| Company | Timeline | Status | |
| Geotechnika Ltd Director • Geotechnical Engineer | 21 Jun 2023←2 Years 4 Months→Current | Active | |
| Railcorp Ltd Director • Geotechnical Engineer | 28 Jul 2016←6 Years→20 Sep 2022 | Dissolved | |
Fir Tree Geotechnics Limited Director • Geotechnical Engineer | 21 Nov 2013←3 Years→25 Apr 2017 | Dissolved | |
