| Company | Timeline | Status | |
| Crown Service Gliding Club Director • Unreported | 3 May 2022←3 Years→Current | Active | |
| Crown Service Gliding Club Director • Retired | 14 May 2012←6 Years→30 Apr 2019 | Active | |
| SRC (Consultants) Limited Director • Reliability Consultant | 2 Nov 1992←1 Year 4 Months→9 Mar 1994 | Dissolved | |
| Safety And Reliability Consultants Limited Director • Reliability Consultant | 15 Nov 1991←1 Year 12 Months→12 Nov 1993 | Dissolved | |
