| Company | Timeline | Status | |
| The Smart Heat & Light Company Limited Director • Director  | 12 May 2005←3 Years→31 Mar 2009  | Active  | |
Hometech Integration Limited Director • Control And Data Installer  | 13 Nov 2001←7 Years→2 Apr 2009  | Dissolved  | |
| Tri Custom Limited Director • Engineer  | 30 May 2001←8 Years→26 Jan 2010  | Active  | |
| Cedia UK Director • Engineer  | 25 Apr 1997←2 Years→20 May 1999  | Active  | |
