| Company | Timeline | Status | |
| Ges Event Intelligence Ltd Secretary • Unreported | 17 Aug 1999←7 Months→31 Mar 2000 | Active | |
| Olympia Limited Secretary • Unreported | 18 May 1992←7 Years→31 Mar 2000 | Active | |
| Exhibition Venues Limited Secretary • Unreported | 18 May 1992←7 Years→31 Mar 2000 | Dissolved | |
| Olympia Management Services Limited Secretary • Unreported | 18 May 1992←7 Years→31 Mar 2000 | Active | |
| Clarion Events Limited Secretary • Unreported | 18 May 1991←8 Years→31 Mar 2000 | Active | |
| Clarion Events Limited Secretary • Unreported | 1 Jan 1970←30 Years→31 Mar 2000 | Active | |
