| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | DUMBARTON PRECISION ENGINEERING (SCOTLAND) LTD | 🇬🇧Regno Unito | Active | 23/06/2024 – present |
| Person with significant control | SMITH ENGINEERING (SCOTLAND) LIMITED | 🇬🇧Regno Unito | Active | 05/04/2024 – 19/11/2025 |
| Officer | DUMBARTON PRECISION ENGINEERING (SCOTLAND) LTD | 🇬🇧Regno Unito | Active | 21/01/2026 – present |
| Officer | SMITH ENGINEERING (SCOTLAND) LIMITED | 🇬🇧Regno Unito | Active | 24/12/2025 – present |
19/11/2025
resigned
14/01/2017
appointed
16/12/2002
appointed