| Company | Timeline | Status | |
| Controlled Variable Buoyancy Systems Limited Director • Company Director | 16 Jun 1997←4 Years→27 Feb 2002 | Dissolved | |
| Prosyst Limited Secretary • Unreported | 21 Mar 1994←2 Years 12 Months→18 Mar 1997 | Dissolved | |
| Prosyst Limited Director • Manager | 21 Mar 1994←7 Years→9 Nov 2001 | Dissolved | |
