| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | GHJ BIOGAS POLAND LTD | 🇬🇧United Kingdom | Active | 20/06/2024 – present |
| Officer | GHJ BIOGAS POLAND LTD | 🇬🇧United Kingdom | Active | 17/12/2025 – present |
| Officer | GMT BIOGAS LIMITED | 🇬🇧United Kingdom | Active | 11/04/2026 – present |
| Officer | ALBION BIOMETHANE INVESTMENTS LTD | 🇬🇧United Kingdom | Active | 10/02/2026 – present |
| Person with significant control | HALLWICK BIOMETHANE INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Officer | HALLWICK BIOMETHANE INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 18/02/2026 – present |
| Person with significant control | NATURA BIOCHAR LTD | 🇬🇧United Kingdom | Dissolved | 26/06/2024 – present |
| Officer | NATURA BIOCHAR LTD | 🇬🇧United Kingdom | Dissolved | 30/03/2026 – present |
| Person with significant control | GHJ BIOGAS LTD | 🇬🇧United Kingdom | Active | 22/06/2024 – present |
| Officer | GHJ BIOGAS LTD | 🇬🇧United Kingdom | Active | 07/04/2026 – present |
| Person with significant control | RIKA BIOFUEL DEVELOPMENTS LTD | — | Active | 19/06/2024 – present |
| Person with significant control | HALLWICK LTD | 🇬🇧United Kingdom | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | HALLWICK INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | RIKA BIOFUELS LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – 25/02/2020 |
| Officer | RIKA BIOGAS TECHNOLOGIES LTD | 🇬🇧United Kingdom | Active | 10/06/2026 – present |
| Officer | RIKA BIOFUEL DEVELOPMENTS LTD | — | Active | 10/05/2026 – present |
17/03/2024
appointed
01/03/2024
appointed
10/04/2014
appointed