| Company | Timeline | Status | |
| Elmhurst Energy Systems Limited Director • Company Director | 6 May 1993←10 Years→9 Apr 2004 | Active | |
| Elmhurst Energy Systems Limited Secretary • Company Director | 6 May 1993←7 Years→16 Dec 2000 | Active | |
| Sealability Limited Director • Management Consultant | 25 Nov 1991←5 Years→25 Nov 1996 | Active | |
| Sealability Limited Secretary • Unreported | 25 Nov 1991←5 Years→25 Nov 1996 | Active | |
