| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | WELL-SENSE HOLDINGS LTD | 🇬🇧Regno Unito | Active | 12/12/2025 – present |
| Officer | ISOL8 (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Active | 08/01/2026 – present |
| Officer | MINEMAP LIMITED | 🇬🇧Regno Unito | Active | 03/03/2026 – present |
| Officer | WELL-SENSE TECHNOLOGY UK LIMITED | 🇬🇧Regno Unito | Active | 09/03/2026 – present |
| Officer | UNITY WELL INTEGRITY LIMITED | 🇬🇧Regno Unito | Active | 19/12/2025 – present |
| Person with significant control | FRONTROW ENERGY TECHNOLOGY GROUP LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | PRAGMA WELL TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 05/02/2026 – present |
| Person with significant control | — | — | Active | 19/06/2024 – present |
| Officer | CLEARWELL ENERGY LIMITED | 🇬🇧Regno Unito | Active | 13/02/2026 – present |
| Officer | CLEARWELL ENERGY HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 17/04/2026 – present |
| Officer | FRONTROW ENERGY TECHNOLOGY GROUP LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
| Officer | INTERVENTEK SUBSEA ENGINEERING LIMITED | 🇬🇧Regno Unito | Active | 11/02/2026 – present |
| Officer | PEAK WELL SYSTEMS LIMITED | 🇬🇧Regno Unito | Dissolved | 17/03/2026 – 29/12/2016 |
| Officer | ZILIFT LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 15/01/2026 – 18/06/2020 |
| Officer | ZILIFT HOLDINGS LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 15/01/2026 – 18/06/2020 |
| Officer | INCUBATOR LIMITED | — | Dissolved | 02/06/2026 – 30/09/2010 |
| Officer | WEATHERFORD EURASIA LIMITED | 🇬🇧Regno Unito | Active | 02/03/2026 – 01/04/2010 |
| Officer | WEATHERFORD HOLDINGS U.K. LTD. | 🇬🇧Regno Unito | Active | 24/04/2026 – 01/04/2010 |
| Officer | TUBEFUSE TECHNOLOGIES LIMITED | — | Dissolved | 14/06/2026 – 30/09/2010 |
01/06/2026
Scotland → United Kingdom
08/05/2026
United Kingdom → Scotland
03/02/2006
appointed