| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | BLACKTHORN TIMBER CONSERVATORIES LIMITED | 🇬🇧United Kingdom | Disuelta | 4/5/2026 – presente |
| Cargo | BLACKTHORN TIMBER WINDOWS (YORKSHIRE) LIMITED | 🇬🇧United Kingdom | Disuelta | 5/5/2026 – presente |
| Cargo | BLACKTHORN TIMBER LIMITED | 🇬🇧United Kingdom | Activa | 5/5/2026 – 24/10/2025 |
| Cargo | BLACKTHORN TIMBER WINDOWS (NE) LIMITED | 🇬🇧United Kingdom | Activa | 29/5/2026 – 24/10/2025 |
| Cargo | ALLAN BROTHERS LIMITED | 🇬🇧United Kingdom | Activa | 12/6/2026 – 28/10/2009 |
24/10/2025
resigned
12/5/2015
appointed
2/7/2007
appointed