| Company | Timeline | Status | |
| Diagnosys UK Ltd Director • Programmer | 29 Apr 1999←26 Years→Current | Active | |
| Diagnosys UK Ltd Secretary • Programmer | 29 Apr 1999←26 Years→Current | Active | |
| Cambridge Research Systems Limited Director • Engineer | 17 Mar 1992←11 Years→7 Jul 2003 | Active | |
