| Company | Timeline | Status | |
| Westminster Green Management Company Limited Director • Retired | 12 Dec 2018←7 Months→24 Jul 2019 | Active | |
| Mental Disability Advocacy Centre Director • Management Consultant | 15 Nov 2014←9 Years→31 Mar 2024 | Active | |
| Calnex Limited Director • Management Consultant | 23 Dec 2005←19 Years→14 Oct 2025 | Dissolved | |
| Calnex Limited Secretary • Management Consultant | 20 Oct 2003←22 Years→14 Oct 2025 | Dissolved | |
