| Company | Timeline | Status | |
| Catalyst Science Discovery Centre And Museum Trust Limited Director • Solicitor | 20 Jun 1996←12 Months→19 Jun 1997 | Active | |
| Helan Properties Limited Secretary • Solicitor | 27 Nov 1992←10 Months→1 Oct 1993 | Active | |
| Helan Properties Limited Director • Solicitor | 28 Jun 1991←9 Months→25 Mar 1992 | Active | |
