| Company | Timeline | Status | |
| Autoquench Limited Secretary • Unreported | 6 Apr 2001←24 Years→Current | Active | |
| Integrated Engineering Systems Limited Secretary • Unreported | 17 Jul 1991←34 Years→Current | Active | |
| Integrated Engineering Systems Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
