| Taylored by Art Ltd | Professional & scientific | 2019 |
| TBP Dentl Ltd | Health & social care | 2025 |
| TBS Care Limited | Administrative & support | 2018 |
| TCB Investment Properties Ltd | Real estate | 2001 |
| Tcbolts Ltd | Construction | 2020 |
| TCF Tech Consultancy Ltd | Information & communication | 2023 |
| Tcpa Ltd | Financial services | 2026 |
| TD Garage Ltd | Wholesale & retail | 2024 |
| TDC (Wrexham) Limited | Manufacturing | 2016 |
| Tdkp Bidco Limited | Administrative & support | 2018 |
| Tdkp Limited | Real estate | 2006 |
| Tdkp Midco Limited | Administrative & support | 2018 |
| Tdkp Topco Limited | Administrative & support | 2018 |
| TDR Sports Limited | Education | 2026 |
| Teach Active Limited | Education | 2014 |
| Teach Match Recruitment Limited | Administrative & support | 2024 |
| Team Knowledge Limited | Information & communication | 2002 |
| TEAMS4U the Charity | Health & social care | 2006 |
| TEC HUT Itad Limited | Wholesale & retail | 2022 |
| TEC HUT Ltd | Other services | 2019 |
| Tech Intelligence Ltd | Wholesale & retail | 2026 |
| Tech Property Limited | Real estate | 2023 |
| Tech Wipeout Ltd | Information & communication | 2026 |
| Techlab Services Ltd | Manufacturing | 2016 |
| Technochip Computers Ltd | Information & communication | 2013 |
| Techsture Limited | Professional & scientific | 2023 |
| Tees Valley Catalyst Fund L.P. | | 2013 |
| Tegfan Consultancy Ltd | Professional & scientific | 2019 |
| Tegla Furniture Company Limited | Manufacturing | 2017 |
| Tegla Holdings Limited | Real estate | 2003 |
| Teknos Trading Ltd | Wholesale & retail | 2024 |
| Tekworld Limited | Information & communication | 2012 |
| Telecom Towers Ltd | Information & communication | 2021 |
| Telphasa Limited | Information & communication | 2002 |
| Temple Life Ltd | Health & social care | 2025 |
| Tenderwrite Ltd | Administrative & support | 2014 |
| Tenrecs Software Ltd | Information & communication | 2024 |
| Tension Control Bolts Limited | Manufacturing | 1984 |
| TER Consultancy Limited | Financial services | 2010 |
| Tercero Limited | Real estate | 2023 |
| Terrace Property Limited | Real estate | 2009 |
| Terranco Investment Company Limited | Hospitality | 1993 |
| Terrier Tools Limited | Manufacturing | 1986 |
| TES Holdings (Wrexham) Limited | Water & waste | 2018 |
| TET Operational Consulting Limited | Professional & scientific | 2024 |
| Tfif LP | | 2024 |
| TFS Tyres Limited | Wholesale & retail | 2017 |
| TGP Commercial & Business Finance Ltd | Financial services | 2025 |
| TGP Mortgage & Insurance Brokers Ltd | Financial services | 2019 |
| Thai by Thai 2 Ltd | Hospitality | 2026 |
| Thai by Thai Home Ltd | Real estate | 2026 |
| Thai by Thai Ltd | Hospitality | 2022 |
| Thaidine Ltd | Hospitality | 2022 |
| THE Academy of Ambition Ltd | Education | 2026 |
| THE Academy of Care Practitioners Ltd | Other services | 2015 |
| THE Academy of Registered Care Practitioners Limited | Extraterritorial | 2001 |
| THE Admin Group Limited | Administrative & support | 2021 |
| THE Adventure Warehouse Ltd | Wholesale & retail | 2015 |
| THE Bark Squad Limited | Other services | 2024 |
| THE Blinds Warehouse Limited | Wholesale & retail | 2020 |
| THE Bold Type Training & Consultancy Limited | Administrative & support | 2018 |
| THE Break Creative Ltd. | Professional & scientific | 2023 |
| THE Bridge (Wrexham) Management Company Limited | Real estate | 2010 |
| THE Brow Agency Ltd | Wholesale & retail | 2021 |
| THE Bunkum TAP Limited | Hospitality | 2026 |
| THE Care Connector Network Ltd | Other services | 2021 |
| THE Cefn Club Ltd | Hospitality | 2025 |
| THE Centre of Rehabilitation Excellence Limited | Education | 2021 |
| THE Chartered Physiotherapy Clinic Limited | Health & social care | 1998 |
| THE Chauffeur Specialist Ltd. | Transport & logistics | 2024 |
| THE Cloud 9 for Life Group Ltd | Real estate | 2022 |
| THE Club at Foxtail Limited | Hospitality | 2023 |
| THE Code of Good Shooting Practice Limited | Agriculture & fishing | 2005 |
| THE Coder Connection Ltd | Professional & scientific | 2025 |
| THE Community Wellness Company C.I.C. | Health & social care | 2021 |
| THE Community Wellness LAB Ltd | Professional & scientific | 2021 |
| THE Cons Club Ltd | Hospitality | 2025 |
| THE Courtyard Management Company (Norbury Barns) Limited | Households | 2025 |
| THE Crescent Chippy Ltd | Hospitality | 2025 |
| THE Crown Inn (Wrex) Ltd | Hospitality | 2025 |
| THE Crown Inn (Wrex-Holdings) Ltd | Financial services | 2025 |
| THE Crown Inn (Wrexham) Ltd | Hospitality | 2025 |
| THE Crown Malpas Ltd | Hospitality | 2017 |
| THE DCC Corporation Limited | Other services | 2025 |
| THE Diamond Metal Finishing Company Limited | Manufacturing | 1945 |
| THE Dog and Pickle Wrexham Ltd | Hospitality | 2024 |
| THE Dolly TUB (WXM) Limited | Other services | 2015 |
| THE Drawing Board (Wrexham) C.I.C. | Education | 2020 |
| THE Drunk Monk Limited | Hospitality | 2021 |
| THE Education Crowd Holdings Ltd | Financial services | 2025 |
| THE Education Crowd Ltd | Financial services | 2019 |
| THE Education Marketplace Limited | Information & communication | 2023 |
| THE Elevate Group Holdings Ltd | Financial services | 2023 |
| THE Engine Works Ltd | Arts & recreation | 2023 |
| THE Eventus Recruitment Group Ltd | Administrative & support | 2010 |
| THE Fantasy House Limited | Wholesale & retail | 2008 |
| THE Fashion Circle Ltd | Information & communication | 2022 |
| THE Fifth Stone Ltd | Real estate | 2025 |
| THE Flynn Dynasty Limited | Arts & recreation | 2014 |
| THE Four Birds Management Company Ltd | Households | 2021 |