| Company | Timeline | Status | |
| Sports Ground Irrigation Limited Director • Unreported | 1 Jul 1997←4 Years→19 Mar 2002 | Active | |
| Bulk Minerals Limited Director • Commercial Manager | 14 Jan 1992←1 Year 6 Months→20 Jul 1993 | Active | |
| Carnegie Consultancy Limited Director • Consultant | 12 Jan 1992←34 Years→Current | Active | |
| Carnegie Consultancy Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Bulk Minerals Limited Director • Unreported | 1 Jan 1970←23 Years→20 Jul 1993 | Active | |
