| Tj.S Supermarket Limited | Hospitality | 2021 |
| TJB Electrical Contractors Limited | Construction | 2024 |
| TJB Heating Services Limited | Construction | 2013 |
| Tjea Limited | Real estate | 2026 |
| Tjmangal Ltd | Hospitality | 2026 |
| TJS Vayuhub Ltd | Wholesale & retail | 2025 |
| TJT Bird Limited | Extraterritorial | 2013 |
| TJV Dance Company Limited | Education | 2023 |
| TJZ Apples Ltd | Real estate | 2021 |
| TK Architectural Design Services Ltd | Professional & scientific | 2022 |
| TK Aviation Parts and Shipping Limited | Other services | 2017 |
| TK Global Distributions Ltd | Wholesale & retail | 2022 |
| TK LES Limited | Hospitality | 2026 |
| TK Live Limited | Professional & scientific | 2026 |
| TK TWENTY4FITNESS Ltd | Arts & recreation | 2015 |
| TK-1 International Limited | Professional & scientific | 2021 |
| Tkay Ventures Company Limited | Health & social care | 2014 |
| TKC Livestock Ltd | Agriculture & fishing | 2024 |
| Tkdl Mitchell Estates Limited | Real estate | 2018 |
| TKF Limited | Wholesale & retail | 2021 |
| TKG Blast Cleaners Ltd | Construction | 2025 |
| TKG1 Ltd | Households | 2022 |
| Tkkn Manom Care Limited | Health & social care | 2024 |
| TKM Consulting Ltd | Information & communication | 2019 |
| TKS Electrical & Mechanical Services Ltd | Manufacturing | 2022 |
| TKV Motors Ltd | Wholesale & retail | 2016 |
| TKY Group Limited | Manufacturing | 2022 |
| Tl&Es Ltd. | Manufacturing | 2018 |
| TLA Care Ltd | Health & social care | 2023 |
| TLB Construction Services Limited | Construction | 2005 |
| TLC Cabs Ltd | Transport & logistics | 2023 |
| TLC Care Leicester Ltd | Health & social care | 2024 |
| TLC Events (Leicester) Ltd | Arts & recreation | 2015 |
| Tlcnp Ltd | Hospitality | 2026 |
| Tlgc Limited | Extraterritorial | 2021 |
| TLK Game Development Ltd | Information & communication | 2015 |
| TLK Services Ltd | Wholesale & retail | 2026 |
| Tlltd Limited | Hospitality | 2016 |
| TLM Sales Limited | Hospitality | 2023 |
| TLM Services Limited | Construction | 2000 |
| TLM Ventures Finance Limited | Transport & logistics | 2022 |
| TLM Ventures Limited | Professional & scientific | 2018 |
| TLZ Developments Ltd | Real estate | 2025 |
| TM & Bros Ltd | Wholesale & retail | 2021 |
| TM Asset Management Limited | Professional & scientific | 2013 |
| TM Capital Ltd | Real estate | 2022 |
| TM Cleanz Ltd | Other services | 2020 |
| TM Courier Services Ltd | Transport & logistics | 2026 |
| TM Foods Leics Limited | Hospitality | 2024 |
| TM Insights Ltd | Professional & scientific | 2026 |
| TM Pro Limited | Wholesale & retail | 2021 |
| TM Qureshi Ltd | Real estate | 2024 |
| TM Vehicle Trading Ltd | Wholesale & retail | 2026 |
| Tm-Arch Consulting Limited | Administrative & support | 2014 |
| TM1 Properties Ltd | Real estate | 2024 |
| TM16 Consultancy Limited | Professional & scientific | 2023 |
| Tmak Construction Limited | Construction | 2011 |
| TMB Vape LAB Ltd | Wholesale & retail | 2019 |
| TMC Services (Leics) Limited | Construction | 2004 |
| Tmfb Limited | Professional & scientific | 2000 |
| TMG Transport Ltd | Transport & logistics | 2024 |
| TMH Simpson Limited | Professional & scientific | 2002 |
| TMJ Sales & Service Ltd | Wholesale & retail | 2018 |
| TML Solicitors Ltd | Professional & scientific | 2012 |
| TMM Property Limited | Real estate | 2018 |
| Tmmcoaching Ltd | Education | 2023 |
| TMQ Solutions Ltd | Wholesale & retail | 2026 |
| TMR Automotive Services Ltd | Wholesale & retail | 2017 |
| Tmrd Ltd | Information & communication | 2018 |
| TMS Transport Ltd | Transport & logistics | 2024 |
| Tmsara Limited | Transport & logistics | 2015 |
| TMT Care Services Ltd | Administrative & support | 2023 |
| TMT Carpentry and Building Ltd | Manufacturing | 2024 |
| TMT Mechanical Engineering Limited | Professional & scientific | 2025 |
| TMT Solutions Ltd | Transport & logistics | 2018 |
| TMT Ventures Ltd | Real estate | 2022 |
| TMY Logistics Ltd | Transport & logistics | 2021 |
| TN Property Management Limited | Real estate | 2022 |
| TNC Installations Limited | Construction | 2026 |
| TND Distribution Ltd | Wholesale & retail | 2021 |
| TNH Media Ltd | Information & communication | 2021 |
| TNK Europe Limited | Manufacturing | 2004 |
| TNR Haulage Ltd | Transport & logistics | 2017 |
| TNS Housing Limited | Real estate | 2024 |
| Tnsf Ltd | Construction | 2026 |
| Tntselect Groceries Ltd | Wholesale & retail | 2025 |
| Tnuc Limited | Energy | 2022 |
| TO BE Advised Limited | Professional & scientific | 2025 |
| TO Consult and Management Ltd | Professional & scientific | 2025 |
| Toan 100 Limited | Manufacturing | 1975 |
| Toasteez Limited | Construction | 2011 |
| Toastmaster.Np Ltd | Other services | 2025 |
| Tobea Properties Limited | Real estate | 2019 |
| Tobeez Enterprises Ltd | Administrative & support | 2009 |
| Tobeez Properties Ltd | Real estate | 2022 |
| Tobyshop Ltd | Administrative & support | 2008 |
| Toffee in the WOK Ltd | Hospitality | 2025 |
| Tofiaa Properties Limited | Real estate | 2022 |
| Tofino Homes Limited | Construction | 2009 |
| Together Against Cancer | Administrative & support | 2008 |