| THE Stair Runner Company Ltd. | Construction | 2025 |
| Theoldbankdinaspowys Ltd | Other services | 2020 |
| TOM Swindell Pictures Limited | Professional & scientific | 2013 |
| Traffic Escort Group Ltd | Transport & logistics | 2017 |
| Twin Broadcast Services Limited | Information & communication | 2019 |
| Two Trips Limited | Professional & scientific | 2016 |
| UK Powerlifting United Ltd | Other services | 2023 |
| Ultimate Cleaners Service Ltd | Construction | 2022 |
| Unicorn Contractors Limited | Construction | 2002 |
| V&K Group Ltd | Transport & logistics | 2012 |
| Vale Swim School Ltd | Education | 2017 |
| Valley Developments (South Wales) Limited | Real estate | 2004 |
| Verico Consulting Ltd | Professional & scientific | 2022 |
| Viatech (UK) Limited | Information & communication | 1997 |
| Village Dine Ltd | Hospitality | 2025 |
| Weebeemedia Ltd | Information & communication | 2021 |
| White Gecko Events Ltd | Wholesale & retail | 2013 |
| Whitmore and Jackson Ltd | Hospitality | 2014 |
| Wildly Creative CIC | Education | 2024 |
| Willows Pitch Services Ltd | Administrative & support | 2022 |
| Wilton House Services Ltd | Real estate | 2009 |
| Wine Advert Ltd | Professional & scientific | 2023 |
| Wise Commercial Finance Limited | Financial services | 2026 |
| Wise Cooke Catering Ltd | Hospitality | 2025 |
| Wise Procurement Limited | Financial services | 2014 |
| Workplace Support Solutions Ltd | Administrative & support | 2025 |
| WOW Restaurant & Lounge Ltd. | Wholesale & retail | 2023 |
| Your Next Level Ltd | Education | 2022 |
| Zame Holdings Limited | Real estate | 2024 |
| Zenith Design & Build Ltd | Construction | 2013 |
| Zesty Blue Limited | Health & social care | 2012 |