| Company | Timeline | Status | |
| City Technology Holdings Limited Director • Company Director | 17 Aug 1995←4 Years→28 Oct 1999 | Dissolved | |
| Comstack Limited Director • Manager | 19 Jul 1993←6 Years→28 Oct 1999 | Dissolved | |
| City Technology Limited Director • Managing Director | 28 Oct 1992←7 Years→28 Oct 1999 | Active | |
