| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | FORAGER FEEDS LIMITED | 🇬🇧Regno Unito | Active | 20/03/2026 – present |
| Officer | ANAEROBIC DIGESTION ASSET MAINTENANCE (ADAM) LIMITED | 🇬🇧Regno Unito | Active | 23/03/2026 – present |
| Officer | ORBIS INDUSTRIA LIMITED | 🇬🇧Regno Unito | Active | 30/03/2026 – present |
| Officer | COCKSPARROW BIOGAS LIMITED | 🇬🇧Regno Unito | Dissolved | 03/04/2026 – present |
| Officer | SMART-OPS (BIOGAS) LIMITED | 🇬🇧Regno Unito | Active | 06/04/2026 – present |
| Officer | AD-DITIVE BIOGAS PRODUCTS LIMITED | 🇬🇧Regno Unito | Active | 07/04/2026 – present |
| Officer | PEOPLE NUDGE LTD | 🇬🇧Regno Unito | Active | 10/04/2026 – present |
| Officer | BIOMASS FUTURE GENERATION LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | RIVERSIDE BIOMETHANE LIMITED | 🇬🇧Regno Unito | Dissolved | 16/04/2026 – present |
| Officer | MNT HULEY BIOGAS LIMITED | 🇬🇧Regno Unito | Dissolved | 16/04/2026 – present |
| Officer | METHANUM BUNTINGFORD LIMITED | 🇬🇧Regno Unito | Active | 16/04/2026 – present |
| Officer | METHANUM LUDLOW LIMITED | 🇬🇧Regno Unito | Dissolved | 16/04/2026 – present |
| Officer | PLUM BIOGAS LTD | 🇬🇧Regno Unito | Dissolved | 17/04/2026 – present |
| Officer | HULAM FARM BIOGAS LTD | 🇬🇧Regno Unito | Dissolved | 17/04/2026 – 08/01/2019 |
| Officer | THE ORGANIC GAS CO LTD | 🇬🇧Regno Unito | Dissolved | 17/04/2026 – present |
| Officer | KATHAROS ORGANIC LIMITED | 🇬🇧Regno Unito | Active | 05/02/2026 – present |
| Officer | METHANUM THAXTED LIMITED | 🇬🇧Regno Unito | Active | 19/04/2026 – present |
| Officer | COCKSPARROW BIOGAS LIMITED | 🇬🇧Regno Unito | Dissolved | 07/06/2026 – present |
| Officer | METHANUM PROPERTY LIMITED | 🇬🇧Regno Unito | Active | 19/04/2026 – present |
| Officer | METHANUM LIMITED | 🇬🇧Regno Unito | Active | 30/04/2026 – present |
| Officer | BIOWATT BIOGAS LIMITED | 🇬🇧Regno Unito | Active | 02/04/2026 – present |
| Officer | BRIGG LANE BIOGAS LIMITED | 🇬🇧Regno Unito | Active | 27/04/2026 – 07/12/2018 |
| Officer | MARSH FARM BIOGAS LIMITED | 🇬🇧Regno Unito | Active | 16/05/2026 – present |
| Officer | BIOWATT ENERGY LIMITED | 🇬🇧Regno Unito | Active | 22/04/2026 – present |
| Officer | BIOWATT SITE SERVICES LIMITED | 🇬🇧Regno Unito | Active | 01/05/2026 – present |
| Officer | OSCTSO2 LIMITED | — | Dissolved | 10/05/2026 – present |
| Officer | OSCTSO1 LIMITED | — | Dissolved | 10/05/2026 – present |
| Officer | BIOWATT HOLDINGS LTD | — | Dissolved | 10/05/2026 – present |
| Officer | THE GREEN COMPOSTING GROUP LIMITED | 🇬🇧Regno Unito | Dissolved | 13/05/2026 – present |
| Officer | THE GREEN COMPOSTING COMPANY (P) LTD | 🇬🇧Regno Unito | Dissolved | 13/05/2026 – present |
| Officer | THE GREEN COMPOSTING COMPANY LIMITED | — | Dissolved | 13/05/2026 – present |
| Officer | BIOWATT GROUP LTD | — | Dissolved | 13/05/2026 – present |
| Officer | BIOWATT ENGINEERING LIMITED | — | Dissolved | 16/05/2026 – present |
| Officer | WERT124 LTD | — | Dissolved | 18/05/2026 – present |
| Officer | BIOWATT DEVELOPMENTS LIMITED | 🇬🇧Regno Unito | Active | 18/12/2025 – present |
24/01/2024
appointed
12/04/2023
appointed
19/09/2011
appointed