| Techfellow Limited | Other services | 2012 |
| Teesside Medicare LLP | | 2022 |
| Teleios Executive Search Limited | Administrative & support | 2025 |
| Telemetry Solutions Limited | Information & communication | 2011 |
| Temp Technical Limited | Manufacturing | 2015 |
| Tempest Property Holdings Limited | Financial services | 2019 |
| Temple & Co Construction Ltd | Construction | 2022 |
| Temple & Co Property Investments Limited | Real estate | 2021 |
| Tenecre Properties Limited | Real estate | 2026 |
| Tenet Furniture Ltd | Wholesale & retail | 2020 |
| Tennis Eastbourne Ltd | Arts & recreation | 2017 |
| Tension Technology International Limited | Professional & scientific | 1986 |
| Terrain Scape Limited | Administrative & support | 2022 |
| Terrastone Limited | Financial services | 2025 |
| Tesouro Timepiece Ltd | Wholesale & retail | 2021 |
| Tess Isabella Limited | Administrative & support | 2021 |
| Tfle Jewellery Ltd | Wholesale & retail | 2024 |
| TH Joinery & Carpentry Limited | Manufacturing | 2026 |
| THE Acquista Group UK Ltd | Real estate | 2022 |
| THE Actuary Group Limited | Administrative & support | 2020 |
| THE Altus Tax Partnership Limited | Professional & scientific | 2021 |
| THE Auto Workshop & Autocentres Limited | Wholesale & retail | 2009 |
| THE Barbers Lodge Limited | Other services | 2024 |
| THE Baskerville Shiplake Limited | Hospitality | 2004 |
| THE Beach Kitchen Ltd | Hospitality | 2016 |
| THE Bean Bike Ltd | Other services | 2017 |
| THE Big Lemon (South East) Ltd | Transport & logistics | 2024 |
| THE Big Surf Limited | Information & communication | 2010 |
| THE Black Pearl (Eastbourne) Limited | Hospitality | 2014 |
| THE Box That ROX Limited | Arts & recreation | 2008 |
| THE Brand Edit Limited | Professional & scientific | 2025 |
| THE BUB Club Group Limited | Health & social care | 2022 |
| THE Build Works Ltd | Construction | 2010 |
| THE Business Group Sussex Ltd | Administrative & support | 2017 |
| THE Butterfly Room Limited | Other services | 2007 |
| THE Chronicles of Hope CIC | Health & social care | 2024 |
| THE Clinic List Ltd | Information & communication | 2025 |
| THE Clinical Pilates Studio Limited | Health & social care | 2009 |
| THE Corporate Catalyst Group LLP | | 2015 |
| THE Crown Sports Bar Limited | Extraterritorial | 2021 |
| THE Deep Ocean Water Research and Development Initiative (Sea-Based CO2 and Thermal Offsetting) Ltd. | Agriculture & fishing | 2020 |
| THE Dental Barn Limited | Health & social care | 2016 |
| THE Dog's Whiskers Ltd | Other services | 2022 |
| THE Fabric Shop Horam Limited | Wholesale & retail | 2010 |
| THE Fish Cafe Limited | Professional & scientific | 2004 |
| THE Flower House Burwash Ltd | Wholesale & retail | 2023 |
| THE Four Pillars of Wellbeing Ltd | Information & communication | 2022 |
| THE Funding Room Ltd | Financial services | 2013 |
| THE Garden Gang Ltd | Agriculture & fishing | 2022 |
| THE Glendene Financial Consultancy Limited | Professional & scientific | 2014 |
| THE Great Genzing Ltd | Construction | 2013 |
| THE Growth Factor Ltd | Information & communication | 2015 |
| THE Hayes and White Group Ltd | Information & communication | 2012 |
| THE Head Spa Sussex Ltd | Other services | 2024 |
| THE Holistic Healthcare Group Ltd | Health & social care | 2018 |
| THE Human Givens Foundation Limited | Health & social care | 2004 |
| THE Identity Dichotomy Limited | Education | 2018 |
| THE International Barbers Group Ltd | Other services | 2021 |
| THE Intrepid Camera Company Limited | Manufacturing | 2014 |
| THE JAM Shed Preserves Limited | Extraterritorial | 2009 |
| THE JRH Academy Ltd | Education | 2024 |
| THE KIT Project CIC | Health & social care | 2025 |
| THE Last Right Limited | Information & communication | 2018 |
| THE Laurel Cafe Limited | Hospitality | 2024 |
| THE Legacy Partnership Personal Estate Planners LLP | | 2020 |
| THE Luxury Appliance Company Limited | Manufacturing | 2026 |
| THE Luxury Wine & Food Company Limited | Hospitality | 2015 |
| THE MAD Marsh Run Limited | Arts & recreation | 2018 |
| THE Martlets (Hellingly) Management Company Limited | Households | 2017 |
| THE Micro Cement Company Ltd | Construction | 2025 |
| THE New Market Cafe Ltd | Hospitality | 2025 |
| THE Nice Company London Ltd | Wholesale & retail | 2010 |
| THE Oaks Driving Club | Other services | 2016 |
| THE Oati Worldwide Limited | Information & communication | 2026 |
| THE Offset LOG Company Limited | Wholesale & retail | 2024 |
| THE Oval Arena Ltd | Arts & recreation | 2023 |
| THE Parade TN6 Ltd | Real estate | 2020 |
| THE Pilot Inn Limited | Real estate | 2024 |
| THE Plough (Cock Marling) Limited | Hospitality | 2003 |
| THE Porch Specialist Limited | Construction | 2019 |
| THE Portal People Limited | Information & communication | 2023 |
| THE Project Experts (Construction) Limited | Professional & scientific | 2026 |
| THE Ridings (Racing) Limited | Arts & recreation | 2008 |
| THE Right Crew Recruitment Limited | Administrative & support | 2020 |
| THE Salmon Film Limited | Information & communication | 2015 |
| THE Secret Vineyard Limited | Agriculture & fishing | 2021 |
| THE Spectacle Showroom Limited | Health & social care | 1992 |
| THE Sports Presentation Company Limited | Information & communication | 2011 |
| THE Stevens Collective Limited | Real estate | 2025 |
| THE Stone & Tile Gallery (Hailsham) Limited | Wholesale & retail | 2008 |
| THE Story Habit Limited | Extraterritorial | 2023 |
| THE Sussex Barn Hellingly Limited | Administrative & support | 2014 |
| THE Sussex Larder Limited | Wholesale & retail | 2005 |
| THE Tempered Radical - Design and Innovation Ltd | Professional & scientific | 2026 |
| THE Titanium Element Limited | Professional & scientific | 2017 |
| THE Town Chef Ltd | Hospitality | 2024 |
| THE Vapour Escape Ramsgate Ltd | Wholesale & retail | 2019 |
| THE Vapour Room (Group) Limited | Wholesale & retail | 2016 |
| THE Vapour Room (Hailsham) Limited | Wholesale & retail | 2016 |
| THE Vapour Room (Langney) Limited | Wholesale & retail | 2021 |