| Company | Timeline | Status | |
| Biogas Optimisation UK Ltd Director • Company Director | 1 Dec 2010←13 Years→26 Dec 2023 | Dissolved | |
Frostmist Limited Director • Company Director | 4 May 1991←14 Years→30 Sep 2005 | Dissolved | |
Frostmist Limited Secretary • Unreported | 4 May 1991←12 Years→29 Feb 2004 | Dissolved | |
| Aec Projects Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Aec Projects Limited Secretary • Company Director | 1 Jan 1970←55 Years→Current | Active | |
