| T-Safia Ltd | Wholesale & retail | 2026 |
| T. & C. Site Services Limited | Wholesale & retail | 1990 |
| T.B.E Group Limited | Administrative & support | 2018 |
| T.Blackburn Developments Limited | Real estate | 2017 |
| T.D. Thursfield Ltd | Agriculture & fishing | 2023 |
| T.G. Holdcroft (Holdings) Limited | Financial services | 2013 |
| T.S Mortgage & Protection Solutions Ltd | Financial services | 2025 |
| T.V.C. Vehicle Rentals Limited | Wholesale & retail | 2012 |
| T0P Barber Shop Ltd | Other services | 2023 |
| T1GERL1LLY Ltd | Hospitality | 2025 |
| T2 Construction Stoke Ltd | Construction | 2026 |
| T2M Studio Ltd | Professional & scientific | 2015 |
| T30 Support Limited | Health & social care | 2024 |
| T4S Community CIC | Education | 2026 |
| T4S Group Ltd | Education | 2025 |
| T4XVH Limited | Extraterritorial | 2022 |
| T6 Elite CIC | Arts & recreation | 2010 |
| TA Logistics Ltd | Transport & logistics | 2025 |
| TAB Tech GTS Ltd. | Administrative & support | 2011 |
| Tabbenor's Cleaning Services Limited | Administrative & support | 2024 |
| Tableau Reproduction Limited | Manufacturing | 1982 |
| Tabletops and Coffee Shots Ltd | Hospitality | 2024 |
| Tactical Business Solutions Ltd | Professional & scientific | 2019 |
| Tactical Inspection Limited | Manufacturing | 2010 |
| Tactical Solutions FS Limited | Professional & scientific | 2004 |
| Tadema Ceramic Transfers Limited | Manufacturing | 2017 |
| Tadema Designs Limited | Manufacturing | 2025 |
| Taelsa Ltd | Wholesale & retail | 2025 |
| Taft Holdings Limited | Real estate | 2021 |
| Taft Lettings Limited | Real estate | 2023 |
| Tahira Tours Limited | Wholesale & retail | 2026 |
| Taig Solutions Limited | Information & communication | 2015 |
| Tail Wagging Trims Limited | Other services | 2026 |
| Tailair Ductwork Services Limited | Construction | 2006 |
| Tailored Care Solutions Ltd | Administrative & support | 2025 |
| Tailored Floors (Staffs) Limited | Construction | 2014 |
| Tailored Kitchens Ltd | Manufacturing | 2020 |
| Tailored Sports Ltd | Manufacturing | 2019 |
| Tailormade Upvc Specialists Limited | Construction | 2006 |
| TAJ Incorporation Ltd | Wholesale & retail | 2025 |
| TAJ Mughal Limited | Professional & scientific | 2014 |
| TAJ Properties Limited | Construction | 2019 |
| Tajson Limited | Real estate | 2005 |
| Take a Break SOT Ltd | Hospitality | 2025 |
| Take Away Fast Food Ltd | Hospitality | 2025 |
| Take Into Account Ltd | Professional & scientific | 2023 |
| Take ME Go Limited | Transport & logistics | 2019 |
| Take on Goliath Ltd | Professional & scientific | 2021 |
| Take Two Leisure Ltd | Hospitality | 2020 |
| Takemytech Ltd | Information & communication | 2017 |
| Taking OFF the Mask C.I.C. | Health & social care | 2019 |
| Talbot Farms Limited | Wholesale & retail | 2009 |
| Talbot Scientific Limited | Professional & scientific | 2004 |
| Talent Cogent London Limited | Information & communication | 2024 |
| Talent Forge Centre PLC | Education | 2025 |
| Talent Pathway Ltd | Administrative & support | 2023 |
| Talented Partners Limited | Construction | 2023 |
| Talha Rana Ltd | Other services | 2025 |
| Talk Thesis Ltd | Wholesale & retail | 2023 |
| Talk-Ecology Ltd | Professional & scientific | 2026 |
| Talke Property Solutions Ltd | Construction | 2025 |
| Talking Psychotherapy Ltd | Health & social care | 2021 |
| TAM Kadro Ltd | Hospitality | 2025 |
| Tama Trans Limited | Transport & logistics | 2013 |
| Tamedale Steels Ltd | Administrative & support | 2024 |
| Tamil Kitchen Ltd | Hospitality | 2025 |
| Tanda FC Ltd | Other services | 2024 |
| Tanda Home Care Ltd | Administrative & support | 2023 |
| Tanglewood Days CIC | Education | 2018 |
| Tangradg Limited | Wholesale & retail | 2025 |
| Tania Banica Ltd | Transport & logistics | 2025 |
| Tanish SS Ltd | Real estate | 2020 |
| Tanu Beauty Saloon Ltd | Other services | 2025 |
| Tanveer Real Estate Ltd | Real estate | 2025 |
| Tanzan Ltd | Wholesale & retail | 2024 |
| Taperzzbarberstudio Ltd | Other services | 2023 |
| Tappcc Ltd | Health & social care | 2022 |
| Tara Maynard Limited | Information & communication | 2017 |
| Tarasoft Limited | Information & communication | 2011 |
| Tarcon Groundwork Limited | Construction | 2020 |
| Tarcon Holdings Limited | Financial services | 2024 |
| Tardugno Limited | Financial services | 2025 |
| Target Property Developments Limited | Administrative & support | 2004 |
| Tarik Ben-Saud Consulting Limited | Professional & scientific | 2019 |
| Tarun Chadha Properties Limited | Real estate | 2020 |
| TAS Auto Repair Ltd | Wholesale & retail | 2025 |
| TAS Property (2020) Limited | Real estate | 2017 |
| Tass Water Filter Ltd | Wholesale & retail | 2025 |
| Tasslock Ltd | Wholesale & retail | 2024 |
| Tasty Foods Stoke Limited | Hospitality | 2025 |
| Tastys Chicken and Pizza Limited | Hospitality | 2025 |
| Taswin Ltd | Wholesale & retail | 2025 |
| Tatton Building Contractors Limited | Construction | 2009 |
| Tattoos and Tanning Ltd | Other services | 2023 |
| Tavtastic Limited | Other services | 2022 |
| Taxi Secretary Limited | Administrative & support | 2025 |
| TAXI92 Ltd | Transport & logistics | 2025 |
| Taxiolgy Ltd | Transport & logistics | 2023 |
| Taxion Ltd | Transport & logistics | 2025 |
| Taxms Ltd | Professional & scientific | 2025 |