| Company | Timeline | Status | |
| E-Resources For Learning Limited Director • Technical Director | 26 Mar 2007←4 Years→10 Jun 2011 | Dissolved | |
| Avsi Limited Director • Director | 25 Jun 1996←15 Years→1 Jun 2012 | Active | |
| Plaion Limited Director • Electronic Engineer | 6 Jul 1994←1 Year 5 Months→12 Dec 1995 | Active | |
