| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | GREENLANE BIOGAS EUROPE LIMITED | 🇬🇧Regno Unito | Active | 22/04/2026 – 03/06/2019 |
| Officer | CHESTERFIELD CYLINDERS LIMITED | 🇬🇧Regno Unito | Active | 05/01/2026 – present |
| Officer | PT PRECISION MACHINED COMPONENTS LIMITED | 🇬🇧Regno Unito | Active | 21/04/2026 – 08/10/2024 |
| Officer | MARTRACT LIMITED | 🇬🇧Regno Unito | Active | 09/03/2026 – 08/10/2024 |
| Officer | PRECISION MACHINED COMPONENTS LIMITED | 🇬🇧Regno Unito | Active | 30/03/2026 – present |
| Officer | PT BIOGAS TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 22/04/2026 – 03/06/2019 |
| Officer | PT BIOGAS HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 22/04/2026 – 03/06/2019 |
| Officer | CHESTERFIELD PRESSURE SYSTEMS GROUP LIMITED | 🇬🇧Regno Unito | Active | 18/05/2026 – present |
| Officer | CHESTERFIELD SPECIAL CYLINDERS HOLDINGS PLC | 🇬🇧Regno Unito | Active | 28/03/2026 – present |
| Officer | AQUASO LIMITED | 🇬🇧Regno Unito | Dissolved | 07/05/2026 – 04/08/2017 |
| Officer | TSC SUBSEA LTD | 🇬🇧Regno Unito | Active | 25/02/2026 – 04/08/2017 |
| Officer | MABLAW 555 LIMITED | — | Dissolved | 21/05/2026 – present |
08/10/2024
resigned
03/06/2019
resigned
01/06/2015
appointed