| Company | Timeline | Status | |
| Cemtech Conferences Ltd Director • Director | 1 Oct 1993←32 Years→Current | Active | |
| Cemtech Conferences Ltd Secretary • Unreported | 20 Dec 1991←33 Years→Current | Active | |
| Tradeship Publications Limited Director • Director | 25 Sep 1991←34 Years→Current | Active | |
| Tradeship Publications Limited Secretary • Unreported | 25 Sep 1991←34 Years→Current | Active | |
