| TRU Hair Wolverhampton Ltd | Wholesale & retail | 2025 |
| TRU Weld Midlands Limited | Construction | 2019 |
| Tru-Plan Design Limited | Professional & scientific | 2014 |
| Trubystevenson Limited | Administrative & support | 2013 |
| Truck Sales 2000 Warwickshire Limited | Wholesale & retail | 2019 |
| Truckcom Holdings Limited | Financial services | 2015 |
| Truckcom Systems Limited | Information & communication | 2005 |
| True Bamboo Ltd | Wholesale & retail | 2022 |
| True Card Ltd | Wholesale & retail | 2026 |
| True Testing Limited | Administrative & support | 2023 |
| Truecress Limited | Administrative & support | 2026 |
| Truefitt Electrical Merchants Limited | Construction | 2025 |
| Trueform Services Ltd | Construction | 2025 |
| Trueman Property Co. Ltd | Real estate | 2026 |
| Truetime Health Limited | Professional & scientific | 2018 |
| Truly Yours Agency Limited | Extraterritorial | 2023 |
| Trumedical Ltd | Health & social care | 2024 |
| Trup Limited | Administrative & support | 2026 |
| Trust Shopping Ltd | Wholesale & retail | 2024 |
| Trusted Care Ltd | Administrative & support | 2022 |
| Truth Recruitment Ltd | Wholesale & retail | 2017 |
| Truth Story Newspaper Limited | Information & communication | 2022 |
| Trvd Ltd | Wholesale & retail | 2023 |
| Trygunn Ltd | Wholesale & retail | 2003 |
| Trymedude Ltd | Construction | 2022 |
| Tryscaling Force Ltd | Wholesale & retail | 2026 |
| Trysull Court RTM Company Limited | Real estate | 2014 |
| Trysull Express Limited | Hospitality | 2025 |
| TS Children Services Limited | Health & social care | 2022 |
| TS Healthcare Limited | Health & social care | 2011 |
| TS Jones Carpentry Ltd | Manufacturing | 2026 |
| TS Property Sourcing Limited | Administrative & support | 2025 |
| TS2018 Ltd | Transport & logistics | 2018 |
| TSB Classics Ltd | Wholesale & retail | 2025 |
| TSB Properties Limited | Construction | 2017 |
| TSC Worldwide Limited | Information & communication | 2019 |
| Tsdbm Ltd | Construction | 2025 |
| Tsere Q Ltd | Health & social care | 2025 |
| TSG Facilities Management Limited | Extraterritorial | 2019 |
| Tshirt LAB Limited | Wholesale & retail | 2021 |
| TSJ Diagnostics Ltd | Wholesale & retail | 2017 |
| TSL Holdco Limited | Financial services | 2025 |
| TSR Apothecary Ltd | Wholesale & retail | 2022 |
| TSR Property Ventures Limited | Real estate | 2021 |
| Tsst Events Ltd | Arts & recreation | 2025 |
| TST Solutions Ltd | Wholesale & retail | 2025 |
| Tstt Group Limited | Other services | 2023 |
| TT Automotive Repairs Ltd | Wholesale & retail | 2025 |
| TT Legal Services Ltd | Professional & scientific | 2025 |
| TT Shon's Limited | Health & social care | 2014 |
| Ttdc Limited | Manufacturing | 2007 |
| TTS Brothers Ltd | Wholesale & retail | 2025 |
| Tudor Cleaning Ltd | Administrative & support | 2023 |
| Tudor Court Care Limited | Extraterritorial | 2016 |
| Tudor Homes Limited | Real estate | 2022 |
| Tudor House K9 Fertility Limited | Professional & scientific | 2020 |
| Tudor Property Limited | Real estate | 2025 |
| Tudor Renovations Limited | Construction | 2025 |
| Tudor Ross Limited | Real estate | 1974 |
| Tuff Ting Ltd | Arts & recreation | 2024 |
| Tuition for ALL West Midlands Ltd | Education | 2021 |
| Tuktuk Plushies Ltd | Wholesale & retail | 2023 |
| Tulloch Property Services Ltd | Hospitality | 2015 |
| Tumbi Tots Ltd | Health & social care | 2025 |
| Tun.Pol Transport Ltd | Transport & logistics | 2018 |
| Tunday Ltd | Professional & scientific | 2024 |
| Tunwalls English Kitchen Ltd | Hospitality | 2017 |
| Tura Business Services Limited | Administrative & support | 2017 |
| Turbo Auto Parts Ltd | Wholesale & retail | 2025 |
| Turbo Cool UK Ltd | Manufacturing | 2016 |
| Turboprime Gulf Technologies Ltd | Wholesale & retail | 2026 |
| Turbotransit TTL Ltd | Transport & logistics | 2024 |
| Turentek (Architectural Ironmongery) Limited | Wholesale & retail | 1999 |
| Turf World Limited | Wholesale & retail | 2004 |
| Turkish Classic Barber Ltd | Other services | 2025 |
| Turkish K Razor Limited | Other services | 2025 |
| Turkish K Trim Ltd | Other services | 2025 |
| Turkish Magik Scissor Ltd | Other services | 2023 |
| Turkish Scissor Cuts Limited | Other services | 2024 |
| Turkish Scissors 1 Ltd | Other services | 2026 |
| Turkish Treasure Scissors 1 Ltd | Other services | 2023 |
| Turner Hughes (West Midlands) Limited | Construction | 2019 |
| Turner Ventures Ltd | Wholesale & retail | 2026 |
| Turtle Education Support Ltd | Education | 2026 |
| TUT Property Group Ltd | Real estate | 2022 |
| Tutode Ltd | Education | 2025 |
| Tutsinam Company Limited | Health & social care | 2019 |
| Tutt FX Ltd | Financial services | 2025 |
| TV Bidco Limited | Financial services | 2021 |
| TV Care Ltd | Health & social care | 2021 |
| TV Healthcare Developments Limited | Construction | 2019 |
| TV Midco 1 Limited | Financial services | 2021 |
| TV Midco 2 Limited | Financial services | 2021 |
| TV Topco Limited | Financial services | 2021 |
| Tvfxp Ltd | Information & communication | 2024 |
| TVP Platforms Ltd | Wholesale & retail | 2026 |
| Tvsuk Limited | Wholesale & retail | 2022 |
| TW Agents Ltd | Health & social care | 2016 |
| TW Delivery Limited | Transport & logistics | 2025 |
| TW Fuels Limited | Wholesale & retail | 2026 |