| Company | Timeline | Status | |
| Freehand Developments Ltd Director • Architect | 16 Jan 2014←11 Years→Current | Active | |
CJC Studio Ltd Director • Architect | 27 Apr 2012←7 Years→18 Jun 2019 | Dissolved | |
| 7T Limited Director • Architect | 14 Sep 2004←21 Years→Current | Active | |
| Melon Studio Limited Director • Architect | 27 Jul 1998←8 Years→29 Aug 2006 | Active | |
