| Company | Timeline | Status | |
| T E R Calibration Ltd Director • Metrologist | 3 Oct 2011←12 Years→15 May 2024 | Active | |
| T E R Calibration Ltd Director • Metrologist | 8 Apr 2011←1 Month→24 May 2011 | Active | |
T.E.R. Instruments Limited Director • Metrologist | 16 Jan 1998←16 Years→16 Mar 2014 | Dissolved | |
