| Company | Timeline | Status | |
| Smith Design Associates Limited Secretary • Unreported | 22 Nov 1994←8 Years→15 Sep 2003 | Active | |
| The Planning Exchange Foundation Director • Architect | 28 Dec 1988←3 Years→5 Nov 1992 | Active | |
| The Planning Exchange Foundation Director • Unreported | 1 Jan 1970←22 Years→5 Nov 1992 | Active | |
