| Company | Timeline | Status | |
| Denyer House Management Limited Director • Engineer | 1 Jun 2010←4 Years→19 Aug 2014 | Active | |
| Dart Research Limited Director • Unreported | 9 Jan 2008←17 Years→Current | Active | |
| Kingswear Property Management Limited Secretary • Engineer | 26 Nov 2002←22 Years→Current | Active | |
| Kingswear Property Management Limited Director • Unreported | 26 Nov 2002←22 Years→Current | Active | |
