| Company | Timeline | Status | |
| Flight Calibration Services Ltd Director • Director | 29 Mar 2010←11 Years→28 Feb 2022 | Active | |
| PCR (UK) Ltd Secretary • Unreported | 1 Aug 2007←18 Years→Current | Active | |
| Culross Aerospace Limited Director • Engineer | 7 Sep 2005←20 Years→Current | Active | |
| PCR (UK) Ltd Director • Engineer | 26 Aug 2005←20 Years→Current | Active | |
| Avionic Services International Ltd Director • Director | 2 Aug 2005←20 Years→Current | Active | |
