| Techoffice Consultants Ltd | Information & communication | 2022 |
| Techoo Retail Limited | Wholesale & retail | 2018 |
| Techpath Education Ltd | Information & communication | 2026 |
| Techsilver Ltd | Information & communication | 2014 |
| Techsky Properties Ltd | Real estate | 2025 |
| Techsnova Ltd | Information & communication | 2018 |
| Techsock Services Ltd | Manufacturing | 2021 |
| Techsoul Solutions Ltd | Information & communication | 2023 |
| Techthread Consulting Ltd | Information & communication | 2016 |
| Techton Iretail Ltd | Construction | 2022 |
| Techy's World Ltd | Information & communication | 2023 |
| Techzone Pro Ltd | Wholesale & retail | 2023 |
| Tecip Investments Limited | Financial services | 2019 |
| Tecnos Holdings Limited | Financial services | 1999 |
| Tecnos Limited | Real estate | 1991 |
| Tecquipment Holdings Limited | Professional & scientific | 2011 |
| Tecquipment Limited | Professional & scientific | 2008 |
| Tecquipment Trustees Limited | Administrative & support | 2021 |
| Tecro Limited | Health & social care | 2019 |
| Tecserv EOT Limited | Financial services | 2022 |
| Tecserv Holdings Limited | Administrative & support | 2019 |
| Tecserv UK Limited | Administrative & support | 2001 |
| Tecsmart Solutions Ltd | Wholesale & retail | 2016 |
| Tectona Ltd | Financial services | 2020 |
| TED Coastal Lettings Ltd | Hospitality | 2020 |
| TED Invest Ltd | Real estate | 2026 |
| TED V Ltd | Transport & logistics | 2022 |
| Teddi Ltd | Construction | 2004 |
| Teddy N Daisy's Day Nursery Limited | Other services | 2004 |
| Tedi Bridges Limited | Education | 2022 |
| Tee'Amo Concept Ltd | Wholesale & retail | 2025 |
| Tee's Removals Limited | Transport & logistics | 2019 |
| Tee-Rox Mots Ltd | Wholesale & retail | 2026 |
| Teeduptech Ltd | Information & communication | 2026 |
| Teen Support Services Limited | Health & social care | 2013 |
| Teenagers Support Service UK Ltd | Health & social care | 2014 |
| Teenbhai Holdings Ltd | Professional & scientific | 2017 |
| Tee’S Transport Solutions Limited | Transport & logistics | 2026 |
| Tefr Ltd | Administrative & support | 2025 |
| Tegerdine Law Limited | Professional & scientific | 2018 |
| Tehila FN Ltd | Information & communication | 2015 |
| Teignmouth Short Stays Limited | Real estate | 2023 |
| Tejori ABC Ltd | Professional & scientific | 2023 |
| TEK Light Ltd | Information & communication | 2018 |
| TEK Recycled Ltd | Information & communication | 2024 |
| TEK Troniks Limited | Manufacturing | 1993 |
| Tekari Limited | Wholesale & retail | 2025 |
| Tekers Pro Ltd | Wholesale & retail | 2025 |
| Tekidan Ltd | Manufacturing | 2015 |
| Tekkers Media Limited | Professional & scientific | 2022 |
| Tekled UK Ltd | Wholesale & retail | 2020 |
| Teknowhow Limited | Education | 2018 |
| TEKO23 Ltd | Transport & logistics | 2025 |
| Tekron Limited | Professional & scientific | 2005 |
| Tektick Limited | Information & communication | 2018 |
| Tekton IT Solutions Ltd | Information & communication | 2011 |
| TEL Projects Ltd | Construction | 2015 |
| Telar Developement Limited | Real estate | 2024 |
| Telassim Limited | Information & communication | 2009 |
| Telbrook Limited | Extraterritorial | 2018 |
| Telcoplex Ltd | Information & communication | 2016 |
| Tele Fish Ltd | Information & communication | 2022 |
| Telecom Connections Limited | Manufacturing | 1986 |
| Telecom Solutions(Gb) Limited | Information & communication | 2012 |
| Telekom Limited | Information & communication | 2022 |
| Telemarketing 4U Limited | Professional & scientific | 2011 |
| Telematique Limited | Information & communication | 2008 |
| Telemed Healthcare Solutions Limited | Professional & scientific | 2025 |
| Teli Traders Ltd | Wholesale & retail | 2023 |
| Tella Studio Limited | Wholesale & retail | 2021 |
| Telli Property Investment Limited | Real estate | 2026 |
| Tellus Engineering Ltd | Professional & scientific | 2022 |
| Teluma.Md Limited | Wholesale & retail | 2025 |
| Temida Taxation Ltd | Professional & scientific | 2020 |
| Temik Limited | Information & communication | 2015 |
| Temmycoms Ltd | Information & communication | 2019 |
| Temola Ltd | Wholesale & retail | 2022 |
| Temperis Ltd | Professional & scientific | 2025 |
| Tempest Bidco Limited | Financial services | 2025 |
| Tempest Topco Limited | Financial services | 2025 |
| Templariusz Property Ltd | Real estate | 2023 |
| Temple of Heaven Ltd | Hospitality | 2017 |
| Temple Printing (Nottingham) Limited | Manufacturing | 1948 |
| Temple Sowerby Ltd | Transport & logistics | 2022 |
| Templewood Joinery & Construction Ltd | Construction | 2021 |
| Tempo Kalis Limited | Wholesale & retail | 2025 |
| Tempo Limited | Professional & scientific | 2020 |
| Temporem Limited | Professional & scientific | 2025 |
| Temptatitions Nottingham Limited | Hospitality | 2019 |
| Tempus ER Ltd | Information & communication | 2021 |
| Tempus Property Investments Limited | Real estate | 2010 |
| Tempus Task Limited | Administrative & support | 2023 |
| TEN Albemarle Limited Liability Partnership | | 2004 |
| TEN Construction Solutions Limited | Professional & scientific | 2019 |
| TEN Elms Ltd | Administrative & support | 2019 |
| TEN Pines Energy Limited | Financial services | 2024 |
| TEN Pounds Ltd | Wholesale & retail | 2025 |
| TEN Thanks Limited | Hospitality | 2026 |
| TEN Three Property Limited | Real estate | 2015 |
| TEN Wealth Management Limited | Financial services | 2009 |