| Company | Timeline | Status | |
| Hazlex Ltd Director • Geoenvironmental Engineer | 17 Dec 2019←5 Years→6 May 2025 | Dissolved | |
| Integrale Limited Director • Director | 28 Feb 2018←1 Year 7 Months→8 Oct 2019 | Active | |
| Charterhouse Caving Company Limited Director • Geologist | 9 Sep 2003←5 Years→4 Apr 2009 | Active | |
