| Company | Timeline | Status | |
| Palmer Energy Technology Limited Director • Consultant | 28 Aug 2025←3 Months→Current | Active | |
| Kensa Group Limited Director • Non-executive Director | 1 Sep 2020←5 Years→Current | Active | |
| Brill Power Limited Director • Consultant | 6 Sep 2018←6 Years→28 Aug 2025 | Active | |
| Midlands Wood Fuel Limited Director • Managing Director | 30 Mar 2007←4 Years→25 Jan 2012 | Dissolved | |
| The Association For Renewable Energy And Clean Technology Director • Director | 20 Sep 2006←7 Years→11 Apr 2014 | Active | |
Econergy Limited Director • Managing Director | 22 Feb 2006←7 Years→21 Oct 2013 | Dissolved | |
| CM Energy Limited Director • Director | 19 Aug 2005←17 Years→13 Jun 2023 | Dissolved | |
| R.E.X. Software Limited Director • General Manager | 1 Sep 2000←3 Years→30 Apr 2004 | Dissolved | |
