| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | CROMLECH ENTERPRISES LTD | 🇬🇧Regno Unito | Active | 07/12/2025 – present |
| Person with significant control | RATHMAY LIMITED | 🇬🇧Regno Unito | Liquidation | 04/12/2023 – 29/11/2023 |
| Person with significant control | ACE WINCHES L.P. | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | A&V RENEWABLES LIMITED | 🇬🇧Regno Unito | Active | 20/06/2024 – present |
| Person with significant control | ACE WINCHES SALES & HIRE LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | ACE WELL SERVICES LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | LOTHIAN SHELF (720) LIMITED | 🇬🇧Regno Unito | Active | 22/06/2024 – present |
| Person with significant control | ACE DECOM LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 24/06/2024 – present |
| Person with significant control | ALFRED CHEYNE ENGINEERING LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 10/11/2021 |
| Person with significant control | A&VC PROPERTIES LIMITED | 🇬🇧Regno Unito | Active | 21/06/2024 – present |
| Person with significant control | MAYEN ENERGY LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | MAYEN ENERGY LTD | 🇬🇧Regno Unito | Active | 11/03/2026 – present |
| Officer | LOTHIAN SHELF (720) LIMITED | 🇬🇧Regno Unito | Active | 11/03/2026 – present |
| Officer | A&VC PROPERTIES LIMITED | 🇬🇧Regno Unito | Active | 21/04/2026 – present |
05/12/2025
appointed
29/11/2023
resigned
06/05/2014
appointed