| Three Spires Honey Limited | Agriculture & fishing | 2026 |
| Three Spires Mortgage Consultants Limited | Financial services | 2017 |
| Three Spires Property Ltd | Real estate | 2022 |
| Three Tulips Care Ltd | Health & social care | 2025 |
| Threespires Physiotherapy Limited | Health & social care | 2017 |
| Ticdown Systems Limited | Professional & scientific | 2001 |
| TIG Consulting Limited | Information & communication | 2001 |
| Tigger Transport Limited | Transport & logistics | 2017 |
| Tilia Communications Limited | Information & communication | 2014 |
| Tillotson Electrical Limited | Construction | 2022 |
| Time to Hire Recruitment Ltd | Administrative & support | 2026 |
| Timeline Project Management Limited | Professional & scientific | 2014 |
| Tindal Investments Limited | Real estate | 2025 |
| Tiny Catwalk Limited | Wholesale & retail | 2015 |
| TIS Projects Ltd | Professional & scientific | 2019 |
| Titus Developments Limited | Professional & scientific | 2008 |
| TJC Environmental Limited | Professional & scientific | 2020 |
| TK Finance and Consulting Ltd | Professional & scientific | 2019 |
| TLG Maintenance Services Limited | Construction | 2012 |
| TM Brooks Steelworks Limited | Manufacturing | 2024 |
| TMA Franchising Ltd | Arts & recreation | 2026 |
| TMA NW and Cheshire Ltd | Arts & recreation | 2024 |
| TMA Shropshire Ltd | Arts & recreation | 2024 |
| TMA Sportswear Ltd | Wholesale & retail | 2025 |
| Tmdean Limited | Information & communication | 2017 |
| TMS Motorcycle & Automotive Limited | Wholesale & retail | 2023 |
| Tobisel Logistics Ltd | Transport & logistics | 2025 |
| TOM Higgins GAS Services Limited | Construction | 2011 |
| Tomkinson Teal (Lichfield) LLP | | 2010 |
| Tony Goldingay Limited | Extraterritorial | 2023 |
| Toolan Construction & Groundworks Limited | Construction | 2017 |
| Toon OUT Ltd | Arts & recreation | 2024 |
| Toons Transport Limited | Transport & logistics | 2023 |
| Top Mark Chauffeurs Limited | Transport & logistics | 2014 |
| Top Stylist 1 Ltd | Other services | 2025 |
| Topgear Recruitment Solutions Ltd | Administrative & support | 2008 |
| Toplis Associates Limited | Professional & scientific | 1996 |
| Tori Bannister Limited | Information & communication | 2012 |
| Torpoint Capital Ltd | Mining & quarrying | 2021 |
| Total I.T. Services Limited | Information & communication | 2016 |
| Total Machine Support Ltd | Manufacturing | 2011 |
| Total Site Solutions (Midlands) Limited | Manufacturing | 2026 |
| Totaltoro Ltd | Information & communication | 2020 |
| Totem Threadz Ltd | Wholesale & retail | 2026 |
| Touchscreen Talent Limited | Information & communication | 2018 |
| Towers (Lichfield) Limited(The) | Households | 1985 |
| Town & Country INT Limited | Wholesale & retail | 2016 |
| Townsend Interiors Balustrade Ltd | Construction | 2018 |
| Townsend Interiors Brewood Limited | Construction | 2018 |
| TPS Contract Solutions Ltd | Construction | 2015 |
| TR26 Limited | Professional & scientific | 2017 |
| Trade Decking Supplies Ltd | Wholesale & retail | 2022 |
| Tradesmen 365 Ltd | Administrative & support | 2023 |
| Trafford Secretarial Services Ltd | Professional & scientific | 2003 |
| Train Learn Go CGC Limited | Arts & recreation | 2018 |
| Train Time Lichfield Ltd | Arts & recreation | 2024 |
| Training Contract Application Support Limited | Other services | 2014 |
| Transform Digital IT Services Ltd | Administrative & support | 2020 |
| Transform Power Services Limited | Manufacturing | 2017 |
| Transforming Communities Together | Other services | 2014 |
| Transland International (UK) Limited | Transport & logistics | 1996 |
| Transparent Box Company Limited | Manufacturing | 1987 |
| Transverse Engineering Limited | Information & communication | 2006 |
| Travel LEA Limited | Hospitality | 2023 |
| Tree Solutions Midlands Limited | Agriculture & fishing | 2021 |
| Treemendous Estate Care Limited | Administrative & support | 2020 |
| Treeworks Group Limited | Agriculture & fishing | 2019 |
| Trench Lock Metals Limited | Wholesale & retail | 2012 |
| Trent Electronics Ltd. | Manufacturing | 2002 |
| Trent Valley Contracting Limited | Construction | 2024 |
| TRG Plant Services Limited | Professional & scientific | 2010 |
| Trinity Point West Holdings Ltd | Real estate | 2019 |
| Trinity Point West Ltd | Construction | 2019 |
| Triple Threat Tattoo Limited | Other services | 2025 |
| Trirmore Ltd | Transport & logistics | 2019 |
| Trubrooke Ltd | Real estate | 2011 |
| Trudie’S Sweet Shop (Lichfield) Limited | Wholesale & retail | 2010 |
| True Position Robotics Limited | Information & communication | 2005 |
| Trueblue Chiropractic Limited | Other services | 2022 |
| Trueno Limited | Information & communication | 2011 |
| Trust Green Limited | Professional & scientific | 2011 |
| Tshirt Patisserie Limited | Wholesale & retail | 2007 |
| TSM Golf Limited | Arts & recreation | 2021 |
| TSP Retail Ltd | Wholesale & retail | 2025 |
| TTR Horseboxes (Midlands) Limited | Manufacturing | 2022 |
| Tubs & Taps Limited | Construction | 2009 |
| Tudor Hill Finance Limited | Professional & scientific | 2018 |
| Tudor International Ltd | Transport & logistics | 2026 |
| Tudor ROW Tattoo Limited | Arts & recreation | 2020 |
| Tuffin Investments Limited | Wholesale & retail | 2011 |
| TUGGA177 Ltd | Real estate | 2020 |
| Tuke & Bell (Sewage Treatment) Ltd. | Water & waste | 1989 |
| Tuke and Bell Limited | Water & waste | 1912 |
| Tullah Property Management Ltd | Households | 2016 |
| Tuna Motorsport Limited | Wholesale & retail | 2010 |
| Tuning Limited | Wholesale & retail | 2001 |
| Turner Building Ltd | Construction | 2026 |
| Tutum Wallet Ltd | Information & communication | 2024 |
| Tweega Limited | Information & communication | 2000 |
| Twenty Two Corporation Limited | Other services | 2023 |