| Company | Timeline | Status | |
| Asba Architects Limited Director • Architect | 25 Apr 2002←4 Years→1 Dec 2006 | Dissolved | |
| Asba Architects Limited Secretary • Architect | 25 Apr 2002←4 Years→1 Dec 2006 | Dissolved | |
| David C. Smith Architects Limited Director • Architect | 29 Aug 1996←10 Years→8 May 2007 | Active | |
