| Company | Timeline | Status | |
| Lev Engineering Limited Director • Director  | 13 Nov 2017←7 Years→Current  | Active  | |
| Workplace Safety Management Limited Director • Manager  | 19 Jul 2002←15 Years→31 Dec 2017  | Active  | |
| Workplace Safety Management Limited Secretary • Manager  | 19 Jul 2002←15 Years→31 Dec 2017  | Active  | |
