| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | SPECTRUM TECHNOLOGY LIMITED | 🇬🇧United Kingdom | Disuelta | 7/4/2026 – presente |
| Cargo | POSBROOK HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 19/1/2026 – 30/6/2025 |
| Cargo | BARFOOTS MANAGEMENT LIMITED | 🇬🇧United Kingdom | Activa | 19/4/2026 – 30/6/2025 |
| Cargo | HERRIARD BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 16/5/2026 – 15/4/2020 |
| Cargo | BARFOOT ENERGY PROJECTS LTD | 🇬🇧United Kingdom | Activa | 6/5/2026 – 15/4/2020 |
| Cargo | BZ RENEWABLES LIMITED | — | Disuelta | 4/6/2026 – presente |
30/6/2025
resigned
15/4/2020
resigned
4/6/2008
appointed