| Company | Timeline | Status | |
| Loudon Muir Wood Limited Director • Chief Research Officer | 19 Jan 2012←9 Years→11 Jan 2022 | Dissolved | |
| Risk Management Solutions Limited Director • Technical Director | 6 Dec 1999←17 Years→27 Feb 2017 | Active | |
| Scientific Exploration Society (The) Director • Earthquake Consultant | 28 Jun 1991←1 Year→30 Jun 1992 | Active | |
