| Company | Timeline | Status | |
| Certech International Limited Secretary • Company Secretary  | 14 Nov 2001←5 Years→4 Sep 2007  | Active  | |
| Carpenter Technology (UK) Limited Secretary • Unreported  | 14 Nov 2001←5 Years→4 Sep 2007  | Active  | |
| Certech International Limited Secretary • Unreported  | 12 Mar 1998←1 Year→6 Apr 1999  | Active  | |
| Carpenter Technology (UK) Limited Secretary • Unreported  | 25 Jun 1997←1 Year 9 Months→6 Apr 1999  | Active  | |
