| Company | Timeline | Status | |
| Sigmastart Limited Director • Unreported | 21 Sep 2018←7 Years→Current | Active | |
| E-Buky Ventures Limited Director • Director | 1 Oct 2012←6 Years→1 Apr 2019 | Active | |
| Sigmastart Limited Secretary • Accountant | 1 May 2009←16 Years→Current | Active | |
| Sigmastart Limited Director • Accountant | 1 May 2009←9 Years→5 Jul 2018 | Active | |
