| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | WEST HILL WAGON WORKS LTD | — | Dissolved | 26/06/2024 – present |
| Person with significant control | CARALLON LTD | 🇬🇧Regno Unito | Active | 26/06/2024 – 01/02/2017 |
| Person with significant control | PHAROS ARCHITECTURAL CONTROLS LIMITED | 🇬🇧Regno Unito | Active | 21/06/2024 – present |
| Person with significant control | BROMPTON TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 01/08/2016 |
| Person with significant control | PHAROS CONTROLS LIMITED | 🇬🇧Regno Unito | Active | 11/06/2024 – 30/01/2026 |
| Person with significant control | CARALLON HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 01/07/2016 |
30/01/2026
resigned
24/02/2020
appointed
01/07/2016
resigned