| Company | Timeline | Status | |
| Golden Hill Garage Limited Secretary • Company Director | 3 Jun 2003←12 Years→3 Dec 2015 | Active | |
| Richter Limited Secretary • Unreported | 21 Feb 2003←10 Years→20 Feb 2013 | Active | |
| GRS Properties Limited Secretary • Unreported | 9 May 2002←14 Years→10 Aug 2016 | Active | |
