| Company | Timeline | Status | |
| Delta Membrane Holdings Limited Director • Director | 11 May 2017←8 Years→Current | Active | |
| Delta Membrane Systems Limited Director • Director | 2 Jun 2014←11 Years→Current | Active | |
| Delta Membrane Systems Limited Director • Director | 2 Jun 2014←10 Years→28 Jun 2024 | Active | |
