| Company | Timeline | Status | |
| Pickering Group Limited Secretary • Unreported | 17 Nov 2008←8 Years→27 Feb 2017 | Active | |
| Pickering Interfaces Limited Secretary • Unreported | 17 Nov 2008←8 Years→27 Feb 2017 | Active | |
| Pickering Electronics Limited Secretary • Unreported | 17 Nov 2008←8 Years→27 Feb 2017 | Active | |
