| Company | Timeline | Status | |
| Emc Hycal Limited Secretary • Unreported | 8 Mar 2007←12 Years→16 Dec 2019 | Active | |
| Ionic Power Limited Secretary • Company Secretary | 10 Jan 2001←18 Years→27 Nov 2019 | Active | |
| Henson Ceramics Limited Secretary • Unreported | 2 May 2000←19 Years→16 Dec 2019 | Active | |
| Environmental Monitoring And Control Limited Director • Company Secretary | 18 Aug 1999←22 Years→24 Sep 2021 | Active | |
| Aqueous Chemical Products Limited Secretary • Unreported | 1 Mar 1998←21 Years→27 Nov 2019 | Dissolved | |
| Environmental Monitoring And Control Limited Secretary • Unreported | 1 Mar 1998←21 Years→16 Dec 2019 | Active | |
