| Company | Timeline | Status | |
| Geo Technologies Limited Director • Technician | 9 Sep 2007←18 Years→Current | Active | |
| Geo Technologies Limited Secretary • Technician | 1 Oct 2005←3 Years→31 Dec 2008 | Active | |
| Geolabs Ltd Secretary • Retired | 31 Mar 2001←24 Years→Current | Active | |
| Geotechnical & Environmental Services Limited Secretary • Unreported | 20 Mar 2001←24 Years→Current | Active | |
