| Company | Timeline | Status | |
| 1 Regent Square Freehold Limited Director • Architect | 28 Oct 2010←5 Years→19 Oct 2016 | Active | |
| S H Architects Limited Director • Unreported | 3 May 2005←20 Years→Current | Active | |
| S.H. ARTS Limited Director • Unreported | 21 Apr 1999←26 Years→Current | Active | |
