| Company | Timeline | Status | |
Thompson Associates Limited Director • Expert Witness & Consultant | 31 Oct 2000←18 Years→24 Sep 2019 | Dissolved | |
| Johnson Matthey Davy Technologies Limited Director • Company Director-engineer | 7 Jul 1991←17 Days→24 Jul 1991 | Active | |
| Johnson Matthey Davy Technologies International Limited Director • Company Director - Engineer | 7 Jul 1991←17 Days→24 Jul 1991 | Dissolved | |
| Johnson Matthey Davy Technologies International Limited Director • Unreported | 1 Jan 1970←21 Years→24 Jul 1991 | Dissolved | |
