| Company | Timeline | Status | |
| Colart International Holdings Limited Director • Director  | 13 Aug 1999←9 Months→1 Jun 2000  | Active  | |
| Colart Contract Manufacturing Limited Director • Company Director  | 20 Sep 1994←4 Years→3 Aug 1999  | Dissolved  | |
| Colart Group Holdings Limited Director • Director  | 28 Oct 1992←7 Years→1 May 2000  | Active  | |
| Sandvik Materials Limited Director • Director  | 10 May 1989←3 Years→3 Feb 1993  | Active  | |
