| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | BOREHOLE SOLUTIONS UK RAIL DIVISION LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | DRILLING BRITISH SUPPLIES LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | JJR NORTHERN PROPERTIES LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | GEOENVIRO SOLUTIONS LTD | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | SONIC SERVICE SOLUTIONS LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | BOREHOLE SOLUTIONS RAIL LTD | — | Disuelta | 18/6/2024 – 3/4/2020 |
| Persona con control significativo | BOREHOLE SOLUTIONS GROUP LTD | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | BSL PRECISION ENGINEERING LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | BOREHOLE CALIBRATION AND TESTING SOLUTIONS LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | BOREHOLE SOLUTIONS (NORTH) LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
6/1/2021
appointed
13/9/2020
appointed
8/9/2017
appointed