| T J Campbell Properties Ltd | Real estate | 2026 |
| T J Jones Limited | Real estate | 2003 |
| T J Kenney Property Limited | Real estate | 2024 |
| T N S Travel Ltd | Transport & logistics | 2016 |
| T P Electrical & Building Contractors Ltd | Construction | 2022 |
| T S Scaffolding (Midlands) Ltd | Construction | 2017 |
| T T S Retail Ltd | Wholesale & retail | 2023 |
| T W Archer Financial Planning (SJP) Limited | Financial services | 2024 |
| T W Archer Financial Planning Limited | Real estate | 2015 |
| T Wright Transport Limited | Transport & logistics | 2005 |
| T$M Healthcare Limited | Health & social care | 2014 |
| T&A Natural PVT Ltd | Wholesale & retail | 2025 |
| T&J Transport Midlands Ltd | Transport & logistics | 2025 |
| T&M Trade Limited | Wholesale & retail | 2022 |
| T&S Financial Accounting Services Ltd | Professional & scientific | 2024 |
| T&S Mansions Ltd | Real estate | 2023 |
| T&S Properties (Midlands) Ltd | Real estate | 2024 |
| T&S Stores Limited | Wholesale & retail | 1975 |
| T. Francis Roofing Ltd | Construction | 2026 |
| T. I. S. (UK) Services Limited | Wholesale & retail | 1997 |
| T. Smith Roofing & Renovations Ltd | Construction | 2020 |
| T.A.H Travel Ltd | Transport & logistics | 2026 |
| T.C. Campers Ltd | Hospitality | 2024 |
| T.Mars Ltd | Manufacturing | 2025 |
| T.P. Riley Community Association | Education | 1996 |
| T.P.W Industrial Engineering Ltd | Professional & scientific | 2022 |
| T.R. Fastenings Limited | Manufacturing | 1973 |
| T.T.K. Transport Ltd | Transport & logistics | 2014 |
| T2B Building and Landscaping Limited | Construction | 2022 |
| T3 Phlebotomy Ltd | Health & social care | 2018 |
| T8P Limited | Hospitality | 2014 |
| TAA Marbouta UK Ltd | Education | 2022 |
| TAB Marketing Limited | Professional & scientific | 2025 |
| Tabash Ltd | Wholesale & retail | 2019 |
| Tabbo's Private Hire Ltd | Transport & logistics | 2019 |
| Tabeeb Medicus Ltd | Health & social care | 2025 |
| Tableone Food Group Ltd | Hospitality | 2026 |
| Tabletop Strategy Role-Playing (TSR) Ltd | Information & communication | 2023 |
| TAC International Ltd | Education | 2025 |
| Tactic Services Ltd | Construction | 2024 |
| Tadas 1965 Limited | Health & social care | 2017 |
| TAF Alliance Ltd | Health & social care | 2025 |
| Taf-Uk Ltd | Manufacturing | 2010 |
| TAG24 Homes Limited | Real estate | 2026 |
| Tagalbany Limited | Construction | 2023 |
| Tahira Zahir Ltd | Wholesale & retail | 2025 |
| TAI Services CIC | Hospitality | 2020 |
| Tailor Made Academy Ltd | Other services | 2022 |
| Tait Decor Limited | Construction | 2012 |
| TAJ Meds Limited | Financial services | 2026 |
| Taj's Supermarket Ltd | Wholesale & retail | 2020 |
| Taka Maintenance Ltd | Construction | 2023 |
| Take Limited | Wholesale & retail | 2014 |
| Taking OFF Investments Ltd | Financial services | 2025 |
| Talbot Electrical (Midlands) Limited | Construction | 2016 |
| Talbot Solutions Limited | Real estate | 2025 |
| Talent Bridge by AJH Ltd | Professional & scientific | 2026 |
| Taliaco. Ltd | Health & social care | 2025 |
| Talicoms Ltd | Information & communication | 2020 |
| Tall Shoulders Ltd | Health & social care | 2026 |
| Tamdec Global Logistics Ltd | Transport & logistics | 2025 |
| Tame Bridge Garage Limited | Wholesale & retail | 2018 |
| Tanday Pharmacy Limited | Wholesale & retail | 2001 |
| Tangenit Limited | Information & communication | 2016 |
| Tani Supermarket Ltd | Wholesale & retail | 2026 |
| Tanology Midlands Ltd | Other services | 2024 |
| Tantowels Ltd | Wholesale & retail | 2023 |
| Tantra Limited | Wholesale & retail | 1999 |
| Tanu Aujla Transport Ltd | Transport & logistics | 2023 |
| Tanu Medical Ltd | Health & social care | 2025 |
| Tanworth Properties Limited | Real estate | 2016 |
| Tanzanite Travel Limited | Administrative & support | 2023 |
| Tape Solutions Limited | Manufacturing | 2010 |
| Taqwa Halal Foods Ltd | Manufacturing | 2020 |
| Taqwa Walsall Ltd | Wholesale & retail | 2024 |
| TAR Inns Limited | Hospitality | 2023 |
| Tara 77 Investments (Overseas) Holdings Limited | Financial services | 2025 |
| Tara 77 Investments (Overseas) Limited | Financial services | 2025 |
| Tara 77 Investments (UK) Holdings Limited | Financial services | 2025 |
| Tara 77 Investments (UK) Limited | Financial services | 2025 |
| Tara Investments Ltd | Real estate | 2019 |
| TARGET1 Group Limited | Administrative & support | 2017 |
| TARGET1 Property & Investments Ltd | Real estate | 2019 |
| Taribiyah Tutors Ltd | Education | 2025 |
| Tarlinger LLP | | 2011 |
| Task Accounting Limited | Professional & scientific | 2005 |
| Tasnia Bakery Walsall Ltd | Manufacturing | 2025 |
| Taste for Life Community CIC | Administrative & support | 2018 |
| Taste of Ukraine Ltd | Hospitality | 2023 |
| Taste the Best Foods Ltd | Hospitality | 2024 |
| Tasty Smiles Limited | Hospitality | 2017 |
| TAU Procurement Ltd | Hospitality | 2025 |
| Taundry Doors Limited | Manufacturing | 2017 |
| Taurus Motorsport Ltd | Wholesale & retail | 2017 |
| Taute Ltd | Wholesale & retail | 2020 |
| Tawhid Investments Ltd | Wholesale & retail | 2024 |
| Tax Advisors & Paye Services Ltd | Professional & scientific | 2018 |
| Taxfractions PVT Ltd | Other services | 2020 |
| Taxi Hire Plus Ltd | Transport & logistics | 2025 |
| Taxrebated Ltd | Professional & scientific | 2021 |