| Company | Timeline | Status | |
| Metertek Ltd Director • Managing Director | 21 Jul 2020←2 Years 10 Months→30 May 2023 | Dissolved | |
| Stream Measurement Limited Director • Chairman/director | 22 Jul 1999←20 Years→1 Oct 2019 | Active | |
| Neptune Measurement Limited Director • Chairman And Director | 21 Jul 1999←26 Years→Current | Active | |
