| Company | Timeline | Status | |
| Turbo Power Systems Limited Director • Director | 5 Sep 2005←3 Years→17 May 2009 | Active | |
| Intelligent Power Systems Limited Director • Director | 19 Oct 1998←10 Years→17 May 2009 | Dissolved | |
| Turbo Power Systems Development Limited Director • Director | 19 Oct 1998←2 Years 8 Months→9 Jul 2001 | Dissolved | |
| Nada-Tech Limited Director • Director | 19 Oct 1998←2 Years 8 Months→9 Jul 2001 | Dissolved | |
