| Company | Timeline | Status | |
| Gauge & Tool Makers'Association(The) Director • Engineer | 22 Feb 2022←2 Years 3 Months→4 Jun 2024 | Active | |
| Mantech Geometrics Limited Director • Director | 12 Jan 2009←17 Years→Current | Active | |
| Werth Metrology Limited Director • Importer | 30 Apr 2002←19 Years→22 Mar 2022 | Active | |
