| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | RB MARINE POWER ENGINEERING (UK) LIMITED | 🇬🇧Regno Unito | Active | 03/03/2026 – present |
| Person with significant control | RB MARINE POWER ENGINEERING (UK) LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | SIM SWITCHGEAR HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 01/12/2023 – present |
| Officer | SIM SWITCHGEAR HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 18/02/2026 – present |
| Person with significant control | SWITCHGEAR INTEGRATED MAINTENANCE LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – 22/02/2022 |
| Officer | SWITCHGEAR INTEGRATED MAINTENANCE LTD | 🇬🇧Regno Unito | Active | 03/03/2026 – present |
| Person with significant control | SIM SWITCHGEAR ABERDEEN LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | SIM SWITCHGEAR ABERDEEN LIMITED | 🇬🇧Regno Unito | Active | 12/04/2026 – present |
| Officer | SIM SWITCHGEAR LIMITED | 🇬🇧Regno Unito | Active | 22/01/2026 – present |
| Officer | R & B POWER ENGINEERING LIMITED | — | Dissolved | 03/06/2026 – 22/03/2017 |
| Person with significant control | PYRO GROUP LIMITED | 🇬🇧Regno Unito | Active | 02/12/2023 – present |
| Officer | PYRO GROUP LIMITED | 🇬🇧Regno Unito | Active | 24/04/2026 – 19/11/2024 |
| Person with significant control | VIEWSAFE LTD | — | Active | 05/12/2023 – present |
| Officer | LMR TECHNOLOGIES LTD | — | Active | 17/05/2026 – present |
| Officer | VIEWSAFE LTD | — | Active | 07/01/2026 – present |
11/04/2026
United Kingdom → England
10/04/2026
England → United Kingdom
12/10/2010
appointed