| Company | Timeline | Status | |
| PTS (NDT) Limited Director • Director | 15 Apr 2019←1 Year 1 Month→1 Jun 2020 | Active | |
| PTS Group Holdings Limited Director • Manager | 20 Feb 2012←8 Years→1 Jun 2020 | Active | |
| PTS (TQM) Limited Director • Manager | 16 Jan 2012←8 Years→1 Jun 2020 | Active | |
PTS (Total Quality Management) Limited Director • Manager | 30 Jul 2004←10 Years→7 Apr 2015 | Dissolved | |
| Barnard Limited Director • Engineer | 5 Jul 2004←21 Years→Current | Dissolved | |
| British Institute Of Non-Destructive Testing(The) Director • Quality Engineer | 21 Apr 1998←8 Years→13 Sep 2006 | Active | |
