| Company | Timeline | Status | |
| Servio Limited Director • Engineer | 22 Feb 1995←7 Years→15 May 2002 | Active | |
| Servio Limited Secretary • Engineer | 22 Feb 1995←7 Years→25 Apr 2002 | Active | |
| Resource Environmental Services Limited Director • Director | 5 Oct 1992←4 Months→16 Feb 1993 | Liquidation | |
