| Company | Timeline | Status | |
| Dowis Ltd Director • Director | 19 Sep 2011←12 Years→27 Feb 2024 | Dissolved | |
| Hydrophalt (UK) Limited Director • Director | 11 Jun 2004←21 Years→Current | Active | |
| Hydrophalt (UK) Limited Secretary • Director | 11 Jun 2004←21 Years→Current | Active | |
| Hesselberg Hydro (1991) Limited Director • Director | 8 Mar 2004←19 Years→27 Feb 2024 | Dissolved | |
| Hesselberg Hydro (1991) Limited Secretary • Director | 8 Mar 2004←19 Years→27 Feb 2024 | Dissolved | |
