| THE Organization of Renovation Supply and Maintenance of Hazrat Sakinehs Sacred Shrine Daughter of Amir Almomenin Ltd | Construction | 2023 |
| THE Smile Learning Trust | Education | 2013 |
| THE Visible Load Ltd | Information & communication | 2026 |
| Thegmgroup Ltd | Education | 2018 |
| Thirlestane Road Limited | Real estate | 2026 |
| This IS NT. Limited | Professional & scientific | 2014 |
| Thunderbird Contracting Ltd | Other services | 2018 |
| TJB Systems Consulting Limited | Professional & scientific | 2014 |
| TM2 Consultancy Limited | Professional & scientific | 2024 |
| TMC Support Ltd | Health & social care | 2026 |
| Toadpit Medical Services (Events) Ltd | Health & social care | 2020 |
| Toby Swallow Coaching Ltd | Administrative & support | 2024 |
| Total Sense Living Ltd | Administrative & support | 2023 |
| TSA Trading Limited | Wholesale & retail | 2023 |
| Ttadventures Ltd | Arts & recreation | 2018 |
| Turns Projects CIC | Arts & recreation | 2024 |
| Twijo Ltd | Other services | 2019 |
| UK Axion Ltd | Wholesale & retail | 2022 |
| Upper Deck Partners Limited | Professional & scientific | 2016 |
| Vales Estate Services Ltd | Professional & scientific | 2025 |
| Veracity Services Ltd | Other services | 2018 |
| Vines IP Holding Company Ltd | Financial services | 2025 |
| Vines IP Ltd | Professional & scientific | 2025 |
| Vines IP Vault Ltd | Administrative & support | 2025 |
| Wagback Limited | Construction | 2012 |
| WDS Medical Education Ltd | Health & social care | 2022 |
| West Hill Pre-School | Education | 2014 |
| Western Alliance Limited | Construction | 1997 |
| White Sail Developments Limited | Construction | 2019 |
| Whitepool Engineering Ltd | Extraterritorial | 2015 |
| Woodruff & Holmes Ltd | Manufacturing | 2023 |
| Work in Focus Limited | Professional & scientific | 2016 |
| Workwise Consulting Ltd | Information & communication | 2024 |
| WT Coastal Limited | Real estate | 2026 |
| XL Horticulture (Holdings) Limited | Financial services | 2018 |
| Xuan Yang YU Ltd | Hospitality | 2024 |
| Youfides International Trading Ltd | Wholesale & retail | 2023 |
| Zelix Ltd | Administrative & support | 2005 |