| Company | Timeline | Status | |
| Mercury Systems Engineers Limited Secretary • Unreported | 4 Dec 1991←6 Months→25 Jun 1992 | Active | |
| Mercury Systems Engineers Limited Director • General Manager | 4 Dec 1991←6 Months→25 Jun 1992 | Active | |
| Mercury Installations Limited Secretary • Unreported | 1 Aug 1991←10 Months→25 Jun 1992 | Active | |
| Mercury Installations Limited Director • Hotelier | 1 Aug 1991←10 Months→25 Jun 1992 | Active | |
| Mercury Systems Limited Director • Hotelier | 31 Jul 1991←11 Months→25 Jun 1992 | Active | |
| Mercury Systems Limited Secretary • Unreported | 31 Jul 1991←11 Months→25 Jun 1992 | Active | |
