| Tameer Investment Ltd | Real estate | 2022 |
| Tameer Trading Ltd | Real estate | 2023 |
| Tamir Limited | Professional & scientific | 2026 |
| Tamtiling Walls & Floors Ltd | Construction | 2020 |
| Tamworth Cues Ltd | Wholesale & retail | 2023 |
| Tamworth Self Storage Limited | Other services | 2019 |
| Tamworth Tungsten Park Real Estate Limited | Real estate | 2021 |
| Tamz Healthcare Ltd | Health & social care | 2020 |
| Tana Capital Ltd | Real estate | 2025 |
| Tancentre Hire Ltd | Other services | 2025 |
| Tandem Asset Management Limited | Administrative & support | 2009 |
| Tandteepropertyservices Limited | Real estate | 2024 |
| Tanern Staffing Solutions Ltd | Administrative & support | 2019 |
| Tang Finance Limited | Extraterritorial | 2006 |
| Tang Industries Limited | Financial services | 2016 |
| Tang Solutions Limited | Information & communication | 2002 |
| TANGIBLETECH2 Limited | Administrative & support | 2023 |
| Tangmere Road Medical Services Limited | Health & social care | 2020 |
| Tanim Ltd | Health & social care | 2016 |
| Tanroc Group Ltd | Wholesale & retail | 2025 |
| Tanshare Limited | Wholesale & retail | 2008 |
| Tanucore Ltd | Wholesale & retail | 2025 |
| Tanzey Ltd | Professional & scientific | 2026 |
| Tapichlom Limited | Health & social care | 2022 |
| Taprive Ltd | Administrative & support | 2019 |
| Tapsell Carpets Ltd | Wholesale & retail | 2007 |
| Tapvoch Mining PLC | Mining & quarrying | 2018 |
| Taqdeer Transport Ltd | Transport & logistics | 2025 |
| Tarafique Medical Aesthetics Ltd | Health & social care | 2025 |
| Taramisu Ltd | Hospitality | 2026 |
| Target EPC Limited | Professional & scientific | 2015 |
| Tark Motors Rentals Ltd | Administrative & support | 2025 |
| Tarling Limited | Professional & scientific | 2022 |
| Tarmac Building Products Limited | Manufacturing | 2000 |
| Tarmac Sandstone Limited | Professional & scientific | 1947 |
| Tasc Software Solutions Limited | Information & communication | 2001 |
| Tashinga Ltd | Wholesale & retail | 2024 |
| Task Consumer Products Limited | Wholesale & retail | 2008 |
| Taskflow Services Ltd | Administrative & support | 2025 |
| Tass Ltd | Health & social care | 2015 |
| Tassels Training Limited | Other services | 2013 |
| Taste 828 Limited | Hospitality | 2024 |
| Taste of Caribbean Patties Ltd | Wholesale & retail | 2024 |
| Taste of Delhi Ltd | Hospitality | 2025 |
| Taste of Distinction Ltd | Manufacturing | 2021 |
| Taste of India (Coven) Ltd | Hospitality | 2024 |
| Tastedaflavourz Limited | Manufacturing | 2024 |
| Tasty Fryer 2 Ltd | Wholesale & retail | 2026 |
| Tasty Fryer Ltd | Hospitality | 2023 |
| Tasty Pots Limited | Hospitality | 2026 |
| Tata Cargo Ltd | Other services | 2014 |
| Tatiana & Terry Properties Ltd | Real estate | 2023 |
| Tatla Properties Limited | Real estate | 2025 |
| Tatton Hall Homes (Bradmore) Limited | Real estate | 2015 |
| Tatton Hall Homes (Codsall) Limited | Construction | 2017 |
| Tatton Hall Homes (Cranmoor Lodge) Limited | Construction | 2017 |
| Tatton Hall Homes (Temple Bar) Limited | Construction | 2017 |
| Tatton Hall Homes (Trysull) Limited | Construction | 2015 |
| Tatton Hall Homes (WLB) Limited | Construction | 2017 |
| Tatton Hall Homes Limited | Construction | 2004 |
| Taurus Hotels Ltd | Hospitality | 2025 |
| Tavnitapparel Ltd | Wholesale & retail | 2026 |
| Tax 2 Go Limited | Professional & scientific | 2011 |
| Tax Assistance Limited | Professional & scientific | 2011 |
| Tax Autorius Ltd | Education | 2021 |
| Tax PAY Solutionn Ltd | Information & communication | 2025 |
| Taxi Plated Cars 4 Rent Ltd | Administrative & support | 2025 |
| Taxrale Electrics Limited | Manufacturing | 1969 |
| Tayari Investment Ltd | Real estate | 2024 |
| Tayla-Jays Aerial Company Ltd | Education | 2024 |
| Taylor Made 365 Ltd | Construction | 2025 |
| Taylor Made Boilers & Bathrooms Ltd | Construction | 2021 |
| Taylors Classics Limited | Manufacturing | 2012 |
| Tayyab Holdings Ltd | Wholesale & retail | 2026 |
| TAZ Services INT Ltd | Construction | 2025 |
| TBE Plumbing & Heating Limited | Construction | 2010 |
| TBI Therapy Associates Limited | Health & social care | 2023 |
| TBL Homes Ltd | Real estate | 2025 |
| TBS Homes Group Ltd | Hospitality | 2026 |
| TBW Traffic Ltd | Extraterritorial | 2023 |
| TC Royale Properties Ltd | Real estate | 2021 |
| TCG Property Holdings Limited | Real estate | 2025 |
| Tcguk Ltd | Hospitality | 2026 |
| TCL Electronic Repairs Ltd | Manufacturing | 2024 |
| TCM Diagnostics Ltd | Health & social care | 2014 |
| TCW Academy Ltd | Education | 2026 |
| TD Global Services Limited | Extraterritorial | 2024 |
| TDE Summit Limited | Manufacturing | 2016 |
| Tdft Ltd | Administrative & support | 2025 |
| TDK Housing Ltd | Real estate | 2024 |
| TDK Insulation Ltd | Construction | 2023 |
| Tdkd Properties Limited | Real estate | 2024 |
| Tdotc Projects Ltd | Professional & scientific | 2025 |
| Teachers Train Teachers Ltd. | Administrative & support | 2019 |
| Team Cycles Ltd | Arts & recreation | 2019 |
| Team Dudley Catering Limited | Hospitality | 2022 |
| Team Events Ltd | Arts & recreation | 2011 |
| Team S & P Ltd | Households | 2025 |
| Teamndtlegacygroup Ltd | Information & communication | 2025 |
| TEC3D Ltd | Professional & scientific | 2007 |