| Topgear Travel Ltd | Transport & logistics | 2025 |
| Topline Cabling Solutions Ltd | Manufacturing | 2025 |
| Topmarc Ltd | Manufacturing | 2009 |
| Topping Dessert Ltd | Wholesale & retail | 2019 |
| TOR Systems Limited | Information & communication | 1981 |
| Torinrw Limited | Transport & logistics | 2025 |
| Torquehub Limited | Wholesale & retail | 2026 |
| Torro Worldwide Ltd | Wholesale & retail | 2019 |
| Total Accountancy Limited | Professional & scientific | 2008 |
| Total Care United Limited | Administrative & support | 2021 |
| Total Carpet & Upholstery Ltd | Wholesale & retail | 2025 |
| Total Demeanour Limited | Wholesale & retail | 2018 |
| Total Designs (Staffs) Ltd | Manufacturing | 2015 |
| Total Electric (S-O-T) Limited | Construction | 2014 |
| Total FM Group Ltd | Administrative & support | 2020 |
| Total Foot Care (Blythe Bridge) Limited | Health & social care | 2015 |
| Total Groundwork Services Limited | Construction | 2008 |
| Total Health & Lifestyle Ltd | Health & social care | 2018 |
| Total Healthcare Workforce Ltd | Administrative & support | 2026 |
| Total Maintenance & Building Ltd | Construction | 2023 |
| Total Quattro Care Ltd | Wholesale & retail | 2014 |
| Total Serv Ltd | Transport & logistics | 2024 |
| Total Sports Medicine UK Limited | Health & social care | 2005 |
| Total Techniques Ltd | Professional & scientific | 2013 |
| Total Transport Ltd | Transport & logistics | 2024 |
| Total VA Solutions Limited | Other services | 2017 |
| Totally Degu Ltd | Wholesale & retail | 2013 |
| Totally Staffordshire Business Networking Group Limited | Other services | 2013 |
| Totally Trans Ltd | Transport & logistics | 2025 |
| Totalsurv Ltd | Extraterritorial | 2012 |
| TOUCH2SUCCESS Limited | Extraterritorial | 2012 |
| Touchcare Service Limited | Health & social care | 2026 |
| Touched Hair Ltd | Other services | 2025 |
| Toura Toura Ltd | Information & communication | 2019 |
| Tower Properties Maintenance Limited | Households | 2020 |
| Tower Square Building Company Limited | Construction | 2018 |
| Tower Square Investments Limited | Real estate | 2014 |
| Tower Surveys Utilities Ltd | Construction | 2020 |
| Towers Consulting Limited | Professional & scientific | 2011 |
| Towerthings LLP | | 2022 |
| Town and Country (Staffs) Limited | Construction | 2012 |
| Town Centre Garage (Sunderland) Limited | Wholesale & retail | 1978 |
| Town END Estates Limited | Real estate | 2003 |
| Townsend and Renaudon LLP | | 2025 |
| Towry Consulting Services Ltd | Professional & scientific | 2024 |
| Towtal Motorhome Accessories Ltd | Manufacturing | 2014 |
| Toyo Payota Industry Ltd | Wholesale & retail | 2020 |
| TPI for Packaging Ltd | Manufacturing | 2008 |
| TPV Investments Limited | Real estate | 2015 |
| TPV Investments UK Limited | Real estate | 2017 |
| TPV Rentals Limited | Real estate | 2016 |
| TPV Services Limited | Administrative & support | 2014 |
| TR Cleaning Services Ltd | Administrative & support | 2025 |
| TR Nails 338 Ltd | Other services | 2024 |
| TR2 Creative Limited | Information & communication | 2014 |
| TR4723 Ltd | Real estate | 2025 |
| Trackday Comps (Staffordshire) Ltd | Professional & scientific | 2026 |
| Trackday Comps Limited | Other services | 2023 |
| Trackspec UK Ltd | Wholesale & retail | 2025 |
| Tract Engineering (SOT) Limited | Professional & scientific | 2014 |
| Traction 24/7 Ltd | Transport & logistics | 2021 |
| Trade Flair Ltd | Wholesale & retail | 2025 |
| Trade Locally Limited | Information & communication | 2010 |
| Trade Platers UK Recruitment and Training Limited | Administrative & support | 2022 |
| Tradeiton Ltd | Water & waste | 2021 |
| Trademart Staffs Ltd | Wholesale & retail | 2015 |
| Tradesmart Driveways Limited | Construction | 2024 |
| Tradesmen Online Limited | Professional & scientific | 2019 |
| Trading Tech Limited | Wholesale & retail | 2022 |
| Tradingcroft Limited | Manufacturing | 1976 |
| Traditional English Builders Ltd | Construction | 2025 |
| Trail Jack Coaching Ltd | Education | 2026 |
| Trained Coaching Ltd | Arts & recreation | 2022 |
| Training and Business Solutions Limited | Professional & scientific | 2022 |
| Trans 52 Ltd | Transport & logistics | 2021 |
| Trans Bear Ltd | Transport & logistics | 2019 |
| Trans Radek Ltd | Transport & logistics | 2014 |
| Trans World Distribution Limited | Wholesale & retail | 2019 |
| Transairvac Holdings Limited | Professional & scientific | 2024 |
| Transbyte Ltd | Wholesale & retail | 2025 |
| Transcultural Foundation Ltd | Professional & scientific | 2014 |
| Transform Communities Staffordshire CIC | Education | 2024 |
| Transform People Ltd | Professional & scientific | 2026 |
| Translmt Ltd | Transport & logistics | 2026 |
| Transparent IT Ltd | Information & communication | 2021 |
| Transporter 78 Limited | Transport & logistics | 2019 |
| Travel Express 247 Ltd | Transport & logistics | 2014 |
| Travel in Style Executive Chauffeurs Ltd | Transport & logistics | 2023 |
| Travel Industry Design Limited | Information & communication | 2021 |
| Travel Roots Ltd | Administrative & support | 2024 |
| Tread Heads Ltd | Wholesale & retail | 2025 |
| Treadstone Asset Management Ltd | Administrative & support | 2012 |
| Trebork Ltd | Wholesale & retail | 2020 |
| Tred Ecology Ltd | Professional & scientific | 2024 |
| Tredell Holdings Ltd | Financial services | 2025 |
| Tredell Properties Ltd | Real estate | 2025 |
| Tree Top Tree Care Ltd | Administrative & support | 2025 |
| Treethunk Limited | Information & communication | 2024 |
| Treetop Joinery Ltd | Construction | 2004 |
| Tremir Limited | | 1979 |