| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | CLEANROOM PROJECTS GROUP LIMITED | 🇬🇧Regno Unito | Active | 31/10/2025 – present |
| Officer | CLEANROOM FURNITURE LIMITED | 🇬🇧Regno Unito | Active | 16/03/2026 – present |
| Officer | SHAW MARSH LIMITED | 🇬🇧Regno Unito | Active | 03/02/2026 – present |
| Person with significant control | NTPA CONSULTANTS LTD | 🇬🇧Regno Unito | Active | 24/11/2023 – present |
| Officer | NTPA CONSULTANTS LTD | 🇬🇧Regno Unito | Active | 19/04/2026 – present |
| Officer | THOMDERN LIMITED | 🇬🇧Regno Unito | Active | 21/04/2026 – present |
| Officer | ENVAIR HOLDINGS LIMITED | — | Dissolved | 21/04/2026 – 18/07/2019 |
| Person with significant control | ENVAIR HOLDINGS LIMITED | — | Dissolved | 19/06/2024 – 18/07/2019 |
| Person with significant control | CLEANROOM PROJECTS HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 15/06/2024 – 07/10/2025 |
| Officer | CLEANROOM PROJECTS HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 24/02/2026 – present |
| Person with significant control | THOMDERN LIMITED | 🇬🇧Regno Unito | Active | 24/06/2024 – present |
| Person with significant control | DERNTHOM LIMITED | 🇬🇧Regno Unito | Active | 25/06/2024 – present |
| Officer | DERNTHOM LIMITED | 🇬🇧Regno Unito | Active | 21/04/2026 – present |
| Officer | BASSAIRE ENVIRONMENTAL LTD | — | Dissolved | 16/06/2026 – present |
| Officer | VARIANT SUPPLIES LIMITED | — | Dissolved | 21/04/2026 – present |
| Officer | PROVENT ENERGY LIMITED | 🇬🇧Regno Unito | Active | 18/03/2026 – 02/07/2019 |
| Officer | BARRAKAV PROPERTIES (SALISBURY) LIMITED | 🇬🇧Regno Unito | Active | 18/03/2026 – present |
| Officer | BASSAIRE HVAC LTD | 🇬🇧Regno Unito | Active | 18/03/2026 – present |
| Officer | BARRAKAV PROPERTIES (PORTSMOUTH) LIMITED | 🇬🇧Regno Unito | Active | 18/03/2026 – present |
| Officer | CLEANROOM PROJECTS LIMITED | 🇬🇧Regno Unito | Active | 18/03/2026 – present |
| Officer | — | — | Active | 18/03/2026 – present |
| Officer | BROAD ENERGY LIMITED | 🇬🇧Regno Unito | Dissolved | 18/03/2026 – present |
| Officer | ENVAIR LIMITED | 🇬🇧Regno Unito | Active | 18/03/2026 – 18/07/2019 |
| Officer | — | — | Active | 18/03/2026 – present |
| Officer | BASSAIRE LIMITED | 🇬🇧Regno Unito | Active | 18/03/2026 – 25/03/2010 |
| Officer | — | — | Active | 18/03/2026 – present |
| Officer | BASSAIRE CLEANROOMS LTD | 🇬🇧Regno Unito | Active | 18/03/2026 – present |
| Officer | — | — | Active | 18/03/2026 – present |
| Officer | BASSAIRE LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
| Officer | — | — | Active | 18/03/2026 – present |
19/04/2026
England → United Kingdom
16/03/2026
United Kingdom → England
31/03/2005
appointed