| Company | Timeline | Status | |
| Roomfoss Control Systems Limited Director • Director | 1 Apr 2007←10 Years→31 May 2017 | Active | |
| Roomfoss Limited Secretary • Director | 1 Apr 2007←10 Years→31 May 2017 | Active | |
| Festival Too Director • Electrical Engineer | 28 Nov 2001←9 Years→30 Sep 2011 | Active | |
| Roomfoss Limited Director • Director | 20 Jul 1992←24 Years→31 May 2017 | Active | |
