| Company | Timeline | Status | |
| Infrastructure Management And Engineering Services Limited Secretary • Consultant | 30 Apr 2008←7 Years→5 May 2015 | Active | |
| Uob Engineering Services Limited Secretary • Consultant | 4 Sep 2007←3 Years→21 Sep 2010 | Active | |
| Uob Training Limited Secretary • Consultant | 4 Sep 2007←3 Years→21 Sep 2010 | Active | |
| Woodbrooke Properties Limited Secretary • Unreported | 9 Mar 2007←4 Years→31 Dec 2011 | Active | |
