| Company | Timeline | Status | |
| Specialist Data Holdings Limited Director • Director | 15 Aug 2013←12 Years→Current | Active | |
| Specialist Data Software Limited Director • Managing Director | 6 Aug 1996←29 Years→Current | Active | |
| Specialist Data Solutions Ltd Director • Managing Director | 16 Aug 1991←34 Years→Current | Active | |
| Specialist Data Solutions Ltd Secretary • Unreported | 16 Aug 1991←8 Months→28 Apr 1992 | Active | |
