| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | OOTER LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | JOHNSTON BOSS PROPERTIES LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | LANDSCAPES PLUS LTD | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | — | — | Active | 18/06/2024 – present |
| Person with significant control | — | — | Active | 19/06/2024 – present |
| Person with significant control | JOHNSTON JOINERS LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SUBSEA WELLSYSTEMS ENGINEERING LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
16/11/2021
appointed
19/03/2020
appointed
06/04/2016
appointed