| Company | Timeline | Status | |
| Eurotron Instruments (UK) Limited Secretary • Director | 6 Jul 2005←3 Years→1 Aug 2008 | Active | |
| Eurotron Instruments (UK) Limited Director • Director | 6 Jul 2005←3 Years→28 Feb 2009 | Active | |
| Chamois Metrology Limited Director • Director | 1 Jan 2005←17 Years→5 May 2022 | Active | |
Theta Systems Limited Director • Company Director | 15 Oct 1991←7 Years→29 Jul 1999 | Dissolved | |
