| Company | Timeline | Status | |
| Bowker Blackburn Limited Secretary • Managing Director | 25 Mar 1997←8 Years→14 Jul 2005 | Active | |
| Bowker Preston Limited Secretary • Unreported | 25 Mar 1997←8 Years→17 Jul 2005 | Active | |
| Bowker Blackburn Limited Director • Managing Director | 5 May 1994←11 Years→14 Jul 2005 | Active | |
| Bowker Preston Limited Director • Managing Director | 27 Nov 1991←13 Years→17 Jul 2005 | Active | |
| Bowker Preston Limited Director • Unreported | 1 Jan 1970←35 Years→17 Jul 2005 | Active | |
