| Company | Timeline | Status | |
| D Impact Ltd Director • Architect | 24 Jun 2008←2 Years 5 Months→14 Dec 2010 | Active | |
| Environment Trust Director • Architect | 19 Jun 2008←1 Year 11 Months→10 Jun 2010 | Dissolved | |
| 10 Riverdale Road Ltd Secretary • Architect | 16 Jul 2003←4 Years→8 Jan 2008 | Active | |
| 10 Riverdale Road Ltd Director • Architect | 10 Aug 1999←8 Years→28 Sep 2007 | Active | |
| Integer Intelligent & Green Ltd Director • Architect | 23 Apr 1998←13 Years→18 Apr 2012 | Active | |
