| Team Personnel Solutions Limited | Administrative & support | 2008 |
| Team TEX (UK) Limited | Wholesale & retail | 2003 |
| Team Topologies Ltd | Information & communication | 2021 |
| Team Umpf Limited | Administrative & support | 2025 |
| Team Vacform Limited | Manufacturing | 2005 |
| Team.Md Ltd | Construction | 2022 |
| Teamtops Coaching Ltd | Education | 2024 |
| Teapot Tea OR Coffee Ltd | Hospitality | 2015 |
| Teapresso Ltd | Manufacturing | 2025 |
| Teas Property House Ltd | Real estate | 2025 |
| Teawood Nominees Limited | Financial services | 1992 |
| TEC Partners (South East) Limited | Administrative & support | 2000 |
| TEC Partners Limited | Professional & scientific | 2004 |
| Teca Group Ltd | Education | 2026 |
| Tech & Vapes Yorkshire Ltd | Wholesale & retail | 2025 |
| Tech Acquisitions Limited | Financial services | 2026 |
| Tech Enterprise Ltd | Wholesale & retail | 2018 |
| Tech Imports (London) Limited | Wholesale & retail | 2018 |
| Tech IT Innovations Ltd | Information & communication | 2024 |
| Tech Mushroom Ltd | Information & communication | 2024 |
| Tech Phones Ltd | Wholesale & retail | 2023 |
| Tech Premier Limited | Information & communication | 2022 |
| Tech Shop Leeds Ltd | Wholesale & retail | 2022 |
| Tech Solar Solutions UK Ltd | Wholesale & retail | 2024 |
| Tech Trip Plus Ltd | Administrative & support | 2021 |
| Tech World 786 Ltd | Wholesale & retail | 2026 |
| Tech-Fit Limited | Information & communication | 2011 |
| TECH247 Leeds Limited | Arts & recreation | 2014 |
| TECH64 Solutions Ltd | Information & communication | 2016 |
| Techaura Ltd | Wholesale & retail | 2024 |
| Techbury Limited | Information & communication | 2012 |
| Techcare Solutions Limited | Administrative & support | 2024 |
| Techintegrate Ltd | Professional & scientific | 2016 |
| Techknol Power Generation Limited | Wholesale & retail | 2014 |
| Techmech Engineering Solutions Ltd | Manufacturing | 2025 |
| Techmedia Yorkshire Limited | Information & communication | 2018 |
| Techmerce Limited | Information & communication | 2025 |
| Technative Labs Ltd | Information & communication | 2026 |
| Technical and Software Developments Ltd | Wholesale & retail | 2010 |
| Technical Development Academy Ltd | Education | 2024 |
| Technical Ethanol Limited | Professional & scientific | 2016 |
| Technical KO Consulting Ltd | Information & communication | 2025 |
| Technigent (UK) Limited | Information & communication | 2014 |
| Technika Supply Ltd | Wholesale & retail | 2024 |
| Techno Building Services Ltd | Manufacturing | 2019 |
| Techno Fones Limited | Wholesale & retail | 2021 |
| Techno Gastro Ltd | Hospitality | 2026 |
| Techno Geek Ltd | Wholesale & retail | 2018 |
| Techno Glazing Ltd | Construction | 2024 |
| Techno Trading Estate Morley Ltd | Real estate | 2025 |
| Technoholix Ltd | Information & communication | 2010 |
| Technology Enabled Management Ltd | Information & communication | 2020 |
| Technoprise International Ltd | Wholesale & retail | 2019 |
| Technovibes Limited | Information & communication | 2017 |
| Technowatt Projects and Systems Limited | Construction | 2007 |
| Techpulse Ltd | Information & communication | 2012 |
| Techsolve Global Limited | Information & communication | 2017 |
| Techstrength Ltd | Wholesale & retail | 2023 |
| Techtile Solutions Ltd | Information & communication | 2017 |
| Techtix Digital Ltd | Information & communication | 2026 |
| Techtronix Solutions Ltd | Information & communication | 2026 |
| Teckkam Dental Care Limited | Health & social care | 2016 |
| Teckkam Property Investment Limited | Real estate | 2015 |
| Tecknows Ltd | Construction | 2024 |
| Tecl Fire Protection Limited | Construction | 2017 |
| Tecno Lawyer Ltd | Administrative & support | 2018 |
| Tecoldings Limited | Professional & scientific | 1950 |
| Tecrec Limited | Administrative & support | 2020 |
| Tecta Ltd | Administrative & support | 2018 |
| Tectum Build Ltd | Construction | 2023 |
| TED and Bert Limited | Wholesale & retail | 2017 |
| TED Foyle Ltd | Construction | 2022 |
| TED Guest Ltd | Wholesale & retail | 2025 |
| Teddys Sandwich Bar Limited | Hospitality | 2025 |
| Teds Beds Custom Made Mattresses Ltd | Manufacturing | 2025 |
| Teds Waste Services Ltd | Water & waste | 2025 |
| Teean Ltd | Professional & scientific | 2026 |
| Teeben Ltd | Administrative & support | 2026 |
| Teejay Impex Afrimart Ltd | Wholesale & retail | 2025 |
| Teem Ltd | Administrative & support | 2015 |
| Teeny Tales Ltd | Wholesale & retail | 2024 |
| Teepag Ltd | Manufacturing | 2020 |
| Tees Cider Ltd | Manufacturing | 2014 |
| Teesdale Architectural Stone Limited | Mining & quarrying | 2004 |
| Teeshya Limited | Real estate | 2021 |
| Teeth Savers Ltd | Real estate | 2022 |
| Teetotal Movement Limited | Hospitality | 2019 |
| TEF Global Limited | Information & communication | 2008 |
| Tegan Hair Salon Limited | Other services | 2004 |
| TEJ Civil Engineering Limited | Administrative & support | 2014 |
| TEJ Services Ltd | Information & communication | 2025 |
| Teja Capital Ltd | Real estate | 2019 |
| Teja Leisure Group Ltd | Hospitality | 2024 |
| Teja Properties Limited | Extraterritorial | 2016 |
| Tejdarshan Leisure Ltd | Arts & recreation | 2017 |
| Tejik Associates Ltd | Financial services | 2019 |
| Teju Marketing Ltd | Professional & scientific | 2025 |
| Tejwaal Ltd | Wholesale & retail | 2024 |
| TEK Express Beeston Ltd | Wholesale & retail | 2024 |
| Tekblocks Limited | Information & communication | 2023 |