| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | LANDMARK KNYPERSLEY LIMITED | 🇬🇧Regno Unito | Active | 03/02/2026 – 24/09/2025 |
| Officer | LANDMARK TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 09/04/2026 – 24/09/2025 |
| Officer | LANDMARK POWER LTD | 🇬🇧Regno Unito | Active | 10/04/2026 – 24/09/2025 |
| Officer | XERO CARBON CYCLE LIMITED | 🇬🇧Regno Unito | Active | 07/04/2026 – 24/09/2025 |
| Officer | LANDMARK INDUSTRIAL HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 08/04/2026 – 24/09/2025 |
| Officer | METHANATION TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 03/02/2026 – 24/09/2025 |
| Officer | GRAPHITE TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 03/02/2026 – 24/09/2025 |
| Officer | POWERBOX ENERGY SOLUTIONS LIMITED | 🇬🇧Regno Unito | Dissolved | 14/01/2026 – 07/05/2025 |
| Officer | CARBON CAPTURE REUSE LIMITED | 🇬🇧Regno Unito | Active | 03/02/2026 – 24/09/2025 |
| Officer | XERO EMISSIONS POWER LIMITED | 🇬🇧Regno Unito | Dissolved | 07/04/2026 – present |
| Officer | CARBON CAPTURE TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 29/12/2025 – 24/09/2025 |
24/09/2025
resigned
07/05/2025
resigned
30/06/2023
appointed