| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | LIBRYO LTD | 🇬🇧United Kingdom | Active | 29/04/2026 – 31/05/2023 |
| Officer | NORTH STAR SAFETY GROUP LIMITED | 🇬🇧United Kingdom | Active | 27/03/2026 – 30/09/2022 |
| Officer | NATURE BIDCO LIMITED | 🇬🇧United Kingdom | Active | 02/04/2026 – 31/05/2023 |
| Officer | NATURE MIDCO LIMITED | 🇬🇧United Kingdom | Active | 02/04/2026 – 31/05/2023 |
| Officer | DOLPHYN HYDROGEN - CELTIC SEA SPV LIMITED | 🇬🇧United Kingdom | Active | 29/03/2026 – 31/05/2023 |
| Officer | DOLPHYN HYDROGEN - NORTH SEA SPV LIMITED | 🇬🇧United Kingdom | Active | 29/03/2026 – 31/05/2023 |
| Officer | DOLPHYN HYDROGEN LIMITED | 🇬🇧United Kingdom | Active | 29/03/2026 – 31/05/2023 |
| Officer | ERM REGULATORY SERVICES LIMITED | — | Dissolved | 28/04/2026 – 31/05/2023 |
| Officer | ARCUS CONSULTANCY SERVICES LIMITED | — | Dissolved | 15/06/2026 – 31/05/2023 |
| Officer | CRITICAL RESOURCE STRATEGY & ANALYSIS LIMITED | — | Dissolved | 11/06/2026 – 31/05/2023 |
| Officer | CSA GLOBAL (UK) LIMITED | 🇬🇧United Kingdom | Active | 19/12/2025 – 31/05/2023 |
| Officer | ERM GROUP HOLDINGS LIMITED | — | Dissolved | 15/06/2026 – present |
| Officer | EAGLE 5 LIMITED | 🇬🇧United Kingdom | Dissolved | 15/06/2026 – present |
| Officer | EAGLE 3 LIMITED | — | Dissolved | 15/06/2026 – present |
| Officer | ERM GROUP LIMITED | — | Dissolved | 15/06/2026 – present |
| Officer | EMERALD 2 LIMITED | — | Active | 24/05/2026 – 31/05/2023 |
| Officer | ERM WORLDWIDE LIMITED | — | Dissolved | 24/05/2026 – present |
31/05/2023
resigned
02/12/2022
appointed
26/01/2012
appointed