| Company | Timeline | Status | |
| Industrial Research & Technology Limited Director • State Certified Midwife | 3 Mar 2006←15 Years→11 Oct 2021 | Active | |
| Industrial Research & Technology Limited Secretary • Unreported | 3 Mar 2006←14 Years→1 May 2020 | Active | |
| SMT Research Limited Secretary • Unreported | 2 Feb 2006←3 Years→26 Jan 2010 | Dissolved | |
| SMT Research Limited Director • State Certified Midwife | 2 Feb 2006←3 Years→26 Jan 2010 | Dissolved | |
S.B. Chemicals Limited Director • Director | 1 Jul 1982←22 Years→6 Oct 2004 | Dissolved | |
