| Company | Timeline | Status | |
| Reservoir Imaging Limited Director • Director | 30 Sep 2019←2 Years 6 Months→31 Mar 2022 | Liquidation | |
| Geophysical Consultants Limited Director • Director | 17 Sep 2019←2 Years 6 Months→31 Mar 2022 | Dissolved | |
| Tetra Tech RPS Energy Consultants Limited Director • Director | 3 Apr 2019←2 Years 12 Months→31 Mar 2022 | Active | |
| Tetra Tech RPS Energy Limited Director • Director | 2 Apr 2019←2 Years 12 Months→31 Mar 2022 | Active | |
| Tetra Tech RPS Energy Consultants Limited Director • Director | 7 Aug 2017←10 Months→2 Jul 2018 | Active | |
| Tetra Tech RPS Energy Limited Director • Director | 7 Aug 2017←10 Months→2 Jul 2018 | Active | |
| Geocon Group Services Limited Director • Unreported | 28 Jan 1999←10 Years→15 Jun 2009 | Dissolved | |
| Geophysical Consultants Limited Director • Director | 28 Jan 1999←19 Years→2 Jul 2018 | Dissolved | |
| Geocon Group Services Limited Secretary • Unreported | 21 Jan 1997←10 Years→28 Mar 2007 | Dissolved | |
| Geophysical Consultants Limited Secretary • Financial Controller | 21 Jan 1997←10 Years→28 Mar 2007 | Dissolved | |
