| Company | Timeline | Status | |
| Abakus Limited Director • Unreported | 11 Nov 2010←15 Years→Current | Active | |
| Abakus Scientific Limited Secretary • Director | 18 Jan 2006←17 Years→18 Apr 2023 | Dissolved | |
| Abakus Limited Director • Managing Director | 18 Jun 1991←32 Years→19 Dec 2023 | Dissolved | |
