| THE Regenerative VET Limited | Professional & scientific | 2022 |
| THE Telford Inn Limited | Hospitality | 2007 |
| THE Three Eagles Llangollen Limited | Hospitality | 2018 |
| THE Towers Day Nursery Limited | Health & social care | 2007 |
| Think OLI Limited | Information & communication | 2011 |
| Thredstone 1 Ltd | Administrative & support | 2016 |
| TNR Coaching Limited | Arts & recreation | 2015 |
| TNR Food & Drink Ltd | Hospitality | 2020 |
| TNR Outdoors Ltd | Arts & recreation | 2019 |
| TNR Targets Ltd. | Arts & recreation | 2019 |
| TOM Consultants Ltd | Professional & scientific | 2022 |
| Top CUT Barber Llangollen Ltd | Other services | 2021 |
| Top CUT Llangollen Ltd | Other services | 2024 |
| Toucan Technical Services Limited | Professional & scientific | 2025 |
| Tower Farm Cottage (Llangollen) Ltd | Hospitality | 2025 |
| Tower Farm Holidays (Llangollen) Ltd | Hospitality | 2025 |
| Toybox Nurseries N W Ltd | Education | 2020 |
| Trek Twice Limited | Information & communication | 2021 |
| Turner & Company UK Limited | Information & communication | 2008 |
| TY Nook Limited | Wholesale & retail | 2018 |
| TYN DWR Hall Limited | Hospitality | 2016 |
| Udm-Management Ltd | Households | 2020 |
| Under the Owls Ltd | Hospitality | 2024 |
| Uproar Fireworks Limited | Arts & recreation | 2019 |
| Vale Chauffeurs Ltd | Transport & logistics | 2025 |
| Vallcom Limited | Wholesale & retail | 2025 |
| Vanity Bites Limited | Information & communication | 2014 |
| Virtual Balance Ltd | Professional & scientific | 2018 |
| Vision Portfolio Ltd | Construction | 2025 |
| Vivod Holdings Limited | Professional & scientific | 1979 |
| Watkin & Williams Limited | Wholesale & retail | 2002 |
| Watts Training & Education Ltd | Education | 2020 |
| Watts Transport & Distribution Ltd | Transport & logistics | 2014 |
| Wayla? TV Ltd | Information & communication | 2022 |
| Welsh DEE Partnership Limited | Arts & recreation | 2013 |
| WGR Outdoors Limited | Arts & recreation | 2025 |
| White Water Active Limited | Arts & recreation | 2013 |
| Whites CK Limited | Construction | 2026 |
| Wildwood Catering Ltd | Hospitality | 2021 |
| Williams EDM Limited | Professional & scientific | 2022 |
| Williams Plastering Solutions Ltd | Construction | 2022 |
| Wood Nymph Products L.P. | | 2017 |
| Wynstay Arms 1 Ltd | Hospitality | 2026 |
| Xtract Recycling Solutions Ltd | Professional & scientific | 2025 |
| Zelx Limited | Professional & scientific | 2024 |
| Zeynep Property Ltd | Real estate | 2024 |