| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | TAXCORP UK LIMITED | — | Disuelta | 3/6/2026 – 10/6/2011 |
| Cargo | RED CURL CONSULTANCY LIMITED | — | Disuelta | 13/6/2026 – presente |
| Cargo | ROMICA ENGINEERING LIMITED | 🇬🇧United Kingdom | Activa | 20/1/2026 – presente |
| Cargo | DAVID RITCHIE LIMITED | 🇬🇧United Kingdom | Activa | 12/3/2026 – presente |
10/6/2011
resigned
28/6/2010
appointed
26/3/2003
appointed