| THE Vicarage Court Management Company (Earl Shilton) Limited | Households | 1989 |
| THE Wellness Sanctuary Limited | Other services | 2024 |
| THE Wharf (Nuneaton) Management Company Ltd | Households | 2022 |
| THE Wild Lotus Ltd | Hospitality | 2022 |
| THE Window Doctor Care & Repair Service Ltd. | Construction | 1998 |
| THE Window Doctor Corporation Limited | Administrative & support | 2025 |
| THE Wooden Elephant Ltd | Wholesale & retail | 2024 |
| Theatre School of Sutton Coldfield LLP | | 2024 |
| Theblackbookproject Ltd | Health & social care | 2022 |
| Thekitmix Ltd | Wholesale & retail | 2023 |
| Thelwall Properties Limited | Construction | 2000 |
| Therachange Ltd | Health & social care | 2025 |
| Therapeutics Healthcare Limited | Health & social care | 2021 |
| Think Create Share Limited | Manufacturing | 2017 |
| Thistle Loos Group Ltd | Extraterritorial | 2024 |
| Thistle Loos Limited | Construction | 1994 |
| Thomas & Co Mortgage Advice Ltd | Financial services | 2017 |
| Thomas Flavell & Sons EOT Limited | Administrative & support | 2026 |
| Thomas Flavell & Sons Limited | Professional & scientific | 2014 |
| Three MEN and a Ladle Ltd | Extraterritorial | 2023 |
| Three Pots Pantry Limited | Wholesale & retail | 2003 |
| TI Consultants Limited | Construction | 2016 |
| Tideforce Athletics Ltd | Arts & recreation | 2025 |
| Tielta Ltd | Wholesale & retail | 2025 |
| Tigerfish Asset Management Limited | Professional & scientific | 2015 |
| Tilton Fish Bar Ltd | Hospitality | 2025 |
| TIN and Wires Limited | Information & communication | 2018 |
| Tireject International Limited | Other services | 2024 |
| Tireject Limited | Wholesale & retail | 2006 |
| Titanium Car Sales Ltd | Wholesale & retail | 2018 |
| Titelus Transport Limited | Transport & logistics | 2021 |
| TJ Drainage & Plumbing Ltd | Construction | 2021 |
| TJS Hinckley Ltd | Hospitality | 2024 |
| TK Active Ltd | Other services | 2019 |
| TKT Cheer Community Interest Company | Arts & recreation | 2016 |
| TKT Cheerleading Limited | Arts & recreation | 2015 |
| TLB Autocare Ltd | Wholesale & retail | 2024 |
| TM Jackson Properties Limited | Households | 2018 |
| TMC1 Ltd | Hospitality | 2023 |
| TME Accounting Ltd | Professional & scientific | 2021 |
| TMJ Nuneaton Limited | Financial services | 2018 |
| TMS Limited | Wholesale & retail | 2006 |
| TMS Motor Group Limited | Wholesale & retail | 2021 |
| TN Property Services & Repairs Ltd | Construction | 2023 |
| Tobacco Enterprise Ltd | Wholesale & retail | 2020 |
| Tobc Limited | Hospitality | 2023 |
| Toby's Vehicle Repair Ltd | Wholesale & retail | 2020 |
| Toilets 4 Hire Ltd | Extraterritorial | 2013 |
| TOM Garvie Mortgage Services Limited | Financial services | 2015 |
| TOM Payne Limited | Manufacturing | 1981 |
| Tommel Limited | Financial services | 2022 |
| Tomo Joinery Limited | Construction | 2024 |
| Tonder Trans Ltd | Transport & logistics | 2015 |
| Tong Consulting Limited | Extraterritorial | 2023 |
| Tony Mcgranaghan Independent Consultant Ltd | Health & social care | 2014 |
| Top Deck Metering Ltd | Information & communication | 2025 |
| Toptier Roofing MID Ltd | Construction | 2026 |
| Touch Mechanics Limited | Information & communication | 2004 |
| Trade Conversion Services Limited | Manufacturing | 2013 |
| Trade Sign Services Limited | Administrative & support | 2015 |
| TRADE2RETAIL Limited | Administrative & support | 2010 |
| Trades Education Recruitment Ltd | Administrative & support | 2022 |
| Tradesales Group Ltd | Information & communication | 2025 |
| Tradetiler Limited | Wholesale & retail | 2004 |
| Trafalgar Eurotech Ltd | Manufacturing | 2001 |
| Trans-Mid Commercials Limited | Manufacturing | 1991 |
| Transary Ltd | Transport & logistics | 2025 |
| Translations 4U Ltd | Education | 2021 |
| Transmunicate Ltd | Professional & scientific | 2024 |
| Transport Management Services Ltd | Professional & scientific | 2017 |
| Transport Trade Solutions Ltd | Other services | 2017 |
| Transporter 13 Limited | Transport & logistics | 2018 |
| Travel Without Borders Limited | Administrative & support | 2008 |
| Treehill Farm Limited | Professional & scientific | 2012 |
| Tregarron Limited | Wholesale & retail | 1992 |
| Trevorrow Limited | Professional & scientific | 2009 |
| Trident Design & Print Limited | Information & communication | 1992 |
| Trinity Community Church Hinckley | Other services | 2009 |
| Triple S N Ltd | Hospitality | 2025 |
| Triple-A-Way Limited | Other services | 2021 |
| Trkw Pubs Ltd | Hospitality | 2024 |
| Trolltec Ltd | Information & communication | 2014 |
| Truckie Transport Limited | Transport & logistics | 2021 |
| Trufin Trans Ltd. | Transport & logistics | 2012 |
| Truly Defined Limited | Professional & scientific | 2017 |
| Trustukdoctors Ltd | Health & social care | 2024 |
| TTL Travel Solutions Ltd | Administrative & support | 2024 |
| TTR Medtech Consultancy Limited | Health & social care | 2019 |
| Tuensa Ltd | Hospitality | 2014 |
| Tulip House Studio Limited | Arts & recreation | 2019 |
| TUMMY2MUMMY Limited | Other services | 2012 |
| Tungsten Park Management Company Limited | Households | 2007 |
| Tunnicliff Fabrication and Manufacturing Limited | Manufacturing | 2020 |
| Turkish Style Hinckley Ltd | Other services | 2021 |
| Turkvin Global Limited | Health & social care | 2022 |
| Turner & Mills Carpentry & Joinery Limited | Construction | 2023 |
| Turtle Transport Ltd | Transport & logistics | 2019 |
| TWENTY4SEVEN Campervan Hire Ltd | Administrative & support | 2021 |
| Twycross Estates Limited | Other services | 1995 |
| Tyre Medics Ltd | Wholesale & retail | 2009 |