| Company | Timeline | Status | |
| Akousis Limited Director • Director | 15 May 2003←10 Months→19 Mar 2004 | Dissolved | |
| Gem Tec Security Systems Limited Director • Director | 21 Apr 1999←3 Years→30 Jul 2002 | Active | |
| Gem Tec Security Systems Limited Secretary • Director | 21 Apr 1999←3 Years→30 Jul 2002 | Active | |
