| Company | Timeline | Status | |
| Sysdev Limited Director • Professional Engineer | 23 Sep 2010←15 Years→23 Sep 2025 | Dissolved | |
| Sysdev Limited Director • Professional Engineer | 23 Sep 2010←13 Years→31 Aug 2024 | Dissolved | |
Technographic Displays Limited Director • Company Director | 7 Sep 1998←16 Years→15 Mar 2015 | Dissolved | |
Bisco-Invision Limited Director • Director | 1 Oct 1997←1 Year→14 Oct 1998 | Dissolved | |
| Invision Microsystems Limited Secretary • Unreported | 7 Mar 1992←5 Years→30 Nov 1997 | Liquidation | |
| Invision Microsystems Limited Director • Electronics Engineer | 7 Mar 1992←6 Years→15 Oct 1998 | Liquidation | |
