| Company | Timeline | Status | |
| Sealsense Ltd Director • Director | 8 Sep 2022←3 Years→Current | Active | |
| Renda Systems Limited Director • Director | 5 May 2021←3 Years→11 Apr 2025 | Active | |
| HP1 Technologies Limited Director • Director | 15 Nov 2018←7 Years→Current | Active | |
| Isonetics Limited Director • Director | 19 Dec 2016←8 Years→Current | Active | |
| Ene Developments Limited Director • Director | 16 Feb 2016←5 Years→16 Mar 2021 | Dissolved | |
Energy Networks (Europe) Limited Director • Director | 2 Feb 2016←4 Years→22 Sep 2020 | Dissolved | |
| Holyrood Power Limited Director • Director | 6 Jan 2016←2 Years 3 Months→19 Apr 2018 | Active | |
| South Bristol Energy Limited Director • None | 25 Oct 2015←9 Months→26 Jul 2016 | Dissolved | |
Green Gas Ventures Ltd Director • Director | 31 Aug 2015←1 Year 4 Months→17 Jan 2017 | Dissolved | |
| GFLE Topco 8 Limited Director • Company Director | 2 Apr 2015←9 Years→28 May 2024 | Dissolved | |
