| Company | Timeline | Status | |
| Pickering Group Limited Director • Director | 31 Dec 1991←25 Years→21 May 2017 | Active | |
| Pickering Interfaces Limited Director • Director | 31 Dec 1991←25 Years→21 May 2017 | Active | |
| Pickering Electronics Limited Director • Director | 31 Dec 1991←25 Years→21 May 2017 | Active | |
