| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | SUB SURFACE NORTH WEST LIMITED | 🇬🇧Regno Unito | Active | 24/06/2024 – present |
| Person with significant control | SUB SURFACE NORTH EAST LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | SUB SURFACE LIMITED | 🇬🇧Regno Unito | Active | 13/06/2024 – present |
| Person with significant control | SUB SURFACE LABORATORIES LIMITED | 🇬🇧Regno Unito | Active | 22/06/2024 – present |
| Person with significant control | CLIFFORD MARSDEN SERVICES LIMITED | 🇬🇧Regno Unito | Active | 20/06/2024 – present |
| Person with significant control | SUB SURFACE CONSULTANTS LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | SUB SURFACE SOUTH EAST LIMITED | 🇬🇧Regno Unito | Active | 23/06/2024 – present |
| Person with significant control | SUB SURFACE MIDLANDS LIMITED | 🇬🇧Regno Unito | Active | 11/06/2024 – present |
06/04/2016
appointed