| Company | Timeline | Status | |
| Big Bang (Fireworks) Productions Limited Secretary • Pyrotechnist | 7 Sep 2007←18 Years→Current | Active | |
| Big Bang Fireworks Limited Secretary • Pyrotechnist | 27 Oct 2004←21 Years→Current | Active | |
| Big Bang Fireworks Limited Director • Pyrotechnist | 27 Oct 2004←13 Years→27 Feb 2018 | Active | |
| Big Bang (Fireworks) Productions Limited Director • Unreported | 27 Apr 1998←27 Years→Current | Active | |
