| Company | Timeline | Status | |
| British Mensa Limited Secretary • Unreported | 17 Aug 1996←2 Years 4 Months→17 Dec 1998 | Active | |
| Mensa Publications Limited Secretary • Unreported | 28 Oct 1994←4 Years→30 Nov 1998 | Active | |
| People Potential Possibilities Secretary • Unreported | 31 Mar 1992←10 Years→19 Nov 2002 | Active | |
