| Company | Timeline | Status | |
| Polar Computer Communications Limited Director • Company Secretary  | 8 Oct 2010←8 Years→28 Aug 2019  | Active  | |
| Simpletraining Limited Director • Company Secretary  | 21 Apr 2004←15 Years→28 Aug 2019  | Active  | |
| Simpletraining Limited Secretary • Unreported  | 21 Apr 2004←15 Years→29 Aug 2019  | Active  | |
| Polar Computer Communications Limited Secretary • Unreported  | 30 Jul 1997←22 Years→29 Aug 2019  | Active  | |
