| Company | Timeline | Status | |
| Control Dynamics Limited Secretary • Unreported | 28 Sep 1993←27 Years→8 Dec 2020 | Dissolved | |
| Martelec Limited Secretary • Unreported | 7 May 1991←29 Years→27 Apr 2021 | Dissolved | |
| Martelec Limited Director • Secretary | 7 May 1991←29 Years→27 Apr 2021 | Dissolved | |
