| Company | Timeline | Status | |
| Irvin Aerospace Limited Director • Director | 28 Aug 1992←2 Years 10 Months→18 Jul 1995 | Active | |
| Airborne Systems Pension Trust Limited Director • Finance Director | 28 Nov 1991←3 Years→18 Jul 1995 | Active | |
| Irvingq Limited Director • Managing Director | 20 Jul 1991←3 Years→18 Jul 1995 | Active | |
| Aircraft Materials Limited Director • Finance Director | 10 May 1991←4 Years→18 Jul 1995 | Active | |
| Aircraft Materials Limited Secretary • Unreported | 1 Jan 1970←23 Years→24 Nov 1993 | Active | |
