| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | KERR AND SMITH (GLASGOW) LIMITED | 🇬🇧United Kingdom | Disuelta | 11/12/2025 – presente |
| Cargo | W & J SMITH HOLDINGS LTD | 🇬🇧United Kingdom | Activa | 10/2/2026 – presente |
| Cargo | POWERASIC LTD | 🇬🇧United Kingdom | Disuelta | 11/4/2026 – presente |
| Cargo | WJS PROJECT CONSULTING LTD | 🇬🇧United Kingdom | Disuelta | 14/1/2026 – presente |
| Cargo | KERR AND SMITH (CUMNOCK) LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – presente |
12/5/2026
United Kingdom → Scotland
11/4/2026
Scotland → United Kingdom
1/10/2007
appointed