| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | TEESSIDE BIO FUELS LIMITED | 🇬🇧United Kingdom | Disuelta | 25/3/2026 – 1/12/2016 |
| Cargo | NORTH LANARKSHIRE BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 7/1/2026 – 1/12/2016 |
| Cargo | AVONMOUTH BIO POWER CONTRACTING LIMITED | 🇬🇧United Kingdom | Disuelta | 30/5/2026 – 29/3/2018 |
| Cargo | AVONMOUTH BIO POWER PROPERTY LIMITED | 🇬🇧United Kingdom | Disuelta | 23/5/2026 – 29/3/2018 |
| Cargo | AVONMOUTH BIO POWER ENERGY LIMITED | 🇬🇧United Kingdom | Disuelta | 20/5/2026 – 29/3/2018 |
| Cargo | AVONMOUTH BIO POWER (OPERATIONS) LIMITED | 🇬🇧United Kingdom | Disuelta | 3/5/2026 – 29/3/2018 |
| Cargo | AVONMOUTH BIO POWER LIMITED | 🇬🇧United Kingdom | Disuelta | 4/5/2026 – 29/3/2018 |
| Cargo | BIOGEN PROJECTS LIMITED | 🇬🇧United Kingdom | Disuelta | 2/5/2026 – 1/12/2016 |
| Cargo | AVON BIO POWER LIMITED | 🇬🇧United Kingdom | Disuelta | 3/5/2026 – 3/5/2017 |
| Cargo | SEVERN BIO POWER LIMITED | 🇬🇧United Kingdom | Disuelta | 3/5/2026 – 3/5/2017 |
| Cargo | KAZ RESERO POWER (UK) LIMITED | 🇬🇧United Kingdom | Disuelta | 5/5/2026 – 1/12/2016 |
| Cargo | EASTHAM BIO POWER LIMITED | 🇬🇧United Kingdom | Disuelta | 25/3/2026 – 3/5/2017 |
| Cargo | STANLOW BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 5/5/2026 – 10/9/2019 |
| Cargo | DARTMOOR OPERATIONS LIMITED | 🇬🇧United Kingdom | Disuelta | 5/5/2026 – 8/11/2017 |
| Cargo | DARTMOOR BIO POWER LIMITED | — | Disuelta | 5/5/2026 – 8/11/2017 |
| Cargo | HOOTON BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 7/5/2026 – 3/5/2017 |
| Cargo | PEBBLEHALL BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 16/2/2026 – 12/4/2021 |
| Cargo | CG REALISATIONS 2023 LIMITED | — | Liquidación | 30/12/2025 – 11/3/2021 |
| Cargo | CARBONARIUS3 LIMITED | — | Disuelta | 13/5/2026 – presente |
| Cargo | TYSELEY BIO POWER LIMITED | — | Disuelta | 14/5/2026 – 21/3/2022 |
| Cargo | WELLAND BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 17/2/2026 – 12/4/2021 |
| Cargo | CARBONARIUS2 LIMITED | 🇬🇧United Kingdom | Disuelta | 18/5/2026 – 15/4/2024 |
| Cargo | ALMONDBANK POWER LIMITED | — | Disuelta | 19/5/2026 – presente |
| Cargo | BIRMINGHAM BIO POWER LIMITED | 🇬🇧United Kingdom | Activa | 18/5/2026 – 19/3/2021 |
| Cargo | O-GEN UK LIMITED | 🇬🇧United Kingdom | Activa | 2/6/2026 – 30/11/2020 |
| Cargo | O-GEN DEVTREK LIMITED | 🇬🇧United Kingdom | Disuelta | 3/6/2026 – presente |
| Cargo | O-GEN EXTREK LIMITED | 🇬🇧United Kingdom | Disuelta | 3/6/2026 – presente |
| Cargo | O-GEN PLYMTREK LIMITED | — | Disuelta | 3/6/2026 – 2/6/2015 |
| Cargo | O-GEN UNA GROUP LIMITED | 🇬🇧United Kingdom | Disuelta | 4/6/2026 – presente |
| Cargo | O-GEN BCTREK LIMITED | 🇬🇧United Kingdom | Disuelta | 4/6/2026 – presente |
| Cargo | O-GEN ENERGY LIMITED | — | Disuelta | 5/6/2026 – presente |
| Cargo | OGEN LIMITED | — | Disuelta | 12/6/2026 – presente |
| Cargo | STOKE ENERGY LIMITED | 🇬🇧United Kingdom | Disuelta | 28/2/2026 – 4/1/2017 |
| Cargo | MES ENVIRONMENTAL LIMITED | 🇬🇧United Kingdom | Liquidación | 19/3/2026 – 18/8/2000 |
15/4/2024
resigned
21/3/2022
resigned
11/12/2012
appointed