| Company | Timeline | Status | |
| Limestone Research & Consultancy Limited Secretary • Unreported | 25 Aug 2006←19 Years→Current | Active | |
| Limestone Research & Consultancy Limited Director • Company Secretary | 25 Aug 2006←19 Years→Current | Active | |
| Stuart Graham Technologies Limited Secretary • Management Accountant | 1 Jan 2002←6 Years→13 Oct 2008 | Active | |
