| Company | Timeline | Status | |
| Airborne Systems Pension Trust Limited Director • Company Director | 4 Nov 1993←3 Years→28 Feb 1997 | Active | |
| Irvingq Limited Director • Technical Overseas Operations | 20 Jul 1991←7 Years→22 Sep 1998 | Active | |
| Aircraft Materials Limited Director • Technical Director | 10 May 1991←7 Years→22 Sep 1998 | Active | |
| Aircraft Materials Limited Director • Unreported | 1 Jan 1970←28 Years→22 Sep 1998 | Active | |
