| Company | Timeline | Status | |
| Energy Transition Solutions Limited Director • Geophysicist | 24 Apr 2025←7 Months→Current | Active | |
| The Scottish Energy Forum Director • University Professor | 1 Dec 2012←13 Years→Current | Active | |
| PGS Em Limited Director • Professor | 3 Sep 2003←3 Years→29 Jun 2007 | Dissolved | |
| Edinburgh Geophysical Limited Director • Geophysicist | 30 Sep 1998←27 Years→Current | Active | |
