| Company | Timeline | Status | |
| Ect Trustees Limited Director • Director | 26 Sep 2023←2 Years→Current | Active | |
| Civil Engineering Monitoring Ltd Director • Design & Technology | 4 Jul 2005←20 Years→Current | Active | |
| Concrete Preservation Technologies Ltd Director • Technology | 5 Apr 2005←20 Years→Current | Active | |
| Concrete Preservation Technologies Ltd Director • Technology | 5 Apr 2005←19 Years→30 Sep 2024 | Active | |
| E-Chem Technologies Ltd Director • Research | 1 Oct 2004←21 Years→Current | Active | |
| E-Chem Technologies Ltd Director • Research | 1 Oct 2004←20 Years→30 Sep 2024 | Active | |
