| Company | Timeline | Status | |
| Etps Employee Trust Limited Director • Company Director | 17 Jun 2024←1 Year 6 Months→Current | Active | |
| Etps Holdings Limited Director • Director | 26 Jun 2019←6 Years→Current | Active | |
| Etps Limited Director • Director | 2 Jan 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 • Director | 22 Sep 2003←22 Years→Current | Active | |
