| Company | Timeline | Status | |
Sipsong Management Ltd Director • Director | 5 Feb 2015←1 Year 10 Months→27 Dec 2016 | Dissolved | |
| Basda Business Services Limited Director • Director | 16 Apr 2003←2 Years 11 Months→22 Mar 2006 | Dissolved | |
| Business Application Software Developers' Association Director • Director | 16 Apr 2003←2 Years 11 Months→22 Mar 2006 | Active | |
| Advanced Enterprise Software Limited Director • Computer Consultant | 21 Dec 1991←13 Years→14 Mar 2005 | Dissolved | |
