| Company | Timeline | Status | |
| GGS (Lancashire) Limited Director • Director | 31 May 2019←6 Years→Current | Active | |
| Ground-Gas Solutions (Scotland) Limited Director • Geologist | 19 Aug 2013←12 Years→Current | Active | |
| CGD Technology Limited Director • Geologist | 25 Jan 2012←13 Years→Current | Active | |
| Pythia Limited Director • Geologist | 24 Jan 2012←13 Years→Current | Active | |
| Ground-Gas Solutions Limited Director • Geologist | 10 Mar 2009←16 Years→Current | Active | |
| Sandown Terrace Management Company Limited Director • Geologist | 7 Apr 1995←12 Years→12 Jul 2007 | Active | |
