| Company | Timeline | Status | |
| Systech (Instrumentation) Limited Secretary • Director | 21 Oct 2006←19 Years→Current | Active | |
| Ipa Technologies Limited Secretary • Unreported | 12 Jan 2001←24 Years→Current | Active | |
| M.S. Developments Limited Secretary • Unreported | 14 Nov 1991←33 Years→Current | Active | |
| Systech (Instrumentation) Limited Director • Business Manager | 16 May 1991←34 Years→Current | Active | |
