| Company | Timeline | Status | |
| Dittrich Hudson Architects Limited Director • Architect  | 18 Mar 2010←15 Years→Current  | Active  | |
| 3 Warwick Road, (Redland) Management Co. Limited Secretary • Architect  | 10 Nov 2005←6 Years→31 Oct 2012  | Active  | |
| 3 Warwick Road, (Redland) Management Co. Limited Director • Architect  | 10 Nov 2005←6 Years→31 Oct 2012  | Active  | |
