| T&M Digital Solutions Ltd | Information & communication | 2023 |
| T.C.F Italian Ltd | Hospitality | 2020 |
| T.S.T. (Parks) Limited | Hospitality | 1948 |
| Taboozle Ltd | Information & communication | 2025 |
| Tahsin Tabassum Ltd | Wholesale & retail | 2024 |
| Tallulah Care Limited | Health & social care | 2025 |
| TAN 2 YOU Limited | Administrative & support | 2026 |
| Tank Construction Ltd | Construction | 2023 |
| Tanmal Limited | Hospitality | 2024 |
| Tarnie's Kitchen Diner Ltd | Hospitality | 2025 |
| Taste of Bhimavaram Limited | Hospitality | 2024 |
| Tasteful Catering Ltd | Wholesale & retail | 2012 |
| Tasty Fortune Limited | Hospitality | 2026 |
| Tasty House Essex Limited | Hospitality | 2018 |
| Taurus Construction Management Limited | Construction | 2014 |
| Taylor Ashley Ltd | Construction | 2015 |
| TC Financial Limited | Financial services | 2025 |
| TCD Groundworks Ltd | Construction | 2023 |
| Team WLP Ltd | Professional & scientific | 2025 |
| Techbulb Limited | Administrative & support | 2018 |
| TEE Time Catering & Events Ltd | Hospitality | 2022 |
| Temm Properties Ltd | Real estate | 2012 |
| Tendering Innovation Service Limited | Professional & scientific | 2023 |
| Tendering Landscaping & Building Services Ltd | Construction | 2025 |
| Tendring & Coastal New Homes Limited | Real estate | 2010 |
| Tendring Blinds & Shutters Limited | Administrative & support | 2021 |
| Tendring Building Services Limited | Construction | 2013 |
| Tendring Care Limited | Health & social care | 2013 |
| Tendring Community Transport | Transport & logistics | 1999 |
| Tendring Cricket Club Limited | Arts & recreation | 2025 |
| Tendring Development Holding Company Ltd | Construction | 2026 |
| Tendring Electrical Ltd | Construction | 2023 |
| Tendring Freelance Ltd | Transport & logistics | 2025 |
| Tendring Property Developments Ltd | Construction | 2022 |
| Tendring Roofing Supplies Ltd | Construction | 2023 |
| Tendring Scaffolding Ltd | Construction | 2019 |
| Tendring Serviced Apartments Ltd | Hospitality | 2018 |
| Tendring Wellbeing and Intervention Services CIC | Other services | 2015 |
| Tendrone Ltd | Information & communication | 2025 |
| Tenpenny Rentals Ltd | Real estate | 2024 |
| Term Finance (UK) Limited | Financial services | 2018 |
| Texcorp Ltd | Professional & scientific | 2024 |
| TGC Paint Ltd | Wholesale & retail | 2025 |
| TH Clients Accounts Limited | Information & communication | 2026 |
| THE Art Zone Limited | Administrative & support | 2004 |
| THE Beauty Haven CM Ltd | Other services | 2022 |
| THE BEE Friendly Honey Company Ltd | Agriculture & fishing | 2022 |
| THE Beige & Brown Ltd | Other services | 2025 |
| THE Bicycle @ Tendring Limited | Hospitality | 2014 |
| THE Big Outdoor Cinema Company Ltd | Arts & recreation | 2018 |
| THE Big Xperience Ltd | Health & social care | 2013 |
| THE Broadway Club Ltd | Hospitality | 2021 |
| THE Bullionaire Vault Ltd | Wholesale & retail | 2025 |
| THE Cage ST Osyth Ltd | Hospitality | 2024 |
| THE Cakeworx Ltd | Manufacturing | 2019 |
| THE Calm Cafe Limited | Hospitality | 2026 |
| THE Clacton Pier Company Limited | Administrative & support | 2008 |
| THE Colonia Kitchen Ltd | Hospitality | 2025 |
| THE Electrical Guild Limited | Construction | 1991 |
| THE Essex Cigar Club Limited | Wholesale & retail | 2026 |
| THE Fish Inn Clacton Ltd | Extraterritorial | 2025 |
| THE Garden Grow Landscapes Ltd | Administrative & support | 2022 |
| THE Garden Grow Maintenance Ltd | Arts & recreation | 2024 |
| THE Garden Trellis Company Limited | Manufacturing | 2002 |
| THE Haven Residential LLP | | 2007 |
| THE HOY Bar and Grill Ltd | Hospitality | 2023 |
| THE Hungry Bedouin Tearoom Limited | Wholesale & retail | 2026 |
| THE Ironworks Gym Essex Ltd | Arts & recreation | 2022 |
| THE Kings Arms (ST Osyth) Ltd | Hospitality | 2023 |
| THE Laser Hub & Aesthetics Ltd | Other services | 2025 |
| THE Late Riser Car Boot Sale Limited | Wholesale & retail | 2024 |
| THE Lords' International School Facilitation Centre Limited | Professional & scientific | 2017 |
| THE Lore LAB Co. Limited | Professional & scientific | 2026 |
| THE Mews Management Company (Dovercourt) Limited | Other services | 2006 |
| THE Mortgage Baker Commercial Limited | Financial services | 2024 |
| THE Mortgage Baker Holdings Limited | Financial services | 2024 |
| THE Mortgage Baker Residential Limited | Financial services | 2024 |
| THE Natural Diamond Company Limited | Extraterritorial | 2009 |
| THE Parks Skin Clinic Ltd | Health & social care | 2024 |
| THE Partridge Retreat Ltd | Hospitality | 2024 |
| THE Piggeries at Redricks Limited | Real estate | 2024 |
| THE Plough Great Clacton Ltd | Hospitality | 2025 |
| THE Plumbing Firm Ltd | Construction | 2022 |
| THE Priory Eleven Zero One Limited | Hospitality | 2021 |
| THE Red Lion (ST. Osyth) Ltd | Hospitality | 2024 |
| THE Red Lion PUB and Restaurant ST Osyth Limited | Hospitality | 2026 |
| THE Revels Room Limited | Hospitality | 2025 |
| THE Roast Dinner Company Limited | Hospitality | 2024 |
| THE Ship PUB Ltd | Hospitality | 2022 |
| THE Skelmersdale Centre Ltd | Wholesale & retail | 2000 |
| THE Stanway Studio Ltd | Professional & scientific | 2024 |
| THE Studio for Performing Arts Ltd | Education | 2016 |
| THE Sun Lounge (Clacton) Ltd | Other services | 2023 |
| THE Swole LAB Ltd | Arts & recreation | 2025 |
| THE Tanning Boutique Ipswich Ltd | Other services | 2018 |
| THE UK Factory Ltd. | Other services | 2013 |
| THE Vine Cafe Ltd | Hospitality | 2024 |
| THE Wheel Mccoy Limited | Wholesale & retail | 2016 |
| THE Whitening Clinic Essex Ltd | Health & social care | 2025 |
| THE Willow Health Clinic Ltd | Health & social care | 2021 |