| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ECO ENERGY CDL OP LTD | 🇬🇧Regno Unito | Proposal to strike off | 25/03/2026 – 25/07/2018 |
| Officer | ECO ENERGY TA OP LTD | 🇬🇧Regno Unito | Proposal to strike off | 20/03/2026 – 25/07/2018 |
| Officer | ECHO ENERGY C D AND LLC LTD | 🇬🇧Regno Unito | Proposal to strike off | 20/03/2026 – 25/07/2018 |
| Officer | ECHO ENERGY TAPI AIKE LTD | 🇬🇧Regno Unito | Proposal to strike off | 25/03/2026 – 25/07/2018 |
| Officer | ECHO ENERGY ARGENTINA HOLDINGS LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 25/03/2026 – 25/07/2018 |
| Officer | CLUFF GEOTHERMAL LIMITED | — | Dissolved | 27/05/2026 – 30/09/2018 |
| Officer | HOTSPUR GEOTHERMAL LIMITED | — | Dissolved | 02/05/2026 – 30/09/2018 |
| Officer | ECHO ENERGY HOLDINGS (UK) LTD | 🇬🇧Regno Unito | Active | 21/04/2026 – 25/07/2018 |
| Officer | CORO EUROPE LIMITED | 🇬🇧Regno Unito | Active | 22/01/2026 – 15/01/2019 |
| Officer | SERICA UK EXPLORATION LIMITED | 🇬🇧Regno Unito | Active | 17/05/2026 – 27/07/2018 |
| Officer | APPLERIGG SERVICES LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 31/12/2025 – 22/11/2018 |
| Officer | THE PRIVATE INVESTMENT OFFICE LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 31/12/2025 – 22/11/2018 |
| Officer | SCHOLIUM TRADING LIMITED | 🇬🇧Regno Unito | Active | 12/05/2026 – 30/05/2018 |
| Officer | SHAPERO RARE BOOKS LIMITED | 🇬🇧Regno Unito | Active | 02/06/2026 – 29/03/2022 |
| Officer | BAYFIELD ENERGY NEW VENTURES LIMITED | 🇬🇧Regno Unito | Dissolved | 25/05/2026 – present |
| Officer | BAYFIELD ENERGY (ALPHA) LTD | 🇬🇧Regno Unito | Dissolved | 26/05/2026 – present |
| Officer | BAYFIELD ENERGY LIMITED | 🇬🇧Regno Unito | Active | 25/02/2026 – 28/09/2018 |
| Officer | TRINITY EXPLORATION AND PRODUCTION SERVICES (UK) LIMITED | 🇬🇧Regno Unito | Active | 25/02/2026 – 28/09/2018 |
| Officer | TRINITY EXPLORATION & PRODUCTION (UK) LIMITED | 🇬🇧Regno Unito | Active | 26/02/2026 – 28/09/2018 |
| Officer | ZOOM COMMUNICATIONS (UK) PLC | 🇬🇧Regno Unito | Dissolved | 22/05/2026 – 01/03/2013 |
| Officer | TRAPEZIUM CAPITAL MANAGEMENT LIMITED | — | Dissolved | 25/05/2026 – 16/02/2011 |
| Officer | AMBA NOMINEES LIMITED | — | Dissolved | 12/06/2026 – present |
| Officer | AMBA DIRECTORS LIMITED | — | Dissolved | 12/06/2026 – present |
| Officer | CONNECTA HOLDINGS LIMITED | — | Dissolved | 12/06/2026 – 06/03/2008 |
| Officer | AMBA SECRETARIES LIMITED | 🇬🇧Regno Unito | Active | 12/06/2026 – present |
| Officer | AMBA COMPANY SECRETARIAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 12/06/2026 – present |
29/03/2022
resigned
15/01/2019
resigned
14/07/2006
appointed