| Tariff Check Services Ltd | Professional & scientific | 2002 |
| Tasch Design Studio Ltd | Professional & scientific | 2025 |
| Taurean Management Services Ltd | Professional & scientific | 2008 |
| TBM Plumbing & Maintenance Ltd | Construction | 2023 |
| Tcln Construction Services Ltd | Professional & scientific | 2025 |
| Tcsc London Academy Ltd | Information & communication | 2023 |
| TEB Consultancy Services Ltd | Financial services | 2010 |
| Tech Bucket Limited | Information & communication | 2024 |
| Tech Optimised Limited | Administrative & support | 2023 |
| Technology Consultancy and Strategy Centre Ltd | Information & communication | 2022 |
| Tekton Interiors Limited | Manufacturing | 2023 |
| Temvale Limited | Real estate | 1998 |
| Testersnet Limited | Information & communication | 2025 |
| THE Excelsior Collaborative Limited | Information & communication | 2019 |
| THE Fallon Group Ltd | Professional & scientific | 2023 |
| THE Final Finish Group Ltd | Construction | 2023 |
| THE Furniture Department Limited | Administrative & support | 2013 |
| THE Greenman PUB (Welling) Limited | Hospitality | 2024 |
| THE House & Garage Orchestra Ltd | Administrative & support | 2021 |
| THE Imperial Arms Enterprise Limited | Hospitality | 2013 |
| THE Imperial Courtyard Limited | Hospitality | 2013 |
| THE Pioneer Academy | Education | 2011 |
| THE Real Life Academy (UK) Limited | Professional & scientific | 2016 |
| THE Recruitment Academy (UK) Limited | Professional & scientific | 2016 |
| THE Sturdy Clothing Company Limited | Wholesale & retail | 2004 |
| THE Table Edit Ltd | Professional & scientific | 2020 |
| THE Table Edit Shop Ltd | Wholesale & retail | 2026 |
| The-Feel-Good-Factory Ltd | Arts & recreation | 2021 |
| Thph (Keston) Ltd | Hospitality | 2017 |
| Time 2 Find Limited | Administrative & support | 2009 |
| Tinklin Springall Ltd | Administrative & support | 2014 |
| Titan Restoration & Repairs Limited | Construction | 2009 |
| TKR Sports Ltd | Education | 2021 |
| Tndf Ltd | Education | 2025 |
| Tom's Kitchen Limited | Hospitality | 2024 |
| Tomoliver Designs Ltd | Manufacturing | 2021 |
| Torque Electrical Limited | Other services | 2009 |
| Trades Business Academy Limited | Education | 2021 |
| TRC Property Investment Ltd | Real estate | 2023 |
| Trees UK - Landscape and Garden Maintenance Limited | Administrative & support | 2023 |
| Trees-Uk of Bromley Limited | Agriculture & fishing | 2017 |
| Tuckers Builders Limited | Construction | 2020 |
| Ultron Ltd | Administrative & support | 2023 |
| Unique Football Academy Limited | Arts & recreation | 2012 |
| Unique Sports School Ltd | Education | 2023 |
| Upkeep Solutions Ltd | Construction | 2020 |
| Upseeks JOB Matching Ltd | Information & communication | 2024 |
| Urban Elite Football Academy Ltd | Education | 2025 |
| Urbanwood Ltd | Information & communication | 2021 |
| Valentines Family Funeral Directors Ltd | Other services | 2015 |
| Vertex VT Consultants Limited | Professional & scientific | 2019 |
| VGS Group Ltd | Wholesale & retail | 2024 |
| VGS Rentals and Sales Ltd | Wholesale & retail | 2024 |
| Vgsuk Ltd | Wholesale & retail | 2020 |
| Visionprovisions Limited | Administrative & support | 2016 |
| Waters Edge Freehold Limited | Households | 2018 |
| Waters Edge Real Estate Limited | Real estate | 2019 |
| Weaver Island Press Limited | Information & communication | 2022 |
| Webster Family Property Ltd | Real estate | 2025 |
| Wedgwood Family Office Limited | Financial services | 2022 |
| Westpak Products LLP | | 2013 |
| Woodshield Limited | Construction | 1979 |
| Worn Forex Limited | Financial services | 2023 |
| Worn Group Limited | Professional & scientific | 2020 |
| Worn Property Group Limited | Real estate | 2020 |
| WPD Ltd | Construction | 2024 |
| Wrapsy Trading Ltd | Wholesale & retail | 2025 |
| Wright Life Ltd | Agriculture & fishing | 2024 |
| Xtend Build & Renovate Ltd | Construction | 2026 |
| YEK Consultancy Ltd | Wholesale & retail | 2017 |
| Yellow Dwarf Rental Ltd | Real estate | 2019 |
| Zone Hair Advisers Limited | Other services | 2001 |