| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | CHESHAM ESTATES (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Active | 24/04/2024 – present |
| Person with significant control | THE AEROGEN COMPANY LIMITED | 🇬🇧Regno Unito | Active | 24/04/2024 – 07/01/2022 |
| Person with significant control | AEROGEN HOLDINGS LIMITED | — | Active | 23/04/2024 – present |
| Person with significant control | THE AEROGEN INTERNATIONAL LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | AEROGEN LIMITED | — | Active | 22/04/2024 – 04/06/2020 |
| Person with significant control | AEON ELECTRONIC PROTECTION SYSTEMS LTD | 🇬🇧Regno Unito | Active | 23/06/2024 – present |
| Person with significant control | CHESHAM ESTATES LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 04/08/2020 |
| Officer | CHESHAM ESTATES (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Active | 15/05/2026 – present |
| Officer | AEROGEN HOLDINGS LIMITED | — | Active | 30/03/2026 – present |
| Officer | TCP140113 LIMITED | — | Dissolved | 16/05/2026 – present |
| Officer | AEROGEN LIMITED | — | Active | 30/03/2026 – present |
| Officer | CHESHAM ESTATES LIMITED | 🇬🇧Regno Unito | Active | 03/06/2026 – present |
| Officer | THE AEROGEN COMPANY LIMITED | 🇬🇧Regno Unito | Active | 02/01/2026 – present |
07/01/2022
resigned
04/08/2020
resigned
30/03/2005
appointed