| Company | Timeline | Status | |
| Exact Editions Limited Director • Unreported | 31 May 2005←20 Years→Current | Active | |
| Exact Editions Limited Secretary • Unreported | 31 May 2005←20 Years→Current | Active | |
| Credo Reference Limited Director • Publishing | 4 Oct 1999←2 Years→5 Oct 2001 | Active | |
| Credo Reference Limited Secretary • Unreported | 14 Sep 1999←5 Years→1 Dec 2004 | Active | |
