| Company | Timeline | Status | |
| Visual Systems (Holdings) Limited Director • Company Director | 4 Mar 2003←2 Years 2 Months→31 May 2005 | Active | |
| The Visual System & Sign Company Limited Director • Managing Director | 22 Dec 1991←13 Years→31 May 2005 | Active | |
| The Visual System & Sign Company Limited Secretary • Managing Director | 22 Dec 1991←11 Years→4 Mar 2003 | Active | |
