| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | RENEWABLE THERMAL ENGINES LIMITED | 🇬🇧United Kingdom | Dissolved | 02/10/2025 – present |
| Person with significant control | HEPTRON AFRICA LIMITED | 🇬🇧United Kingdom | Active | 24/06/2024 – present |
| Person with significant control | HEPTRON INDIA LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | HEPTRON USA LIMITED | 🇬🇧United Kingdom | Active | 25/06/2024 – present |
| Person with significant control | HEPTRON TURBINES LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | EV CHARGING STATIONS LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | THRELCO LTD | — | Dissolved | 24/06/2024 – present |
| Person with significant control | KABZAR ROBOTICS LIMITED | 🇬🇧United Kingdom | Dissolved | 26/06/2024 – present |
| Person with significant control | HEPTRON MANUFACTURING UK LIMITED | 🇬🇧United Kingdom | Active | 22/06/2024 – present |
| Person with significant control | NORTREP1 LIMITED | — | Dissolved | 22/06/2024 – present |
| Person with significant control | EV CHARGING POSTS LIMITED | 🇬🇧United Kingdom | Active | 25/06/2024 – present |
| Person with significant control | THE LIVERPOOL RENEWABLE ENERGY RESEARCH CENTRE LIMITED | — | Dissolved | 25/06/2024 – present |
| Person with significant control | HEPTRON POWER TRANSMISSION LIMITED | 🇬🇧United Kingdom | Active | 24/06/2024 – present |
| Person with significant control | NORTREP 2 LIMITED | — | Dissolved | 26/06/2024 – present |
| Person with significant control | HEPTRON LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | HEPTRON INTERNATIONAL LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
06/04/2026
United Kingdom → England
04/04/2026
England → United Kingdom
06/04/2016
appointed