| Company | Timeline | Status | |
| Kingsbury Flats Management Company Limited Director • Architectural Director | 5 Oct 2006←6 Years→22 Oct 2012 | Active | |
| Holwest Limited Secretary • Architectural Designer | 30 Apr 1994←18 Years→1 Dec 2012 | Active | |
| Holwest Limited Director • Architectural Designer | 6 Jul 1993←19 Years→17 May 2013 | Active | |
