| Company | Timeline | Status | |
| Dart Energy (West England) Limited Director • - | 27 Feb 2011←3 Years→15 Oct 2014 | Active | |
| Dart Energy (East England) Limited Director • - | 27 Feb 2011←3 Years→15 Oct 2014 | Active | |
Dart Energy (Lothian) Limited Director • Chief Commercial Officer | 27 Feb 2011←3 Years→15 Oct 2014 | Dissolved | |
Dart Energy (Carbon Storage) Limited Director • Chief Commercial Officer | 27 Feb 2011←3 Years→15 Oct 2014 | Dissolved | |
| Igas Energy Production Limited Director • Chief Commercial Officer | 27 Feb 2011←3 Years→15 Oct 2014 | Active | |
| Dart Energy (Europe) Limited Director • Chief Commercial Officer | 27 Feb 2011←3 Years→15 Oct 2014 | Active | |
