| Company | Timeline | Status | |
| Christopher Safety Products Limited Secretary • Accountant | 1 Oct 2003←4 Years→14 Mar 2008 | Active | |
| Wadsworth Security Products Limited Secretary • Accountant | 1 Oct 2003←4 Years→14 Mar 2008 | Active | |
| G. S. Christopher & Co. Limited Secretary • Accountant | 30 Sep 2003←4 Years→14 Mar 2008 | Active | |
