| T J Acquisitions Limited | Real estate | 2009 |
| T Time Estates Limited | Real estate | 2019 |
| T&A Marketplace Limited | Wholesale & retail | 2026 |
| T&T.Chits Engineering Ltd | Construction | 2025 |
| T-Dale Ltd | Construction | 2019 |
| T-Net Consultants Limited | Information & communication | 2022 |
| T. J. Refrigeration Limited | Construction | 1994 |
| T.D.X. Ltd. | Administrative & support | 1997 |
| T.S Corp Ltd | Health & social care | 2026 |
| T8 Logistics Ltd | Transport & logistics | 2026 |
| Taaha Zaki Limited | Wholesale & retail | 2023 |
| Tabish Ltd | Wholesale & retail | 2019 |
| Table and Thyme North West Limited | Hospitality | 2025 |
| Tablites Limited | Administrative & support | 2011 |
| Tabor Angels Ltd | Health & social care | 2016 |
| Tactical Safety Group Limited | Professional & scientific | 2023 |
| TAG Airconditioning Ltd | Construction | 2009 |
| TAG Mila Limited | Health & social care | 2013 |
| Tahrir Square CIC | Health & social care | 2024 |
| Tailhaus Limited | Wholesale & retail | 2025 |
| TAJ Alwaqar CIC | Education | 2024 |
| Tajar Limited | Professional & scientific | 2026 |
| Take My Mattress Ltd | Administrative & support | 2020 |
| Take My Sofa Ltd | Administrative & support | 2023 |
| Takeuchi MFG. (U.K.) Limited | Administrative & support | 1996 |
| Talbot United Ltd | Information & communication | 2025 |
| Talha Zafar Limited | Wholesale & retail | 2025 |
| Talisman UK Properties Ltd | Real estate | 2023 |
| Talk Investments Limited | Extraterritorial | 2024 |
| Talking Monkey Ltd | Information & communication | 2010 |
| Talking Therapy North Limited | Health & social care | 2024 |
| Talkmore Ltd | Information & communication | 2018 |
| Tall Dark Creative Ltd | Information & communication | 2026 |
| Tameside Karate Ltd | Administrative & support | 2017 |
| Tanaki Limited | Wholesale & retail | 2025 |
| Tanakistore Ltd | Wholesale & retail | 2019 |
| Tanami Consultants Ltd | Professional & scientific | 2023 |
| Tanami Education Ltd | Education | 2025 |
| Tanmiya Properties Limited | Real estate | 2024 |
| Target Fire Protection Holdings Limited | Financial services | 2026 |
| Target Fire Protection Limited | Manufacturing | 2001 |
| Tariq's Grill Ltd | Hospitality | 2013 |
| Tasfar Private Ltd | Wholesale & retail | 2025 |
| Tasho Ltd | Wholesale & retail | 2023 |
| Taste Setters Ltd | Hospitality | 2015 |
| Tasty Bites Rochdale Ltd | Hospitality | 2025 |
| Tattersalls Bakery Ltd | Manufacturing | 2023 |
| Tawaaf Travel Ltd | Transport & logistics | 2024 |
| Taxly Accountants Ltd | Professional & scientific | 2025 |
| Taybur Services Limited | Administrative & support | 2002 |
| Taylor Engineering & Plastics (Holdings) Limited | Real estate | 2016 |
| Taylor Made Child Minders Ltd | Education | 2015 |
| Taylor Property Developments NW Ltd | Construction | 2025 |
| Taylor ST Limited | Real estate | 2025 |
| Taylor Starr Limited | Extraterritorial | 2023 |
| Taylor Taylor Hair Ltd | Other services | 2025 |
| Taylor Technical Coatings Limited | Manufacturing | 2015 |
| Taylor's Solutions Ltd | Information & communication | 2015 |
| Taylors Roofing Contractors Ltd | Construction | 2014 |
| Taylor’S Transformations Ltd | Real estate | 2025 |
| Tayson & Hanover House Management Company Limited | Administrative & support | 2007 |
| Tazfades Ltd | Other services | 2025 |
| TB Kart UK Ltd | Wholesale & retail | 2024 |
| TBD Accountants Limited | Professional & scientific | 2016 |
| TBH Heating Ltd | Construction | 2023 |
| TC Wyatt Morris Golland Limited | Professional & scientific | 2020 |
| Tcso Burnley Hand Car Wash Ltd | Administrative & support | 2025 |
| Tcso Hand Car Wash Ltd | Other services | 2019 |
| TCT Rochdale Ltd | Wholesale & retail | 2018 |
| Tdfl Property Ltd | Real estate | 2023 |
| TEC Engineering (NW) Ltd | Manufacturing | 2019 |
| Tech 4EVERY Limited | Administrative & support | 2023 |
| Tech R&D Relief Partners Limited | Information & communication | 2026 |
| Tech Tronix Space Ltd | Wholesale & retail | 2023 |
| Techgear Solutions Direct Limited | Wholesale & retail | 2012 |
| Technical Services Bathrooms Limited | Construction | 2017 |
| Technical Welding Services (Rochdale) Limited | Manufacturing | 1983 |
| Techno Gadgets 4 U Ltd | Wholesale & retail | 2025 |
| Technology Empire Ltd | Extraterritorial | 2011 |
| Techodoo Ltd | Information & communication | 2022 |
| Techone Electronics Ltd | Construction | 2009 |
| Techsmart Software Solutions Ltd | Information & communication | 2019 |
| Teclo Engineering & Fabrication Ltd | Manufacturing | 2024 |
| Tecno Motors Limited | Wholesale & retail | 2022 |
| Teddy Bear Nursery Limited | Education | 1995 |
| TEE JAY Healthcares Limited | Wholesale & retail | 2022 |
| Tees Recruitment Ltd | Administrative & support | 2016 |
| Teeth Wellness Ltd | Health & social care | 2023 |
| Telecom Business Solutions Ltd | Information & communication | 2018 |
| Telematic Solutions UK Limited | Other services | 2025 |
| Telenzo Ltd | Other services | 2024 |
| Tell Street Motors Ltd | Wholesale & retail | 2024 |
| Temiliz Limited | Health & social care | 2026 |
| Temperature Controlled Vehicle Leasing Ltd | Administrative & support | 2014 |
| Temporary Works Management Ltd | Administrative & support | 2025 |
| TEN R Limited | Real estate | 2020 |
| Tenants Have Rights Ltd | Extraterritorial | 2020 |
| Tenants Have Rights TOO Ltd | Professional & scientific | 2009 |
| Tender Ltd | Construction | 2025 |
| Tenmen Ltd | Construction | 2025 |