| Company | Timeline | Status | |
ATF Precision Engineering Limited Director • Service Engineer | 28 Dec 2016←2 Years 1 Month→19 Feb 2019 | Dissolved | |
| HBK Limited Director • Engineer | 1 Feb 2008←17 Years→Current | Active | |
| N.D. Eng Ltd Director • Engineer | 9 Oct 2007←18 Years→Current | Active | |
