| Company | Timeline | Status | |
| Pka A Holdings Limited Director • Architect | 13 Apr 2017←8 Years→Current | Active | |
| Pka Architects Ltd Director • Architect | 10 Jul 2013←12 Years→Current | Active | |
| Hope Barton Owners Association Limited Director • Architect | 26 Apr 2009←4 Years→28 Apr 2013 | Active | |
