| Company | Timeline | Status | |
| Highfield House Management Co. Limited Secretary • Director | 24 Jul 2006←7 Years→1 Jun 2014 | Active | |
| Highfield House Management Co. Limited Director • Director | 9 Nov 2002←11 Years→1 Jun 2014 | Active | |
| Q.E.S. Limited Director • Chartered Engineer | 6 Nov 1991←19 Years→1 Aug 2011 | Active | |
