| Tomorrow's Covered Limited | Extraterritorial | 2021 |
| Tony Stevens (Golf Professional) Ltd. | Arts & recreation | 2005 |
| TOO Hot to Handle (North West) Limited | Hospitality | 2021 |
| Toothwizard Ltd | Health & social care | 2020 |
| Top Chef Chinese Ltd | Hospitality | 2024 |
| Top HAT Homes Limited | Real estate | 2017 |
| Top Peak Ltd | Financial services | 2024 |
| Top Quote Financial Services Limited | Financial services | 2010 |
| Top Quote Limited | Financial services | 2003 |
| Tops Cleaning Services Ltd | Administrative & support | 2023 |
| Toro Projects Ltd | Construction | 2026 |
| Torplan Limited | Professional & scientific | 1985 |
| Torres Treks Ltd | Administrative & support | 2025 |
| Total Aesthetics & Academy Limited | Other services | 2020 |
| Total Aesthetics Medical Ltd | Health & social care | 2026 |
| Total Home Experts Limited | Wholesale & retail | 2019 |
| Total Security Experts Limited | Wholesale & retail | 2023 |
| Total Tattoo Supplies Ltd | Wholesale & retail | 2024 |
| Total Therapy Association Ltd | Other services | 2024 |
| Touch Solar NW Limited | Construction | 2011 |
| Tour DE Manc Limited | Arts & recreation | 2016 |
| Tourism Board Unofficiale Ltd | Wholesale & retail | 2023 |
| Towbars Cheshire Ltd | Wholesale & retail | 2014 |
| Tower House (Manchester) Limited | Households | 2002 |
| Towing Solutions Limited | Education | 2001 |
| Towle Homes Ltd | Real estate | 2025 |
| Town Centre Food Markets Ltd | Hospitality | 2025 |
| Toy Box Competitions Limited | Arts & recreation | 2024 |
| TP Portfolio Ltd | Real estate | 2022 |
| TP Structures Limited | Wholesale & retail | 2003 |
| TPJ Pizzeria Limited | Hospitality | 2023 |
| TPW Cheshire Trading Ltd | Wholesale & retail | 2015 |
| TR Cheshire Limited | Other services | 2023 |
| TR14 Ltd | Arts & recreation | 2025 |
| Track Legal Ltd | Administrative & support | 2023 |
| Trackside Studios Limited | Education | 2005 |
| Tracy's Barnets Limited | Other services | 2021 |
| Trade and Transport Services Ltd | Water & waste | 2016 |
| Trade Media Ltd | Information & communication | 2020 |
| Tradernet Holdings Limited | Professional & scientific | 2010 |
| Tradernet Limited | Wholesale & retail | 2010 |
| Traditional Countryside Boundaries Limited | Construction | 2009 |
| Traditional Haircut Ltd | Other services | 2024 |
| Trafalgar Square Court Management Limited | Households | 2002 |
| Trafalgar Square Management Limited | Real estate | 2000 |
| Trail Shark Supply Ltd | Manufacturing | 2021 |
| Trailer Systems Limited | Wholesale & retail | 2026 |
| Trailhunters Ltd | Professional & scientific | 2020 |
| Train Live Online Limited | Information & communication | 2003 |
| Training and Development Academy Limited | Education | 2022 |
| Transform Consultancy Limited | Professional & scientific | 2022 |
| Transitdirect Transport Removals and Storage Limited | Transport & logistics | 2025 |
| Transtech Consulting Limited | Professional & scientific | 2021 |
| Travay Ltd | Administrative & support | 2017 |
| Travelcouture Ltd | Professional & scientific | 2024 |
| Traytec Ltd | Professional & scientific | 2022 |
| Treacle Market Ltd | Wholesale & retail | 2021 |
| Treacle Town Podiatry Ltd | Health & social care | 2022 |
| Tregato Limited | Extraterritorial | 2021 |
| Trempo Consulting Ltd | Professional & scientific | 2023 |
| Trevor Farrington Limited | Wholesale & retail | 2001 |
| Trevor Holmes CVS Ltd | Wholesale & retail | 2018 |
| Trewhiddle Village Limited | Hospitality | 2007 |
| Tribb Limited | Real estate | 2023 |
| Triducive Partners Limited | Information & communication | 2019 |
| Trilogy Freight Limited | Transport & logistics | 2013 |
| Trimit Supplies Ltd | Wholesale & retail | 2014 |
| Trinity Buildings Limited | Extraterritorial | 2022 |
| Trinity House Practice Limited | Health & social care | 2003 |
| Tripples Limited | Wholesale & retail | 2024 |
| Triron Factors Limited | Professional & scientific | 1984 |
| Tropic Healthcare Limited | Health & social care | 2022 |
| Tropic Real Estates Limited | Real estate | 2023 |
| True North Mobile Solutions Limited | Information & communication | 2026 |
| Trueline Construction Limited | Administrative & support | 2000 |
| Trumpo Limited | Professional & scientific | 2005 |
| Trunkbbi Ltd | Professional & scientific | 2022 |
| Trust Leads Limited | Other services | 2018 |
| Trusted Cleaning Group Ltd | Administrative & support | 2025 |
| Trustworks Properties Limited | Construction | 2026 |
| TS Broadcasts Limited | Information & communication | 2015 |
| TSB Estates Limited | Real estate | 2023 |
| TSG Complete Claim Services Ltd | Professional & scientific | 2015 |
| TSG Professional Services Limited | Professional & scientific | 2008 |
| Tsgroup Ltd | Administrative & support | 2014 |
| Ttnc Limited | Information & communication | 2004 |
| TTS Capital Group Ltd | Financial services | 2024 |
| Tubes Official Ltd | Manufacturing | 2024 |
| Tudor Place Residents Management Company Limited | Households | 2026 |
| Tudor Rentals Ltd | Real estate | 2020 |
| Tugger Holdings Limited | Financial services | 2022 |
| Tugger Limited | Information & communication | 2021 |
| Tullis Russell Coaters Limited | Manufacturing | 1979 |
| Tunnicliffe Signs & Graphics Limited | Manufacturing | 2002 |
| Turbo Vacuumentation Limited | Manufacturing | 1996 |
| Turfworks International Limited | Extraterritorial | 2005 |
| Turner Holmes Limited | Real estate | 2016 |
| Turno Ltd | Information & communication | 2018 |
| Turquoise Garden Ltd | Hospitality | 2021 |
| TW Management Limited | Real estate | 2019 |