| Company | Timeline | Status | |
| Wyvern Management (Plot 4000) Limited Secretary • Secretary | 30 Jun 2008←17 Years→Current | Active | |
| Wyvern Management (Plot 4000) Limited Director • Unreported | 1 Dec 2001←24 Years→Current | Active | |
| Wyvern Management (Plot 3000) Limited Director • Unreported | 23 Nov 1999←26 Years→Current | Active | |
| Wyvern Management (Phase I) Limited Director • Unreported | 9 Jan 1997←29 Years→Current | Active | |
| Derby Aluminium Company Limited Director • Unreported | 1 Jan 1995←31 Years→Current | Active | |
| Tamwalt Limited Director • Retired | 16 Jan 1992←34 Years→Current | Active | |
| Derby Aluminium Company Limited Secretary • Unreported | 31 Dec 1991←34 Years→Current | Active | |
