| Summit Search Limited | Extraterritorial | 2018 |
| Superqr Ltd | Information & communication | 2020 |
| Supply Drive Ltd | Professional & scientific | 2020 |
| Supply Drive Vehicles Limited | Other services | 2023 |
| Supreme Automotive Ltd | Wholesale & retail | 2019 |
| Supreme Sparks Limited | Construction | 2016 |
| Supreme Transport for TV & Film Ltd | Transport & logistics | 2020 |
| Suraj Ventures PVT. Ltd | Other services | 2022 |
| Sure Accounting and Tax Ltd | Professional & scientific | 2012 |
| Sure Build (Essex) Ltd | Construction | 2019 |
| SV Clarke Services Limited | Construction | 2021 |
| SW and MV Limited | Real estate | 2024 |
| SW6 Management Consultancy Limited | Professional & scientific | 2020 |
| Swan Creative Services Limited | Professional & scientific | 2019 |
| Sweat Day Star Ltd | Wholesale & retail | 2022 |
| Sweet Travel Limited | Extraterritorial | 2013 |
| Sylo Construction Limited | Construction | 2013 |
| T F H Management Limited | Wholesale & retail | 2008 |
| T Gibbs Electrical Ltd | Construction | 2018 |
| T J D Flooring Ltd | Construction | 2017 |
| T M Technical Services Limited | Professional & scientific | 2010 |
| T&I Holdings Ltd | Information & communication | 2021 |
| T&I Renewables Limited | Information & communication | 2025 |
| T.A.I. Contractors Limited | Construction | 2020 |
| T.E.L Electrical Limited | Construction | 2017 |
| T.J.A. Contractors Limited | Construction | 2013 |
| T.L Flooring Ltd | Construction | 2019 |
| T.S.M. Joint Sealing Limited | Construction | 2005 |
| T2 Infinity Ltd | Administrative & support | 2020 |
| Tasty Bite Cafe Limited | Hospitality | 2014 |
| Taussig Kashrus Services Ltd | Professional & scientific | 2026 |
| Tawose Group Ltd | Information & communication | 2026 |
| Taylor Made Risk Solutions Ltd | Professional & scientific | 2020 |
| TCM Interiors Ltd | Construction | 2019 |
| TD London Property Limited | Professional & scientific | 2023 |
| TDA Resources Ltd | Transport & logistics | 2025 |
| Team Valeting Ltd | Administrative & support | 2026 |
| Technical Professional Education Limited | Professional & scientific | 2017 |
| Telese Ltd | Manufacturing | 2017 |
| Telice Electrical Ltd | Construction | 2023 |
| Temada Limited | Hospitality | 2014 |
| Tempest Property Ltd | Real estate | 2022 |
| Terry Automotive Ltd | Wholesale & retail | 2024 |
| TFH Gems Limited | Administrative & support | 2010 |
| TFJ Accountancy Limited | Professional & scientific | 2014 |
| TGP Solutions Ltd | Construction | 2022 |
| TH Marketinguk Ltd | Professional & scientific | 2024 |
| Thake Transport Solutions Limited | Transport & logistics | 2019 |
| Thames Fabrications Ltd | Professional & scientific | 2018 |
| THE Beauty Circle Group Ltd | Wholesale & retail | 2022 |
| THE Big Green Laundry Ltd | Other services | 2011 |
| THE Cafe by James Martin Ltd | Hospitality | 2026 |
| THE Cappuccino Bakery Limited | Hospitality | 2015 |
| THE Card Archives Ltd | Wholesale & retail | 2025 |
| THE Claxton Collection Limited | Financial services | 2023 |
| THE Crafty Cockney PIE & Mash Limited | Hospitality | 2021 |
| THE Crafty Sausages Ltd | Wholesale & retail | 2025 |
| THE Detox Practitioner School Limited | Education | 2025 |
| THE Draughtsman Architectural Ltd. | Professional & scientific | 2011 |
| THE Essex Skipper Butterfly CIC | Health & social care | 2025 |
| THE Essex Verdant Roofing Co Ltd | Construction | 2026 |
| THE Harbour Club (Care) Limited | Health & social care | 2011 |
| THE House of WAX Detailing Limited | Extraterritorial | 2024 |
| THE Ivorians Educated in the UK | Education | 2026 |
| THE Kids Palace Limited | Health & social care | 2026 |
| THE Kids Playhouse Day and Afterschool Care Limited | Health & social care | 2019 |
| THE Kids Playhouse Limited | Health & social care | 2018 |
| THE King of Transport Ltd | Transport & logistics | 2015 |
| THE Kitchennette Ltd | Wholesale & retail | 2019 |
| THE Layflat Company Limited | Manufacturing | 2013 |
| THE Lime Light Promotion Ltd | Administrative & support | 2014 |
| THE Linden Study Limited | Professional & scientific | 2025 |
| THE Lough's Group Limited | Financial services | 2021 |
| THE Lough's Property Management (Lettings) Ltd | Health & social care | 2015 |
| THE Lough's Property Management Ltd | Construction | 2005 |
| THE Manorial Society Limited | Administrative & support | 1995 |
| THE New Canvey Island Gym Ltd | Arts & recreation | 2025 |
| THE Online Greengrocer Limited | Wholesale & retail | 2026 |
| THE Original Music Brush Company Limited | Wholesale & retail | 2012 |
| THE Paragon Fish N Chips Ltd | Hospitality | 2023 |
| THE Pilgrims Tabernacle Limited | Administrative & support | 2023 |
| THE Property Zone Limited | Construction | 2025 |
| THE Redeemed Christian Church of GOD Fruitful Tabernacle Canvey Island Ltd | Other services | 2018 |
| THE Rooms Beauty Ltd | Other services | 2025 |
| THE Rooms Hair Salon Ltd | Other services | 2023 |
| THE Rooms Training Academy Ltd | Other services | 2025 |
| THE Salon (Ongar) Limited | Other services | 2018 |
| THE Scooter Emporium (London) Limited | Wholesale & retail | 2000 |
| THE Short Studio Ltd | Information & communication | 2018 |
| THE Tree Lads Ltd | Administrative & support | 2026 |
| THE Voice of Doom Limited | Extraterritorial | 2020 |
| THE Weekly Bulletin Ltd | Information & communication | 2019 |
| THE Well Life 2020 Company Limited | Wholesale & retail | 2020 |
| THE Wellbeing Practice Ltd | Health & social care | 2012 |
| THE Wellness Programme Limited | Education | 2024 |
| THE Wright Learning Ltd | Professional & scientific | 2019 |
| THE Yappy Yard Ltd | Agriculture & fishing | 2025 |
| Theislandstore Ltd | Wholesale & retail | 2025 |
| Theorem Metabolic Limited | Information & communication | 2025 |
| THN Limited | Administrative & support | 2026 |