| Company | Timeline | Status | |
| Etps Limited Secretary • Company Director | 11 Dec 2008←16 Years→Current | Active | |
Advanced Conversion Technologies Limited Secretary • Director | 1 Nov 2008←10 Years→25 Jun 2019 | Dissolved | |
Advanced Charger Technology Limited Secretary • Director | 23 Oct 2008←10 Years→4 Jun 2019 | Dissolved | |
| Et Power Supplies Limited Secretary • Director | 23 Oct 2008←17 Years→Current | Active | |
| E T Power Systems Limited Secretary • Director | 23 Oct 2008←17 Years→Current | Active | |
Advanced Conversion Technologies Limited Director • Director | 12 Apr 2006←13 Years→25 Jun 2019 | Dissolved | |
Advanced Charger Technology Limited Director • Director | 7 Mar 2005←14 Years→4 Jun 2019 | Dissolved | |
| Et Power Supplies Limited Director • Managing Director | 22 Sep 2003←22 Years→Current | Active | |
| Eyam Museum Limited Director • Managing Director | 18 Jan 2001←7 Years→15 May 2008 | Active | |
| Etps Limited Director • Managing Director | 19 Feb 1999←26 Years→Current | Active | |
