| Company | Timeline | Status | |
| Unisto Limited Secretary • Unreported | 8 Jul 1999←26 Years→Current | Active | |
| Ivor SPRY & Co. Limited Secretary • Sales-engineering Products | 29 Jan 1996←1 Year 3 Months→19 May 1997 | Active | |
| A. Raymond Limited Director • Director | 12 Dec 1991←8 Years→30 Jun 2000 | Active | |
| Unisto Limited Director • Company Director | 13 Oct 1991←34 Years→Current | Active | |
| Ivor SPRY & Co. Limited Director • Company Director | 20 Jul 1991←16 Years→31 Jan 2008 | Active | |
