| Company | Timeline | Status | |
| R. Gardens Management Company Limited Director • Engineer | 24 Sep 2019←6 Years→Current | Active | |
| G S Ductwork Ltd Secretary • Engineer | 17 Feb 2004←21 Years→Current | Active | |
| G S Ductwork Ltd Director • Engineer | 17 Feb 2004←21 Years→Current | Active | |
| Ventorex Limited Director • Sheet Metal Engineer | 18 Jul 1991←24 Years→9 Oct 2015 | Active | |
