| Company | Timeline | Status | |
| RJ Ground Engineering Ltd Director • Unreported | 21 Nov 2022←3 Years→Current | Active | |
| HB Geotechnical Engineering Ltd Director • Unreported | 3 Oct 2022←3 Years→Current | Active | |
| AST Equity Limited Director • Engineering Consultant | 30 Sep 2022←3 Years→Current | Active | |
| HB Geotechnical Services Ltd Director • Unreported | 14 Oct 2019←6 Years→Current | Active | |
