| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HYMARNHAM POWER (NOTTINGHAM) LIMITED | 🇬🇧United Kingdom | Active | 19/03/2026 – present |
| Officer | HYMARNHAM POWER LIMITED | 🇬🇧United Kingdom | Active | 21/03/2026 – present |
| Officer | GEOPURA LTD | 🇬🇧United Kingdom | Active | 10/03/2026 – present |
| Person with significant control | DGB CONSULTANTS LIMITED | 🇬🇧United Kingdom | Active | 24/06/2024 – present |
| Officer | DGB CONSULTANTS LIMITED | 🇬🇧United Kingdom | Active | 24/12/2025 – present |
| Officer | TEKMAR GROUP PLC | 🇬🇧United Kingdom | Active | 16/04/2026 – 31/03/2023 |
| Officer | TEKMAR POLYURETHANES LIMITED | 🇬🇧United Kingdom | Active | 09/06/2026 – 31/03/2023 |
| Officer | RYDER GEOTECHNICAL LIMITED | 🇬🇧United Kingdom | Active | 23/04/2026 – 31/03/2023 |
| Officer | AGILETEK ENGINEERING LIMITED | 🇬🇧United Kingdom | Active | 08/05/2026 – 31/03/2023 |
| Officer | TEKMAR GROUP PLC | 🇬🇧United Kingdom | Active | 16/04/2026 – 01/12/2022 |
| Officer | TEKMAR LIMITED | 🇬🇧United Kingdom | Active | 22/05/2026 – 31/03/2023 |
| Officer | TEKMAR HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 22/05/2026 – 31/03/2023 |
| Officer | TEKMAR EBT LIMITED | 🇬🇧United Kingdom | Active | 19/05/2026 – 31/03/2023 |
| Officer | KROMEK (GERMANY) LIMITED | 🇬🇧United Kingdom | Active | 14/05/2026 – 31/10/2020 |
| Officer | KROMEK (GERMANY) LIMITED | 🇬🇧United Kingdom | Active | 14/05/2026 – 31/10/2020 |
| Officer | KROMEK GROUP PLC | — | Active | 14/05/2026 – 31/10/2020 |
| Officer | KROMEK GROUP PLC | — | Active | 14/05/2026 – 31/10/2020 |
| Officer | DB LMS LIMITED | — | Dissolved | 27/05/2026 – present |
22/03/2024
appointed
21/12/2023
appointed
08/06/2010
appointed