| Company | Timeline | Status | |
| Introdome Limited Director • Typesetter | 18 Mar 1997←8 Years→19 Dec 2005 | Active | |
| Discript Limited Secretary • Typesetter | 31 Aug 1991←34 Years→Current | Active | |
| Discript Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
