| Company | Timeline | Status | |
| Root-Power (South) Limited Director • Director | 15 Nov 2023←2 Years→Current | Active | |
| Root-Power (North) Limited Director • Director | 15 Nov 2023←2 Years→Current | Active | |
| Power-Zero Limited Director • Operations Director | 11 Feb 2022←3 Years→Current | Active | |
| Ylem Power Limited Director • Operations Director | 9 Apr 2019←6 Years→Current | Active | |
| Biogas Technology Limited Director • Operations Director | 27 Nov 2018←7 Years→Current | Active | |
Adamson Del 3 Limited Director • Company Director | 25 Jan 2008←11 Years→30 Apr 2019 | Dissolved | |
| Ylem Energy Limited Director • Operations Director | 17 Nov 2005←20 Years→Current | Active | |
| Viridis Energy (Norgen) Limited Director • Director | 1 Aug 2004←1 Year 8 Months→6 Apr 2006 | Active | |
