| Company | Timeline | Status | |
| T.E.S.A. Electrical Services Limited Director • Consultant Engineer | 16 Oct 2006←5 Years→31 May 2012 | Active | |
| T.E.S.A. Hvac Limited Director • Unreported | 17 Aug 2005←20 Years→Current | Active | |
| T.E.S.A. (Western) Limited Secretary • Company Secretary | 27 Apr 1997←28 Years→Current | Active | |
| T.E.S.A. (Western) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
