| Tinker-Switzer Associates Ltd | Information & communication | 2019 |
| Tison Industries Ltd | Manufacturing | 2022 |
| Tison Sales Solutions Ltd | Administrative & support | 2024 |
| TJD Refrigerants Ltd | Wholesale & retail | 2018 |
| TLT Group Ltd | Professional & scientific | 2021 |
| TM Javid Ltd | Wholesale & retail | 2022 |
| TM Lean Group (UK) Ltd | Professional & scientific | 2016 |
| Tmgh Limited | Administrative & support | 2010 |
| Tmpstack Ltd | Information & communication | 2026 |
| TMT Locum Ltd | Wholesale & retail | 2026 |
| TNA Holdings Ltd | Financial services | 2025 |
| Tntpropertyinvestment Ltd | Real estate | 2018 |
| Toasi Limited | Professional & scientific | 2014 |
| Tobio Limited | Other services | 2010 |
| Toby James Ltd | Information & communication | 2025 |
| Today Food Cheadle Ltd | Hospitality | 2023 |
| Today Shop Ltd | Wholesale & retail | 2026 |
| Todd Corporation Limited | Financial services | 2020 |
| Together (Trading) Limited | Health & social care | 2005 |
| Together Commercial Finance Limited | Financial services | 1986 |
| Together Financial Services Limited | Professional & scientific | 1994 |
| Together Personal Finance Limited | Financial services | 1991 |
| Toli Global Solutions Limited | Professional & scientific | 2016 |
| Tollitt Designs Ltd | Manufacturing | 2023 |
| TOM & Alice Films Limited | Professional & scientific | 2025 |
| TON Construction Services Limited | Professional & scientific | 2024 |
| Tonacrick Limited | Construction | 2009 |
| Tools Outlet Ltd | Wholesale & retail | 2025 |
| Tootell & Co Limited | Construction | 2004 |
| Top 2 Bottom Maintenance & Repairs Ltd. | Other services | 2015 |
| Top Secret Furniture Ltd | Wholesale & retail | 2014 |
| Top Shine Dunloy Ltd | Administrative & support | 2026 |
| Top Story Communications Ltd | Professional & scientific | 2008 |
| Top Story Public Relations Limited | Professional & scientific | 2008 |
| Top Tree Trading Ltd | Wholesale & retail | 2025 |
| Topack Engineering Ltd | Professional & scientific | 2024 |
| Topchess Ltd | Other services | 2023 |
| Toph Developments Ltd | Real estate | 2022 |
| Toph Properties Ltd | Real estate | 2022 |
| Torque Consultants Limited | Professional & scientific | 1995 |
| Torque Golf Ltd | Wholesale & retail | 2023 |
| Torque Lifesciences Limited | Professional & scientific | 2025 |
| Total Joinery and Building Limited | Manufacturing | 2025 |
| Total Pipework Installation and Mechanical Ltd | Construction | 2022 |
| Tottington One Ltd | Real estate | 2021 |
| Touch Typing for Kids Ltd | Education | 2018 |
| Tovey Little Dental Centre Ltd | Health & social care | 2011 |
| TPI Facilities Limited | Construction | 2025 |
| TPI Holding Group Limited | Construction | 2025 |
| TPN Group Ltd | Real estate | 2020 |
| TPN Investments Ltd | Professional & scientific | 2022 |
| TPN Ventures Ltd | Real estate | 2023 |
| Traction Technology Distribution Limited | Wholesale & retail | 2023 |
| Trade Indx Ltd | Information & communication | 2026 |
| Trade Ramp Ltd | Wholesale & retail | 2026 |
| Tradesguard Services Ltd | Administrative & support | 2024 |
| Trafford Trailer Repairs Ltd | Wholesale & retail | 2026 |
| TRAIN2WORK Community Hub CIC | Education | 2024 |
| Tramonto Ltd | Wholesale & retail | 2023 |
| Tranquil Adult Adhd Limited | Health & social care | 2026 |
| Tranquil TMS Limited | Health & social care | 2017 |
| Transformational Healing Ltd | Extraterritorial | 2022 |
| Transport Data Specialists (TDS) Ltd | Administrative & support | 2021 |
| Travel by Lisa & Co Ltd | Administrative & support | 2025 |
| Trax Academy Limited | Education | 2002 |
| Trax Care Limited | Health & social care | 2002 |
| Trax Holdco Limited | Health & social care | 2015 |
| Trax Smart Ltd | Transport & logistics | 2024 |
| Trendy Knitwear Limited | Manufacturing | 2023 |
| Trendzy Ltd T/A Khich Meri Photo/Foto Ltd | Other services | 2014 |
| Trevor Burgess Ltd | Wholesale & retail | 2025 |
| Trident Europe Limited | Administrative & support | 2015 |
| Trixo Limited | Wholesale & retail | 2025 |
| TRO Cheadle Limited | Hospitality | 2024 |
| Trogen Property Limited | Administrative & support | 2025 |
| Tron Inc. Ltd | Public administration | 2022 |
| Trownbay,Property Co.Limited | Real estate | 1959 |
| TRS Media Solutions Ltd | Professional & scientific | 2024 |
| True Homecare Limited | Health & social care | 2012 |
| True LUX Wear Ltd | Wholesale & retail | 2024 |
| Truflow Technology Ltd | Information & communication | 2025 |
| Truimage Products Ltd | Wholesale & retail | 2017 |
| Truly Hearing & Wellbeing Ltd | Health & social care | 2023 |
| Trumpet PR and Design Limited | Administrative & support | 2011 |
| Trust Boiler Care Limited | Construction | 2012 |
| Trust Hunter Limited | Information & communication | 2018 |
| Trustiam Care Services Limited | Health & social care | 2026 |
| Trustrata Ltd | Information & communication | 2025 |
| TRY Padel Ltd | Education | 2024 |
| TRY Tennis Ltd | Arts & recreation | 2024 |
| TS Broadcast Consultants Ltd | Information & communication | 2021 |
| TSE Accommodations Limited | Hospitality | 2024 |
| TT Technic Limited | Manufacturing | 2020 |
| Ttest Limited | Health & social care | 2023 |
| Tuanna Plumbing and Heating Ltd | Construction | 2020 |
| Tugrali Ltd | Manufacturing | 2024 |
| Turves Road Carpets and Flooring Ltd | Construction | 2025 |
| Turves Vape Limited | Wholesale & retail | 2023 |
| Tussies Manchester Limited | Professional & scientific | 2005 |
| Twilx Ltd | Arts & recreation | 2021 |