| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | D&C FLOORING LIMITED | 🇬🇧Regno Unito | Active | 02/10/2025 – present |
| Officer | D&C FLOORING LIMITED | 🇬🇧Regno Unito | Active | 16/03/2026 – present |
| Officer | JOHNSTON PIPE SOLUTIONS LIMITED | 🇬🇧Regno Unito | Active | 16/01/2026 – present |
| Person with significant control | JOHNSTON PIPE SOLUTIONS LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | JOHNSTON ENGINEERING GROUP LIMITED | 🇬🇧Regno Unito | Active | 23/06/2024 – present |
| Person with significant control | D J NUCLEAR LTD. | 🇬🇧Regno Unito | Proposal to strike off | 22/06/2024 – present |
| Person with significant control | — | — | Active | 21/06/2024 – present |
08/12/2025
England → Scotland
03/12/2025
Scotland → England
06/04/2016
appointed