| Teqfocus UK Ltd | Information & communication | 2020 |
| Teracare Solutions Limited | Health & social care | 2023 |
| Terra Signing Academy Ltd | Administrative & support | 2011 |
| Terravive Ltd | Administrative & support | 2025 |
| Terravolts Solutions Ltd | Wholesale & retail | 2025 |
| Territt & Sons Flooring Ltd | Construction | 2017 |
| TFL Foods (UK) Limited | Hospitality | 2014 |
| TG Motions Ltd | Administrative & support | 2025 |
| Thalira Limited | Education | 2025 |
| Thamesview Management (Plots 145-160) Limited | Households | 1998 |
| THE African MAN Ltd | Transport & logistics | 2024 |
| THE Athena HQ Ltd | Information & communication | 2025 |
| THE Botanical Boutique London Ltd | Wholesale & retail | 2026 |
| THE Cleaning Professionals Ltd | Administrative & support | 2020 |
| THE Closet App Ltd | Information & communication | 2025 |
| THE Coaching Yogi Ltd | Extraterritorial | 2024 |
| THE Colby Group Ltd | Real estate | 2020 |
| THE Cooper Collection Ltd | Real estate | 2026 |
| THE DO Cookhouse Ltd | Hospitality | 2021 |
| THE Dsouza Group Ltd | Real estate | 2023 |
| THE DUB HUT (Ashford) Ltd | Wholesale & retail | 2018 |
| THE Emaé Group Limited | Wholesale & retail | 2022 |
| THE Engine House Bexley Limited | Real estate | 2006 |
| THE Food Library Limited | Wholesale & retail | 2024 |
| THE Golden Oak Tree Limited | Financial services | 2025 |
| THE Health Community Hub | Health & social care | 2025 |
| THE Lazy G Rodeo Ltd | Arts & recreation | 2009 |
| THE Loop Visuals Limited | Administrative & support | 2018 |
| THE MA Global Advisors Limited | Administrative & support | 2007 |
| THE Mama LEE CIC | Education | 2026 |
| THE Microfinance Association | Professional & scientific | 2008 |
| THE Movie Shack Ltd | Wholesale & retail | 2021 |
| THE Open Gardens Partnership Ltd | Professional & scientific | 2026 |
| THE Processing Centre Limited | Administrative & support | 2012 |
| THE Quadra Hub Ltd | Wholesale & retail | 2025 |
| THE Redeemed Christian Church of GOD Peniel Court | Other services | 2019 |
| THE Redeemed Christian Church of GOD the Hope of Glory | Other services | 2015 |
| THE Redeemed Christian Church of GOD Triumphant Saints Assembly | Other services | 2018 |
| THE Redeemed Christian Church of GOD, Freedom House | Other services | 2010 |
| THE Retirement Advisory Limited | Professional & scientific | 2024 |
| THE Screensaver Windscreens Ltd | Wholesale & retail | 2025 |
| THE Sole Doctor Ltd | Administrative & support | 2025 |
| THE Solomon Consortium Ltd | Information & communication | 2019 |
| THE Spanish POT Limited | Hospitality | 2018 |
| THE Spiritual Life Group Limited | Other services | 2021 |
| THE Stas Partnership Limited | Manufacturing | 1989 |
| THE Sun Erith Limited | Hospitality | 2022 |
| THE Swiftstone Trust | Education | 2000 |
| THE Vibe Lounge Ltd | Hospitality | 2025 |
| THE Weathering Service Ltd | Other services | 2016 |
| THE White Hart PUB & Restaurant Ltd | Hospitality | 2024 |
| THE White Wall Company UK Limited | Arts & recreation | 2003 |
| THE Woodland Academy Trust | Education | 2011 |
| Theatre Box Performing Arts Academy Ltd | Arts & recreation | 2019 |
| Thebellas Ltd. | Administrative & support | 2019 |
| Thebellasurhosts Ltd | Real estate | 2021 |
| Thee Platform Ltd | Professional & scientific | 2025 |
| Themodeltrainshop Limited | Other services | 2016 |
| Theoscharis Limited | Other services | 2011 |
| Thind Homes Limited | Real estate | 2018 |
| Think Pink Marketing Ltd | Professional & scientific | 2025 |
| Thinkworklight Ltd | Information & communication | 2014 |
| Thirtieth Instinct Group Ltd | Construction | 2025 |
| Thomas Brown (London) Ltd | Real estate | 2007 |
| Thompson TCG Ltd | Wholesale & retail | 2025 |
| Thunder Service Ltd | Construction | 2024 |
| Tifad Business Services Ltd | Wholesale & retail | 2016 |
| Tilewa Limited | Wholesale & retail | 2012 |
| Timahskichen.Uk Limited | Hospitality | 2025 |
| Tims CGE Ltd | Wholesale & retail | 2025 |
| Timsly Limited | Professional & scientific | 2013 |
| Tina Hanciles Executive Coaching Ltd | Public administration | 2024 |
| Tinailo Limited | Health & social care | 2023 |
| TIP Top Tippers Ltd | Transport & logistics | 2026 |
| Titandx Ltd | Professional & scientific | 2024 |
| Tjbaba Limited | Transport & logistics | 2023 |
| TK Property Maintenance Ltd | Construction | 2020 |
| Tldigital Ltd | Information & communication | 2022 |
| Tlinklogistics Ltd | Transport & logistics | 2025 |
| TM Container Spaces Ltd | Construction | 2022 |
| TM Duct Ltd | Manufacturing | 2026 |
| TMG Care Services Limited | Health & social care | 2025 |
| Tmpp Ltd | Hospitality | 2015 |
| Tobi Tech Limited | Information & communication | 2024 |
| Todays Venture UK Limited | Wholesale & retail | 2017 |
| Todebsar Limited | Administrative & support | 2023 |
| Toks & KB Group Ltd | Professional & scientific | 2024 |
| TOL Holdings Limited | Real estate | 2024 |
| Tolloz UK Limited | Information & communication | 2026 |
| Tomitskyi Decor Ltd | Construction | 2026 |
| Tommy Technical & Mechanical Services (UK) Limited | Manufacturing | 2018 |
| Tomzem Transport Limited | Transport & logistics | 2015 |
| Tony O Ltd | Construction | 2024 |
| Top China International Media Ltd | Wholesale & retail | 2018 |
| Top Dog Training School & Home Boarding Ltd | Extraterritorial | 2013 |
| Top Home Building Construction Ltd | Construction | 2023 |
| Tope Ltd | Information & communication | 2018 |
| Topettop Ltd | Information & communication | 2018 |
| Topnotch Concept Ltd | Real estate | 2022 |
| Topsure Roofing & Maintenance Ltd | Construction | 2025 |