| Company | Timeline | Status | |
| I/O U.K. Holdings Limited Director • Company Director | 20 Apr 2004←1 Year 4 Months→2 Sep 2005 | Dissolved | |
| Concept Systems Holdings Limited Director • Company Director | 23 Oct 1998←6 Years→2 Sep 2005 | Dissolved | |
| Computer Application Services Limited Director • Director | 16 May 1997←8 Years→27 Oct 2005 | Active | |
| Concept Systems Limited Director • Director | 30 Sep 1991←1 Year 5 Months→17 Mar 1993 | Active | |
