| T & G Corporation Ltd | Real estate | 2019 |
| T & H Food House Ltd | Hospitality | 2021 |
| T & J Gardening Services Ltd | Administrative & support | 2019 |
| T & J Total Services Ltd | Administrative & support | 2012 |
| T & M Chambers Consulting Limited | Professional & scientific | 2020 |
| T & N Thai Ltd | Health & social care | 2021 |
| T & N Tyre Supplies Limited | Manufacturing | 2007 |
| T & S Distributor Ltd | Manufacturing | 2019 |
| T & S Trading (Leicester) Ltd | Wholesale & retail | 2018 |
| T & T Printing Limited | Manufacturing | 2008 |
| T & W Healthcare Products Limited | Wholesale & retail | 2016 |
| T a Cooper Properties Ltd | Real estate | 2025 |
| T Accounts Services Limited | Professional & scientific | 2021 |
| T Bhai Ltd | Wholesale & retail | 2023 |
| T C Bespoke Build Ltd | Construction | 2026 |
| T C S Cottesmore Limited | Hospitality | 2015 |
| T Cars and Recovery Limited | Wholesale & retail | 2024 |
| T D Aviation Services Limited | Other services | 2011 |
| T F S (UK) Ltd | Wholesale & retail | 2000 |
| T H Investment Services Ltd | Real estate | 2024 |
| T H Steel Ltd | Construction | 2015 |
| T Hall Transport Ltd | Administrative & support | 2025 |
| T J Fast Food Limited | Wholesale & retail | 2003 |
| T J Hall Construction Limited | Professional & scientific | 2014 |
| T J Hall Limited | Construction | 1996 |
| T J'S Evington Ltd | Hospitality | 2022 |
| T Junction Holdings Ltd | Financial services | 2026 |
| T L R Health Care Services Ltd | Health & social care | 2017 |
| T L W Transport Ltd | Transport & logistics | 2021 |
| T M Services & Spares Limited | Manufacturing | 1988 |
| T Merry Joinery Ltd | Construction | 2017 |
| T N Capital Limited | Real estate | 2014 |
| T N Edwards Building & Construction Limited | Construction | 2022 |
| T N Lall Limited | Professional & scientific | 2015 |
| T N T Motors Ltd | Wholesale & retail | 2025 |
| T Promotions Limited | Professional & scientific | 2019 |
| T R G Services Limited | Professional & scientific | 2000 |
| T S Bloor Properties Limited | Real estate | 2018 |
| T S Kingsbury Limited | Hospitality | 2014 |
| T S Knitwear (UK) Ltd | Manufacturing | 2007 |
| T S Refrigeration Limited | Manufacturing | 2003 |
| T S Royce Consultant Ltd | Professional & scientific | 2023 |
| T Shirt Wala Ltd | Wholesale & retail | 2024 |
| T V S SAM Limited | Other services | 2008 |
| T Virk Properties Ltd | Real estate | 2026 |
| T W Hail International Limited | Wholesale & retail | 2021 |
| T Wells Developments Limited | Construction | 2023 |
| T Z Foods Limited | Wholesale & retail | 2017 |
| T&A Automotives Ltd | Wholesale & retail | 2025 |
| T&A Car Rental Limited | Administrative & support | 2024 |
| T&A Investcorp Ltd | Hospitality | 2024 |
| T&A Ranas Group Ltd | Real estate | 2022 |
| T&G Builders Ltd | Construction | 2025 |
| T&Jdevelopments Ltd | Real estate | 2020 |
| T&K Stevenson Limited | Health & social care | 2012 |
| T&N Enterprises Limited | Financial services | 2024 |
| T&P Wellness Ltd | Health & social care | 2024 |
| T&S Care Ltd | Health & social care | 2023 |
| T&S Foods Trading Ltd | Administrative & support | 2023 |
| T&Sons Kitchen and Bedroom Ltd | Manufacturing | 2026 |
| T&T (Leic) Car Sales Ltd | Wholesale & retail | 2016 |
| T&V Brother’S Limited | Transport & logistics | 2026 |
| T'S Furniture (Leic) Ltd | Wholesale & retail | 2022 |
| T'S Junction Driving School Ltd | Education | 2024 |
| T-Boy Tees Ltd | Manufacturing | 2019 |
| T-Rax Group Ltd | Manufacturing | 2021 |
| T-Shirt Factory CMT Limited | Manufacturing | 2021 |
| T-Square Design Ltd | Construction | 2019 |
| T-Stars 11 Ltd | Wholesale & retail | 2020 |
| T. Barai Limited | Professional & scientific | 2017 |
| T.A.Houghton & SON Limited | Professional & scientific | 2002 |
| T.A.R. Engineering Limited | Manufacturing | 1987 |
| T.And N.Bambury Limited | Construction | 1933 |
| T.B. Engineering (UK) Limited | Construction | 2007 |
| T.B.F. Communications | Professional & scientific | 1885 |
| T.E. Cundy & SON Limited | Wholesale & retail | 1940 |
| T.G.S. Property Co. Limited | Construction | 1985 |
| T.Hoey & SON | Wholesale & retail | 1972 |
| T.L. Bennett (Holdings) Limited | Extraterritorial | 1966 |
| T.M. Machinery Sales Limited | Manufacturing | 1984 |
| T.N.A Catering Ltd | Hospitality | 2025 |
| T.P. Driver Limited | Transport & logistics | 2015 |
| T.R.P. Products (UK) Limited | Manufacturing | 2004 |
| T.R.Williamson Ltd | Professional & scientific | 2018 |
| T.R.Y. Holdings Limited | Financial services | 2020 |
| T.S. Trade Services Ltd | Information & communication | 2020 |
| T.W.S.Properties Limited | Transport & logistics | 1969 |
| T.Y.T Limited | Construction | 2002 |
| T1 Bar Ltd | Hospitality | 2025 |
| T1 Holdings Ltd | Financial services | 2025 |
| T1 Restaurant Ltd | Hospitality | 2025 |
| T18 UK Ltd | Professional & scientific | 2021 |
| T27 Solutions Ltd | Information & communication | 2011 |
| T2U Distribution Ltd | Wholesale & retail | 2023 |
| T5 Enterprises Ltd | Wholesale & retail | 2018 |
| T7C Consultancy Ltd | Professional & scientific | 2016 |
| TA Leicester Property Ltd | Real estate | 2018 |
| TA Trading Style Ltd | Manufacturing | 2025 |
| Ta&Ta Ltd | Professional & scientific | 2016 |
| TAA3 Ltd | Health & social care | 2025 |