| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | JAVA (ML94) LIMITED | 🇬🇧United Kingdom | Activa | 28/1/2026 – presente |
| Persona con control significativo | SOS DRAINS LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Persona con control significativo | JOHNSTON FUELS LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Cargo | HERNING WIND LIMITED | 🇬🇧United Kingdom | Activa | 28/4/2026 – presente |
| Cargo | SOS DRAINS LIMITED | 🇬🇧United Kingdom | Activa | 2/3/2026 – presente |
| Persona con control significativo | DXB PROPERTY LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Cargo | DXB PROPERTY LIMITED | 🇬🇧United Kingdom | Activa | 8/1/2026 – presente |
| Cargo | CIRRUS WIND SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 15/5/2026 – presente |
| Cargo | J. W. JOHNSTON LIMITED | 🇬🇧United Kingdom | Activa | 28/1/2026 – 1/2/2018 |
| Persona con control significativo | J GAS LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Cargo | JOHNSTON FUELS LIMITED | 🇬🇧United Kingdom | Activa | 26/1/2026 – presente |
| Cargo | LIQUID GAS UK LTD | 🇬🇧United Kingdom | Activa | 15/5/2026 – presente |
15/5/2026
Scotland → United Kingdom
28/1/2026
United Kingdom → Scotland
1/1/2014
appointed