| THE Inner Wild Development Centre C.I.C. | Education | 2023 |
| THE Jewellers Shop Limited | Wholesale & retail | 2009 |
| THE KB Design Tree Limited | Information & communication | 2015 |
| THE Kids Klub Benfleet Ltd | Health & social care | 2018 |
| THE Krav Maga Club Limited | Arts & recreation | 2015 |
| THE Leigh Port Partnership | Other services | 2003 |
| THE Little Percussion Company Ltd | Wholesale & retail | 2020 |
| THE Male Rail Limited | Wholesale & retail | 2019 |
| THE Meat Joint Ltd | Wholesale & retail | 2020 |
| THE Millionaire Syndicate Limited | Administrative & support | 2023 |
| THE Modern Barber (Leigh on Sea ) Ltd | Other services | 2021 |
| THE Mortgage Caddie Ltd | Financial services | 2025 |
| THE Mortgage Caddy Ltd | Financial services | 2025 |
| THE Mortgage Mentor Ltd | Financial services | 2020 |
| THE Mortgage Mentor Property Ltd | Real estate | 2022 |
| THE Musical Theatre Centre Ltd | Education | 2022 |
| THE New Cafe in UK Ltd | Wholesale & retail | 2025 |
| THE New Eden Limited | Wholesale & retail | 2004 |
| THE Permanent Jewellery Company Ltd | Manufacturing | 2024 |
| THE Planning and Design Bureau Limited | Professional & scientific | 2013 |
| THE Planning BEE Limited | Administrative & support | 2020 |
| THE Primary Educator Ltd | Education | 2022 |
| THE Printing BRO Ltd | Manufacturing | 2023 |
| THE Rayleigh Lanes Cafe Ltd | Hospitality | 2023 |
| THE Rayleigh Salon Ltd | Other services | 2012 |
| THE Reformery Warley Ltd | Arts & recreation | 2026 |
| THE Repair Centre (Benfleet) Limited | Other services | 2003 |
| THE Robert Drake Primary School | Education | 2011 |
| THE Rolling Door Company Limited | Construction | 2019 |
| THE Sausages ARE Mouldy Ltd | Professional & scientific | 2019 |
| THE Shutter Tree Ltd | Wholesale & retail | 2021 |
| THE SK Shack Ltd | Hospitality | 2023 |
| THE Skinlord Limited | Other services | 2024 |
| THE Snack Bar (Essex) Ltd | Hospitality | 2015 |
| THE South East Emporium Limited | Wholesale & retail | 2025 |
| THE Spot Coffee Ltd | Hospitality | 2023 |
| THE UK Event Network Ltd. | Professional & scientific | 2017 |
| THE Village Butchers Limited | Wholesale & retail | 2016 |
| THE Virtual Assistance Hub Limited | Administrative & support | 2024 |
| THE Warehouse Bar Ltd | Hospitality | 2019 |
| THE White BUS Limited | Information & communication | 2005 |
| THE Windmill Cafe Ltd | Hospitality | 2023 |
| THE Word LAB Ltd | Professional & scientific | 2024 |
| Theatre Club Limited | Arts & recreation | 2021 |
| Theatre Trips Essex Limited | Transport & logistics | 2022 |
| Themilk Ltd | Information & communication | 2023 |
| Theogonix Limited | Information & communication | 2011 |
| Thermal Logic Ltd | Construction | 2012 |
| Thermal Logic Services Limited | Professional & scientific | 2014 |
| Thermal Windows Ltd | Construction | 2008 |
| Thetwo Ltd | Information & communication | 2021 |
| THG Salon Ltd | Other services | 2025 |
| Think Pro Consultancy Limited | Professional & scientific | 2022 |
| This Kind of HR Ltd | Professional & scientific | 2026 |
| This Kind of Menopause Ltd | Professional & scientific | 2026 |
| Thoductions Ltd | Arts & recreation | 2014 |
| Thomas FOX & Company Ltd | Administrative & support | 2010 |
| Thomas GUY Security (TGS) Ltd | Administrative & support | 2024 |
| Thomas Reptiles Ltd | Wholesale & retail | 2024 |
| Thorington Limited | Extraterritorial | 2015 |
| Thorndon Leisure Limited | Arts & recreation | 2023 |
| Thorne Smith Accountants Limited | Professional & scientific | 2020 |
| Three Lakes Wormery Limited | Agriculture & fishing | 2018 |
| THS Scaffolding Ltd | Construction | 2020 |
| Thundersley Christian Spiritualist Church | Other services | 2013 |
| Thurrock Gymnastics Academy Ltd | Other services | 2016 |
| Tidswell & Nichols Limited | Real estate | 2015 |
| Timmy More Properties UK Ltd | Real estate | 2017 |
| Tiptop Property Solutions Ltd | Real estate | 2021 |
| Tiptop Relocations Ltd | Hospitality | 2023 |
| Tiptree Outdoor Leisure Ltd | Other services | 2022 |
| TJ Web Services Ltd | Information & communication | 2021 |
| TJD Financial Services Ltd | Financial services | 2021 |
| Tjsidey Property Ltd | Real estate | 2025 |
| TJW Design Studios Ltd | Professional & scientific | 2011 |
| TL Advanced Practice Ltd | Public administration | 2026 |
| TLC Consult Ltd | Construction | 2019 |
| TM Beauty Aesthetics Ltd | Other services | 2024 |
| Togs Drycleaners Limited | Administrative & support | 2014 |
| Tom's Cabs Ltd | Transport & logistics | 2025 |
| Tomair Solutions Limited | Energy | 2025 |
| Tomcat Construction Limited | Construction | 2008 |
| Tomily Supplies Limited | Wholesale & retail | 2014 |
| Tommy More UK Limited | Real estate | 2020 |
| Tomorrowcreative Ltd | Professional & scientific | 2023 |
| Tomtec Security Systems Ltd | Administrative & support | 2014 |
| Tonekel LLP | | 2024 |
| Tong Industries Limited | Construction | 2018 |
| Tonnymore Limited | Real estate | 2021 |
| Tonsar 83 Limited | Real estate | 2019 |
| Tony Wall Audio Ltd | Information & communication | 2018 |
| Tony Wilde Auto Engineers Limited | Wholesale & retail | 2005 |
| TOO Damn Cheeky Sound & Vision Ltd | Hospitality | 2010 |
| Toogit Limited | Financial services | 2015 |
| Top 2 Floor Ltd | Construction | 2019 |
| Top Accountants Family Ltd | Professional & scientific | 2018 |
| Top Discount Deals Ltd | Wholesale & retail | 2020 |
| Top Gear Consulting Limited | Professional & scientific | 2015 |
| Top Rank Autos Ltd | Wholesale & retail | 2025 |
| Top Rank Rentals Ltd | Administrative & support | 2025 |