| Shifa Heal Limited | Health & social care | 2019 |
| Shropshire Property Ltd | Real estate | 2013 |
| Sixth Sense Hair & Beauty Limited | Other services | 2014 |
| Solihull Brickwork Limited | Construction | 2016 |
| ST. George's Cataract Service Ltd | Health & social care | 2013 |
| Stafford Vulcanising (WM) Limited | Manufacturing | 2021 |
| Stanborough Investments Limited | Real estate | 2022 |
| Staton Jowett Holdings Limited | Financial services | 2017 |
| Stop IT NOW! UK & Ireland Limited | Extraterritorial | 2001 |
| Swap Architects Ltd | Professional & scientific | 2017 |
| Swift Despatch Limited | Transport & logistics | 2008 |
| T & M Diagnostics Limited | Health & social care | 2018 |
| Taylors Design Interiors Limited | Administrative & support | 2017 |
| Tc's Bar Ltd | Hospitality | 2022 |
| Thames Valley PUB Company Limited | Hospitality | 2024 |
| THE Jones Dining Company Limited | Hospitality | 2018 |
| THE Lucy Faithfull Foundation | Information & communication | 1992 |
| THE Old Three Pigeons Ltd | Hospitality | 2014 |
| THE Racking Installation Company Limited | Manufacturing | 2004 |
| THE Willing Wire Company Limited | Manufacturing | 1986 |
| Tredragon Consultancy Limited | Professional & scientific | 2019 |
| Trelleborg Stanton Limited | Extraterritorial | 1980 |
| Ts&M Services Limited | Financial services | 2025 |
| Tsang (Holdings) Limited | Professional & scientific | 2014 |
| Turbine Dynamics Limited | Professional & scientific | 2007 |
| Walford High Speed Ltd | Manufacturing | 2011 |
| Westdale Products (Holdings) Limited | Financial services | 2012 |
| Westdale Products Limited | Professional & scientific | 1983 |
| WHCS12 Limited | Administrative & support | 2011 |
| Wilkinson & Wilkinson (Consulting Engineers) Ltd. | Professional & scientific | 1989 |
| William Rose Drain Services Ltd | Water & waste | 2014 |
| Williamdale Property Group Ltd. | Real estate | 1985 |
| Winch Products Limited | Manufacturing | 2022 |
| Woodmatech Limited | Real estate | 1998 |
| Woodville Polymer Engineering Limited | Extraterritorial | 1960 |
| Yasin Foods UK Limited | Hospitality | 2013 |
| YD2 Limited | Professional & scientific | 2016 |
| YEW Tree Homes Ltd | Construction | 2018 |
| Your Daily Bakery Ltd | Manufacturing | 2019 |