| Company | Timeline | Status | |
| ACD Group Limited Director • Director  | 23 Jun 2022←3 Years→Current  | Active  | |
| Air Conditioning Development Holdings Limited Director • Director  | 19 Feb 2013←12 Years→22 Apr 2025  | Dissolved  | |
| Air Control & Development Limited Director • Finance Director  | 1 Jan 2001←24 Years→Current  | Active  | |
| Air Control & Development Limited Secretary • Fd  | 1 Jun 1999←10 Years→1 Apr 2010  | Active  | |
