| Company | Timeline | Status | |
| Skarn Water Limited Director • Unreported | 1 Feb 2023←2 Years 9 Months→Current | Active | |
| Skarn Associates Limited Director • Unreported | 11 Aug 2016←9 Years→Current | Active | |
GFMS Mine Economics Limited Director • Mineral Economist | 3 Feb 2009←2 Years 6 Months→4 Aug 2011 | Dissolved | |
| Perro Tinto Limited Director • Unreported | 19 Aug 2005←20 Years→Current | Active | |
| Perro Tinto Limited Secretary • Director | 19 Aug 2005←20 Years→Current | Active | |
| Brook Hunt & Associates Limited Director • Geologist | 30 Nov 1999←5 Years→27 May 2005 | Active | |
