| Company | Timeline | Status | |
| Multimedia Marketing.Com Limited Director • Business Consultant | 31 May 2006←5 Years→20 Jan 2012 | Dissolved | |
| Broomco (2759) Limited Secretary • Unreported | 11 Jan 2002←11 Months→18 Dec 2002 | Active | |
| Multimedia Marketing.Com Limited Director • Business Consultant | 17 Feb 2000←5 Years→21 Dec 2005 | Dissolved | |
| M M U Enterprises Limited Director • Business Consultant | 12 Aug 1999←6 Months→17 Feb 2000 | Active | |
| MMC Intellectual Property Limited Director • Business Consultant | 12 Aug 1999←12 Years→20 Jan 2012 | Active | |
| National Museum Of Labour History Trading Company Limited Director • Lecturer | 3 Jun 1992←2 Years 7 Months→11 Jan 1995 | Active | |
