| Company | Timeline | Status | |
| Richmond Electronic Services Limited Secretary • Unreported | 3 Sep 2008←14 Years→7 Feb 2023 | Dissolved | |
| Richmond Electronic Services Limited Director • Director | 7 Oct 1997←25 Years→7 Feb 2023 | Dissolved | |
| Diatron Assembly Systems Limited Director • Technical Director | 12 Dec 1991←16 Years→3 Sep 2008 | Active | |
