| Company | Timeline | Status | |
| Diatron Limited Director • Managing Director | 3 Mar 2005←17 Years→14 Jun 2022 | Dissolved | |
| Richmond Electronic Services Limited Secretary • Unreported | 7 Oct 1997←10 Years→3 Sep 2008 | Dissolved | |
| Diatron Assembly Systems Limited Director • Managing Director | 12 Dec 1991←34 Years→Current | Active | |
