| Company | Timeline | Status | |
| Photon Energy Limited Director • Engineer | 29 Dec 2006←18 Years→Current | Active | |
| Photon Energy Limited Director • Engineer | 29 Dec 2006←18 Years→1 Oct 2025 | Active | |
| I.T. Power Limited Director • Consultant | 11 Sep 2003←3 Years→8 Jan 2007 | Dissolved | |
Sustainable Energy Installations Ltd Director • Engineer | 5 Aug 2002←4 Years→8 Jan 2007 | Dissolved | |
