| Company | Timeline | Status | |
Eartheat Energy Ltd Director • Director | 31 May 2017←1 Year 5 Months→6 Nov 2018 | Dissolved | |
| Hex Energy Ltd Director • Director | 19 Feb 2015←10 Years→Current | Active | |
| Ground Source Innovation Ltd Director • Director | 30 Sep 2013←12 Years→Current | Active | |
| Ground Source Consult Ltd Director • Director | 19 Mar 2013←12 Years→Current | Active | |
Loopmaster (Europe) Limited Director • Director | 7 Jan 2005←9 Years→7 Aug 2014 | Dissolved | |
Loopmaster (Europe) Limited Secretary • Geothermal Coop Installation | 7 Jan 2005←9 Years→7 Aug 2014 | Dissolved | |
| Geothermal Supplies Limited Secretary • Equipment & Material Supplies | 7 Jan 2005←6 Years→4 Apr 2011 | Active | |
| Geothermal Supplies Limited Director • Equipment & Material Supplies | 7 Jan 2005←6 Years→4 Apr 2011 | Active | |
| Lionteam Limited Director • Drilling Engineer | 31 Dec 1990←4 Years→1 Mar 1995 | Active | |
