| Company | Timeline | Status | |
| Zeta Analytical Limited Director • Director | 3 Feb 2004←21 Years→Current | Active | |
| Zeta Analytical Limited Secretary • Director | 3 Feb 2004←1 Year→4 Feb 2005 | Active | |
| Zeta Analytical Limited Director • Director | 3 Feb 2004←20 Years→6 Dec 2024 | Active | |
