| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | MCGREGOR CONSULTANTS LTD | 🇬🇧Regno Unito | Active | 07/05/2026 – present |
| Officer | NRG WELL MANAGEMENT LIMITED | 🇬🇧Regno Unito | Active | 08/05/2026 – present |
| Officer | METCALFE ENERGY LTD | 🇬🇧Regno Unito | Dissolved | 10/04/2026 – present |
| Person with significant control | CLNS HOLDINGS LIMITED | 🇬🇧Regno Unito | Liquidation | 18/06/2024 – present |
| Officer | NRG GROUP HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 07/05/2026 – 03/02/2025 |
| Officer | NRG WELL EXAMINATION LTD | 🇬🇧Regno Unito | Active | 10/04/2026 – present |
| Officer | NRG HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 10/04/2026 – present |
| Person with significant control | NRG GROUP HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 20/06/2024 – present |
| Person with significant control | NRG HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 24/06/2024 – 12/06/2019 |
| Person with significant control | SEESCAI LTD | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | TAC HEALTHCARE GROUP LTD | 🇬🇧Regno Unito | Active | 22/06/2024 – 04/10/2019 |
03/02/2025
resigned
19/06/2024
Scotland → England
11/10/2007
appointed