| Company | Timeline | Status | |
| St Aerospace Limited Director • Unreported | 14 Dec 2011←13 Years→Current | Active | |
| St Automotive Ceramic Limited Director • Unreported | 15 Jun 2009←16 Years→Current | Active | |
| St Defence Limited Director • Unreported | 15 Jun 2009←16 Years→Current | Active | |
| Surface Transforms Plc Director • Unreported | 12 Jan 2005←20 Years→Current | Active | |
