| Company | Timeline | Status | |
| Dolphyn Hydrogen - Celtic Sea SPV Limited Director • Unreported | 1 Dec 2025←1 Month→Current | Active | |
| Dolphyn Hydrogen - North Sea SPV Limited Director • Unreported | 1 Dec 2025←1 Month→Current | Active | |
| Dolphyn Hydrogen Limited Director • Unreported | 1 Dec 2025←1 Month→Current | Active | |
| Engineering Safety Consultants Limited Director • Unreported | 3 Nov 2025←2 Months→Current | Active | |
| Element Energy Limited Director • Unreported | 17 May 2023←1 Year 7 Months→18 Dec 2024 | Dissolved | |
| 05945946 Limited Director • Unreported | 30 Jun 2022←3 Years→Current | Liquidation | |
| Critical Resource Strategy & Analysis Limited Director • Unreported | 31 Mar 2022←2 Years 8 Months→18 Dec 2024 | Dissolved | |
| Arcus Consultancy Services Limited Director • Unreported | 31 Mar 2022←2 Years 8 Months→24 Dec 2024 | Dissolved | |
| Erm International Services Limited Director • Unreported | 31 Mar 2022←3 Years→Current | Active | |
| Erm Regulatory Services Limited Director • Unreported | 2 Feb 2022←3 Years→18 Mar 2025 | Dissolved | |
