| Company | Timeline | Status | |
| Etc Environmental Trading Company Director • Architect | 27 Sep 1991←34 Years→Current | Active | |
| Etc Environmental Trading Company Secretary • Unreported | 27 Sep 1991←34 Years→Current | Active | |
| E.T.C. Services Limited Secretary • Unreported | 3 Sep 1991←34 Years→Current | Active | |
| E.T.C. Services Limited Director • Architect | 3 Sep 1991←17 Years→31 May 2009 | Active | |
