| Company | Timeline | Status | |
Simisterj Ltd Director • Manager | 5 Jul 2013←1 Year 7 Months→17 Feb 2015 | Dissolved | |
| Techsim Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Ridgway Management Co. Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
