Ltd | Professional & scientific | 2000 |
| Thorpe Farm Holdings Limited | Agriculture & fishing | 2020 |
| Thorson Estates Limited | Professional & scientific | 2019 |
| Thorsons (Tenterden) Ltd | Construction | 2020 |
| Thorsons Farms Limited | Agriculture & fishing | 2019 |
| Thorsons Health Ltd | Health & social care | 2021 |
| Thorsons Holdings Limited | Financial services | 2019 |
| Thorsons Investments Limited | Financial services | 2019 |
| Thorsons Property Ltd | Real estate | 2020 |
| Three Crows Tattoo Ltd | Arts & recreation | 2015 |
| Three Hats Advisory Limited | Professional & scientific | 2024 |