| Company | Timeline | Status | |
| Holt Energy Advisors Ltd Director • Director | 1 Oct 2022←3 Years→Current | Active | |
| Holmes Resources Limited Director • Managing Director | 9 Apr 2015←10 Years→Current | Active | |
| Oil & Gas Independents' Association Limited Director • Commercial Manager | 24 Sep 2009←14 Years→24 Oct 2023 | Dissolved | |
