| Company | Timeline | Status | |
| Software Validation Limited Director • Director | 9 May 2012←13 Years→Current | Active | |
| Simcon Limited Director • Educational Psychologist | 27 Mar 2003←22 Years→Current | Active | |
| Simcon Limited Secretary • Unreported | 27 Mar 2003←22 Years→Current | Active | |
| Software Validation Limited Secretary • Unreported | 17 Oct 1997←28 Years→Current | Active | |
