| Company | Timeline | Status | |
Wallglass System Limited Director • Company Director | 7 Nov 2007←10 Years→21 Aug 2018 | Dissolved | |
Wallglass System Limited Secretary • Company Director | 7 Nov 2007←10 Years→21 Aug 2018 | Dissolved | |
| Vista Therm Director • Company Director | 25 Jul 1992←33 Years→Current | Active | |
