| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | PARKER ENVIRONMENTAL SERVICES HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
| Officer | PARKER ENVIRONMENTAL SERVICES HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
| Person with significant control | PARKER ENVIRONMENTAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – 16/01/2026 |
| Officer | NUCLEAR DUCTWORK SYSTEMS LIMITED | — | Active | 09/02/2026 – present |
| Officer | NUCLEAR VENTILATION SYSTEMS LIMITED | — | Active | 09/02/2026 – present |
| Officer | PARKER NUCLEAR SERVICES UK LIMITED | — | Active | 09/02/2026 – present |
| Officer | NUCLEAR VENTILATION PROJECTS LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
| Officer | NUCLEAR MANUFACTURING PROJECTS LIMITED | — | Active | 09/02/2026 – present |
| Officer | NUCLEAR MANUFACTURING SERVICES LIMITED | — | Active | 09/02/2026 – present |
| Officer | PARKER ENVIRONMENTAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
| Officer | PARKER ENVIRONMENTAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
16/01/2026
resigned
16/01/2026
appointed
13/04/1999
appointed