| THE Sin's YOU Love Ltd | Hospitality | 2024 |
| THE Skin Care Centre Limited | Other services | 2007 |
| THE Smokin' Barrel Inc Ltd | Hospitality | 2024 |
| THE Spud Family Ltd | Hospitality | 2026 |
| THE Staywell Clinic Ltd | Health & social care | 2025 |
| THE Strength Blueprint Ltd | Other services | 2025 |
| THE Stumble Inn 2018 Ltd | Hospitality | 2018 |
| THE Suffolk Fine Food Company Limited | Hospitality | 2025 |
| THE Supported Fostering Services Charitable Trust | Other services | 1998 |
| THE Sweet Cake Fairy Ltd | Wholesale & retail | 2009 |
| THE Thrivologist Limited | Health & social care | 2023 |
| THE Tintin Shop Online Limited | Wholesale & retail | 2020 |
| THE Verve Creator Network Ltd | Information & communication | 2026 |
| THE Verve Digital Empowerment CIC | Information & communication | 2025 |
| THE Vintage Elegance Ltd | Hospitality | 2026 |
| THE Vinyl Destination Signs Ltd | Professional & scientific | 2023 |
| THE Watering CAN Floristry Ltd | Wholesale & retail | 2020 |
| THE Will House (South East) Ltd | Professional & scientific | 2020 |
| THE Women's Prize for Playwriting Ltd | Arts & recreation | 2023 |
| THE Woodling Group Ltd | Other services | 2019 |
| THE Woolstore (Freehold) Company Limited | Households | 2011 |
| THE Works Equipment Hire Limited | Administrative & support | 2025 |
| THE Worx Holdings Limited | Financial services | 2023 |
| THE Yalding Group Limited | Other services | 2015 |
| THE Yellow Stocks Ltd | Hospitality | 2018 |
| THE Ypres Tavern Limited | Hospitality | 2019 |
| THE Zuhaus Project Limited | Manufacturing | 2020 |
| Thedoghousebullz Ltd | Other services | 2025 |
| Theeran Ltd | Wholesale & retail | 2018 |
| Theola Limited | Other services | 2009 |
| Thermal Renewables UK Ltd | Energy | 2022 |
| Thermotron (UK) Limited | Extraterritorial | 1990 |
| Thetford Property Limited | Real estate | 2019 |
| Theway Limited | Wholesale & retail | 2021 |
| Thewingtsunworkout Ltd | Health & social care | 2025 |
| THG (Kent) Limited | Construction | 2026 |
| Think Bank Limited | Administrative & support | 2003 |
| Think Healthy ME CIC | Health & social care | 2026 |
| Think Healthy ME East Kent CIC | Health & social care | 2020 |
| Think Numbers Records Ltd | Information & communication | 2026 |
| Thomas Body Civil Engineering Limited | Construction | 2018 |
| Thomas Optical Ltd | Health & social care | 2022 |
| Thomas Road Property Limited | Real estate | 2020 |
| Thompson Financial Limited | Financial services | 2003 |
| Thompson Property Investments Ltd | Hospitality | 2022 |
| Thomsett Group Limited | Professional & scientific | 2018 |
| Thorley & Petherick Limited | Manufacturing | 2025 |
| Thornhill Gardens (Residents) Management Company Ltd | Households | 2020 |
| THP Properties Limited | Health & social care | 2021 |
| Threadz of Light Ltd | Manufacturing | 2026 |
| Three Dees Hospitality Limited | Hospitality | 2025 |
| Three Hats Limited | Hospitality | 2003 |
| Threetsbay Investment Limited | Real estate | 2025 |
| Threetsbay Solution Ltd | Professional & scientific | 2011 |
| Throne Music Entertainment Limited | Arts & recreation | 2013 |
| TI Retails Ltd | Wholesale & retail | 2023 |
| TIA Solution Limited | Information & communication | 2013 |
| Tickittyboo Limited | Wholesale & retail | 2003 |
| Tidayos Limited | Health & social care | 2016 |
| Tides Taxis Ltd | Transport & logistics | 2022 |
| Tiffany&Tiana World Limited | Real estate | 2023 |
| Tika Signs Limited | Manufacturing | 2025 |
| Tillett Group Limited | Manufacturing | 2017 |
| Tillett Holdings Limited | Construction | 2005 |
| Tillett Limited | Manufacturing | 2001 |
| Tilley Scaffolding Ltd | Construction | 2023 |
| Timma Private Limited | Hospitality | 2023 |
| Tina Edwards Limited | Households | 2024 |
| Tintin Distribution UK Limited | Administrative & support | 2012 |
| Tiny Tots Service Ltd | Health & social care | 2016 |
| Tinys Toes Daycare Ltd | Health & social care | 2026 |
| TIP Top Clearances Ltd | Wholesale & retail | 2008 |
| Tipped Recruitment Ltd | Administrative & support | 2024 |
| Tiptop Home Renovations Ltd | Construction | 2023 |
| Tire Tyres Limited | Manufacturing | 2025 |
| Tisst LLP | | 2023 |
| TJ Management Services Ltd | Construction | 2024 |
| Tjay Autos Limited | Wholesale & retail | 2009 |
| TLA Commercial Partnerships Ltd | Professional & scientific | 2025 |
| Tldm Ltd | Information & communication | 2022 |
| TN Coco Nails & Spa Ltd | Other services | 2019 |
| TNM UK Ltd | Wholesale & retail | 2011 |
| TNN 75 Ltd | Transport & logistics | 2017 |
| Tobim Limited | Wholesale & retail | 2024 |
| TOC Transport Limited | Transport & logistics | 2022 |
| Todala Investments Limited | Manufacturing | 2014 |
| Todd Investments Limited | Financial services | 2012 |
| Toddicare Ltd | Wholesale & retail | 2019 |
| Toffoo Limited | Information & communication | 2018 |
| Tohome Ltd | Wholesale & retail | 2023 |
| Tolley Groundwork’S Ltd | Construction | 2021 |
| TOM Layzell Limited | Health & social care | 2021 |
| Tomarely Ltd | Transport & logistics | 2024 |
| Tombell Education Ltd | Information & communication | 2016 |
| TON Care Services Ltd | Health & social care | 2019 |
| Tonge Barn Limited | Hospitality | 2015 |
| Toni Inclusion Coach Ltd | Administrative & support | 2023 |
| Tonibell Ice Cream Limited | Manufacturing | 2018 |
| Tonibell Ltd | Wholesale & retail | 2022 |
| Tonio Enterprises Limited | Administrative & support | 2024 |