| Company | Timeline | Status | |
| Helionova Limited Director • Teacher | 20 Dec 1997←10 Years→20 Aug 2008 | Active | |
| Ultranova Limited Secretary • Unreported | 1 Jul 1995←17 Years→11 Mar 2013 | Dissolved | |
| Helionova Limited Secretary • University Student | 9 Feb 1995←13 Years→20 Aug 2008 | Active | |
