| Company | Timeline | Status | |
| Petroleum International Training And Consultancy Limited Director • Retired | 31 Mar 1989←36 Years→Current | Active | |
| Petroleum International Training And Consultancy Limited Secretary • Unreported | 31 Mar 1989←36 Years→Current | Active | |
Edinburgh Petroleum Equipment Limited Director • University Lecturer | 1 Jul 1988←2 Years 1 Month→15 Aug 1990 | Dissolved | |
Edinburgh Petroleum Services Limited Director • University Lecturer | 1 Jul 1988←2 Years 1 Month→15 Aug 1990 | Dissolved | |
