| Company | Timeline | Status | |
| HSBS Limited Secretary • Diagonistic Engineer | 27 Jul 2009←4 Years→3 Jan 2014 | Active | |
| Architectural Developments International Limited Secretary • Diagnostic Engineer | 17 Apr 2009←4 Years→7 Jan 2014 | Active | |
| Architectural Developments & Investments Limited Secretary • Unreported | 1 Nov 2006←6 Years→1 Jan 2013 | Active | |
| Oakfield Residents Limited Secretary • Unreported | 22 Nov 2002←7 Years→10 Apr 2010 | Active | |
