| Company | Timeline | Status | |
| Hamlet J (No.3) Management Company Limited Director • Education Manager | 9 Jan 2007←7 Years→27 May 2014 | Active | |
| Suitcase TV Ltd Director • Director | 27 Apr 1999←1 Year→19 May 2000 | Dissolved | |
| Screen Subtitling Systems Limited Director • Operations Manager | 25 Feb 1998←4 Years→27 Jun 2002 | Active | |
