| Company | Timeline | Status | |
Wattchmate Limited Director • Ch Eng | 9 Mar 2007←8 Years→27 Oct 2015 | Dissolved | |
| Ullatronics Ltd Director • Unreported | 23 Dec 2003←22 Years→Current | Active | |
| Ullatronics Ltd Director • Consultant | 29 Dec 1995←7 Years→29 Jan 2003 | Active | |
