| Thrive & Grow Homes Limited | Real estate | 2025 |
| THS Trading Limited | Wholesale & retail | 2017 |
| Thsi Consulting Ltd | Professional & scientific | 2020 |
| Thumbs UP Europe LLP | | 2011 |
| Thumbs UP Limited | Extraterritorial | 1994 |
| Thunder OPS Ltd | Information & communication | 2017 |
| Tiamo Italian Ltd | Hospitality | 2018 |
| Tico NW Ltd | Construction | 2025 |
| Tiddlywinks Day Nursery Ltd | Education | 2005 |
| Tiddlywinks Nursery School Heywood Village Ltd | Education | 2020 |
| Tiddlywinks Nursery School Ltd | Health & social care | 2005 |
| Tiffy MCR Ltd | Manufacturing | 2013 |
| TIG NW Limited | Construction | 2024 |
| Tigeraga Ltd | Information & communication | 2025 |
| Tigertek Ltd | Wholesale & retail | 2018 |
| Til&D Food Limited | Hospitality | 2025 |
| Tilt N Thrive Ltd | Information & communication | 2024 |
| Time Race Limited | Arts & recreation | 2017 |
| Time Travel Education Ltd | Administrative & support | 2017 |
| Timeri£H Coaching Ltd | Education | 2024 |
| Tina Beauty (Wilmslow) Ltd | Other services | 2019 |
| Tintad Ltd | Professional & scientific | 2005 |
| Tinterworld Limited | Wholesale & retail | 2024 |
| Tiny Film Studio Ltd | Professional & scientific | 2021 |
| Tiofp Ltd | Health & social care | 2011 |
| Titan Boxing Promotions Ltd | Arts & recreation | 2025 |
| Titan Help Desk Limited | Administrative & support | 2025 |
| Titan Holdings Corporation Ltd | Financial services | 2021 |
| Titan International Foundation | Other services | 2025 |
| Titan Tail Lifts Ltd | Manufacturing | 2024 |
| Tithebarn Care Ltd | Health & social care | 2025 |
| TJK Design & Engineering Services Ltd | Professional & scientific | 2019 |
| TJP Services Ltd | Construction | 2019 |
| TK Autos Limited | Wholesale & retail | 2001 |
| TK Sweets Limited | Wholesale & retail | 2026 |
| TKU Cars Ltd | Wholesale & retail | 2024 |
| TL Holdings Ltd | Financial services | 2026 |
| TLD Builders Ltd | Extraterritorial | 2024 |
| TLS Discounts Ltd | Administrative & support | 2010 |
| TLT Childcare Limited | Health & social care | 2003 |
| TMB Properties Ltd | Real estate | 2022 |
| Tmbw Ltd | Hospitality | 2023 |
| TMO Consultants Limited | Administrative & support | 2020 |
| TMT Bury Ltd | Hospitality | 2026 |
| TMT Motor Company (UK) Limited | Wholesale & retail | 2015 |
| TNZ Properties Ltd | Real estate | 2020 |
| TNZ Solutions Ltd | Professional & scientific | 2010 |
| TOA Media Ltd | Professional & scientific | 2025 |
| Toadparking Limited | Transport & logistics | 2023 |
| Toda Leisure Holdings Limited | Hospitality | 2018 |
| Todd Street Caravan Park Limited | Real estate | 2015 |
| Toddler Sense Manchester Central Limited | Education | 2025 |
| Together Financial Services (Commercial) Limited | Extraterritorial | 2014 |
| Together Money Limited | Extraterritorial | 2016 |
| Tollvale Limited | Manufacturing | 2019 |
| TOM Myers Ltd | Real estate | 2021 |
| TOM O'Connell Ltd | Information & communication | 2017 |
| TOM Samuel (Buying & Merchandising) Recruitment Ltd | Administrative & support | 2018 |
| TOM Samuel Recruitment Ltd | Administrative & support | 2016 |
| Tom's Cattery Limited | Other services | 2022 |
| Tomicha Ventures Ltd | Professional & scientific | 2020 |
| Tomorrows Forests Limited | Agriculture & fishing | 2014 |
| Tonge Martin Limited | Professional & scientific | 2007 |
| Tony's Chippy Ltd | Hospitality | 2008 |
| Tony's Sandwiches Ltd | Hospitality | 2008 |
| Toolbox Phonics Ltd | Education | 2024 |
| Top 777 Ltd | Wholesale & retail | 2024 |
| Top City Housing Ltd | Real estate | 2022 |
| Top Class Produce Ltd | Hospitality | 2021 |
| Top One Tyres Ltd | Wholesale & retail | 2024 |
| Top Quality Mobile Ltd | Wholesale & retail | 2020 |
| Top SOX Limited | Extraterritorial | 2019 |
| Top Trucks (UK) Ltd | Wholesale & retail | 2012 |
| Topa Enterprise Limited | Other services | 2017 |
| Topas Solutions Limited | Financial services | 2015 |
| Topham Commercial Finance Ltd | Financial services | 2023 |
| Topkai Products Ltd | Wholesale & retail | 2018 |
| Topley Investments Ltd | Administrative & support | 2013 |
| Toppolino Bury Ltd | Hospitality | 2014 |
| Tops Farm Engineering Services Limited | Professional & scientific | 2020 |
| TOR Energy Community Interest Company | Energy | 2026 |
| TOR Holdings (NW) Limited | Financial services | 2025 |
| TOR Safety Solutions Limited | Other services | 2023 |
| Tornzone Limited | Real estate | 1999 |
| Torque Ninjas Ltd | Wholesale & retail | 2024 |
| Torr Consultancy & Coaching Ltd | Professional & scientific | 2025 |
| Total Communication Services CIC | Health & social care | 2015 |
| Total Football Coaching (NW) Ltd | Education | 2025 |
| Total Healthcare Solutions Manchester Ltd | Health & social care | 2026 |
| Total Lawn Care Bury (TLC) Ltd | Administrative & support | 2020 |
| Totalbars Ltd | Hospitality | 2023 |
| Totally Aesthetics Limited | Health & social care | 2007 |
| Totally Free Wills Ltd | Professional & scientific | 2007 |
| Totalunique Limited | Financial services | 1987 |
| Toto Nurseries Limited | Education | 2003 |
| Tottington Business Club Limited | Other services | 2007 |
| Tottington House Limited | Wholesale & retail | 2014 |
| Tottington Nursery School Limited | Administrative & support | 2005 |
| Tottington Property Rentals Ltd | Real estate | 2026 |
| Touch International Properties Ltd | Real estate | 2016 |