| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | RENEWABLE ASSOCIATES LIMITED | 🇬🇧United Kingdom | Disuelta | 23/4/2026 – presente |
| Cargo | LIETCORP LIMITED | — | Disuelta | 11/5/2026 – 5/6/2014 |
| Cargo | OCEAN LED MARINE LIMITED | 🇬🇧United Kingdom | Activa | 28/4/2026 – 20/6/2014 |
| Cargo | ENERGY WORKS INVESTMENTS PLC | — | Disuelta | 14/5/2026 – 13/1/2014 |
| Cargo | BRADFORD ENERGY RECOVERY LIMITED | — | Disuelta | 3/6/2026 – 16/1/2013 |
| Cargo | DUDLEY ENERGY RECOVERY LIMITED | — | Disuelta | 3/6/2026 – 16/1/2013 |
| Cargo | FLEETWOOD ENERGY RECOVERY LIMITED | — | Disuelta | 4/6/2026 – 16/1/2013 |
| Cargo | BEDFORD ENERGY RECOVERY LIMITED | — | Disuelta | 4/6/2026 – 16/1/2013 |
| Cargo | NEWPORT ENERGY RECOVERY LIMITED | — | Disuelta | 4/6/2026 – 16/1/2013 |
| Cargo | KNOWSLEY ENERGY RECOVERY LIMITED | 🇬🇧United Kingdom | Activa | 30/5/2026 – 16/1/2013 |
| Cargo | ENER-G SUSTAINABLE TECHNOLOGIES LIMITED | — | Disuelta | 2/6/2026 – 30/5/2013 |
| Cargo | SATCHWELL CONTROL SYSTEMS LIMITED | — | Disuelta | 14/6/2026 – 18/1/2008 |
| Cargo | SIEBE ENVIRONMENTAL SYSTEMS (EUROPE) LIMITED | 🇬🇧United Kingdom | Disuelta | 17/12/2025 – presente |
28/4/2026
England → United Kingdom
23/4/2026
United Kingdom → England
1/1/2007
appointed