| Company | Timeline | Status | |
| Belcan International Limited Director • Engineer  | 13 Sep 1995←2 Years 4 Months→28 Jan 1998  | Active  | |
Inbis Technology Limited Director • Engineer  | 18 Feb 1993←9 Months→24 Nov 1993  | Dissolved  | |
| Airto Limited Director • Engineer  | 20 Dec 1992←11 Months→30 Nov 1993  | Active  | |
Advanced Technology Design Limited Director • Engineer  | 5 Oct 1991←2 Years 6 Months→8 Apr 1994  | Dissolved  | |
| Limchester Properties Limited Director • Aeronautical Engineer  | 18 Sep 1991←24 Years→15 Jul 2016  | Active  | |
