| Company | Timeline | Status | |
| Haven Power Nominees Limited Director • None | 20 Aug 2010←6 Years→9 Sep 2016 | Active | |
| Drax Energy Solutions Limited Director • Director | 2 Aug 2006←10 Years→9 Sep 2016 | Active | |
| Sohn Associates Limited Director • Consultant | 4 May 2004←2 Years 7 Months→6 Dec 2006 | Dissolved | |
| Environmental Efficiency Limited Director • Consultant | 23 Mar 2004←11 Months→3 Mar 2005 | Active | |
