| Company | Timeline | Status | |
| Quantum Air Technology Limited Director • Director | 12 Jun 2001←14 Years→1 Aug 2015 | Active | |
Dawson Design Services Limited Director • Design Draughtsman | 4 Aug 1992←22 Years→17 Mar 2015 | Dissolved | |
Dawson Design Services Limited Secretary • Unreported | 4 Aug 1992←3 Years→30 Apr 1996 | Dissolved | |
