| Company | Timeline | Status | |
| PTG Heavy Industries Limited Director • Company Director | 15 Jul 2016←7 Months→6 Mar 2017 | Dissolved | |
PTG Advanced Developments Limited Director • Company Director | 15 Jul 2016←7 Months→6 Mar 2017 | Dissolved | |
| Precision Components Limited Director • Company Director | 15 Jul 2016←7 Months→6 Mar 2017 | Active | |
| Holroyd Precision Ltd Director • Company Director | 15 Jul 2016←7 Months→6 Mar 2017 | Active | |
