| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | YORKERS LTD | 🇬🇧Regno Unito | Active | 07/11/2025 – present |
| Officer | YORKERS LTD | 🇬🇧Regno Unito | Active | 11/03/2026 – present |
| Officer | TAMAR MINERALS PLC | 🇬🇧Regno Unito | Active | 10/01/2026 – present |
| Person with significant control | RESOLUTE 1850 LTD | 🇬🇧Regno Unito | Active | 09/05/2025 – 07/11/2025 |
| Officer | RESOLUTE 1850 LTD | 🇬🇧Regno Unito | Active | 17/03/2026 – 07/11/2025 |
| Officer | CAYENNE COPPER LIMITED | 🇬🇧Regno Unito | Active | 20/03/2026 – 06/11/2025 |
| Person with significant control | CAYENNE COPPER LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 27/02/2025 |
| Person with significant control | NEWHENGE LIMITED | 🇬🇧Regno Unito | Active | 25/06/2024 – present |
| Officer | NEWHENGE LIMITED | 🇬🇧Regno Unito | Active | 10/03/2026 – present |
| Officer | GODOLPHIN EXPLORATION LIMITED | 🇬🇧Regno Unito | Active | 02/04/2026 – present |
| Person with significant control | TRELIVER MINERALS TRUSTEES LIMITED | — | Dissolved | 25/06/2024 – present |
| Person with significant control | AGGREGATES WEST LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 16/05/2023 |
| Officer | AGGREGATES WEST LIMITED | 🇬🇧Regno Unito | Active | 16/02/2026 – 16/05/2023 |
| Officer | TUNGSTEN WEST SERVICES LIMITED | 🇬🇧Regno Unito | Active | 27/01/2026 – 16/05/2023 |
| Officer | DRAKELANDS RESTORATION LIMITED | 🇬🇧Regno Unito | Active | 12/04/2026 – 16/05/2023 |
| Person with significant control | DTF HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 26/06/2024 – present |
| Officer | DTF HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 11/04/2026 – present |
| Person with significant control | GODOLPHIN MINERALS LIMITED | 🇬🇧Regno Unito | Active | 23/06/2024 – 01/05/2020 |
| Officer | GODOLPHIN MINERALS LIMITED | 🇬🇧Regno Unito | Active | 11/04/2026 – present |
| Officer | ROMCEM LIMITED | 🇬🇧Regno Unito | Active | 21/04/2026 – present |
| Person with significant control | STANNUM RESOURCES LIMITED | 🇬🇧Regno Unito | Active | 22/06/2024 – present |
| Person with significant control | MET TRADING LIMITED | 🇬🇧Regno Unito | Active | 11/06/2024 – present |
| Officer | CORNWALL TIN LIMITED | 🇬🇧Regno Unito | Active | 23/12/2025 – 16/04/2015 |
| Officer | TRELIVER ENERGY SERVICES LIMITED | — | Dissolved | 07/05/2026 – present |
| Officer | GODOLPHIN MINING (UK) LIMITED | 🇬🇧Regno Unito | Active | 08/05/2026 – 13/02/2020 |
| Officer | ANGLO SAXONY MINING LIMITED | 🇬🇧Regno Unito | Dissolved | 12/05/2026 – present |
| Officer | TRELIVER MINERALS TRUSTEES LIMITED | — | Dissolved | 13/05/2026 – present |
| Officer | FIRST TIN PLC | 🇬🇧Regno Unito | Active | 20/05/2026 – 24/03/2022 |
| Officer | STANNUM RESOURCES LIMITED | 🇬🇧Regno Unito | Active | 25/05/2026 – present |
| Officer | MET TRADING LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 21/06/2011 |
| Officer | MET TRADING LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – present |
| Officer | SOUTH CROFTY LIMITED | 🇬🇧Regno Unito | Active | 07/06/2026 – 31/12/2009 |
25/05/2026
United Kingdom → England
22/05/2026
England → United Kingdom
16/01/2015
appointed