| Company | Timeline | Status | |
| Gwynt Glas Offshore Wind Farm Limited Director • Engineer | 7 Jul 2021←2 Years 1 Month→1 Sep 2023 | Active | |
| DP Global Energy Limited Director • Engineer | 2 Jul 2021←4 Years→Current | Active | |
| Dyfed Floating Energy Ltd Director • Director | 23 Sep 2016←7 Years→19 Dec 2023 | Dissolved | |
| Katanes Floating Energy Ltd Director • Director | 12 Sep 2016←7 Years→12 Dec 2023 | Dissolved | |
| Orbital Marine Power Limited Director • Company Director | 14 Dec 2015←2 Years 8 Months→17 Aug 2018 | Active | |
| Fair Head Tidal Energy Park Limited Director • Director | 7 May 2013←10 Years→19 Mar 2024 | Dissolved | |
| West Islay Tidal Energy Park Limited Director • Director | 12 Apr 2013←6 Years→20 Dec 2019 | Dissolved | |
| Slatbeg Wind Limited Director • Director | 22 Jan 2010←14 Years→30 Jan 2024 | Dissolved | |
| DP Energy Limited Director • Unreported | 21 Oct 1999←26 Years→Current | Active | |
