| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | YORKERS LTD | 🇬🇧United Kingdom | Activa | 11/3/2026 – presente |
| Persona con control significativo | YORKERS LTD | 🇬🇧United Kingdom | Activa | 7/11/2025 – presente |
| Cargo | TAMAR MINERALS PLC | 🇬🇧United Kingdom | Activa | 10/1/2026 – presente |
| Cargo | RESOLUTE 1850 LTD | 🇬🇧United Kingdom | Activa | 17/3/2026 – 7/11/2025 |
| Persona con control significativo | RESOLUTE 1850 LTD | 🇬🇧United Kingdom | Activa | 9/5/2025 – 7/11/2025 |
| Persona con control significativo | CAYENNE COPPER LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – 27/2/2025 |
| Cargo | CAYENNE COPPER LIMITED | 🇬🇧United Kingdom | Activa | 20/3/2026 – 6/11/2025 |
| Persona con control significativo | NEWHENGE LIMITED | 🇬🇧United Kingdom | Activa | 25/6/2024 – presente |
| Cargo | NEWHENGE LIMITED | 🇬🇧United Kingdom | Activa | 10/3/2026 – presente |
| Cargo | GODOLPHIN EXPLORATION LIMITED | 🇬🇧United Kingdom | Activa | 2/4/2026 – presente |
| Persona con control significativo | TRELIVER MINERALS TRUSTEES LIMITED | — | Disuelta | 25/6/2024 – presente |
| Cargo | AGGREGATES WEST LIMITED | 🇬🇧United Kingdom | Activa | 16/2/2026 – 16/5/2023 |
| Persona con control significativo | AGGREGATES WEST LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – 16/5/2023 |
| Cargo | TUNGSTEN WEST SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 27/1/2026 – 16/5/2023 |
| Cargo | DRAKELANDS RESTORATION LIMITED | 🇬🇧United Kingdom | Activa | 12/4/2026 – 16/5/2023 |
| Cargo | DTF HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 11/4/2026 – presente |
| Persona con control significativo | DTF HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 26/6/2024 – presente |
| Persona con control significativo | GODOLPHIN MINERALS LIMITED | 🇬🇧United Kingdom | Activa | 23/6/2024 – 1/5/2020 |
| Cargo | GODOLPHIN MINERALS LIMITED | 🇬🇧United Kingdom | Activa | 11/4/2026 – presente |
| Cargo | ROMCEM LIMITED | 🇬🇧United Kingdom | Activa | 21/4/2026 – presente |
| Persona con control significativo | MET TRADING LIMITED | 🇬🇧United Kingdom | Activa | 11/6/2024 – presente |
| Persona con control significativo | STANNUM RESOURCES LIMITED | 🇬🇧United Kingdom | Activa | 22/6/2024 – presente |
| Cargo | CORNWALL TIN LIMITED | 🇬🇧United Kingdom | Activa | 23/12/2025 – 16/4/2015 |
| Cargo | TRELIVER ENERGY SERVICES LIMITED | — | Disuelta | 7/5/2026 – presente |
| Cargo | GODOLPHIN MINING (UK) LIMITED | 🇬🇧United Kingdom | Activa | 8/5/2026 – 13/2/2020 |
| Cargo | ANGLO SAXONY MINING LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | TRELIVER MINERALS TRUSTEES LIMITED | — | Disuelta | 13/5/2026 – presente |
| Cargo | FIRST TIN PLC | 🇬🇧United Kingdom | Activa | 20/5/2026 – 24/3/2022 |
| Cargo | STANNUM RESOURCES LIMITED | 🇬🇧United Kingdom | Activa | 25/5/2026 – presente |
| Cargo | MET TRADING LIMITED | 🇬🇧United Kingdom | Activa | 26/5/2026 – 21/6/2011 |
| Cargo | MET TRADING LIMITED | 🇬🇧United Kingdom | Activa | 26/5/2026 – presente |
25/5/2026
United Kingdom → England
22/5/2026
England → United Kingdom
16/1/2015
appointed