| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | STREETWISE OPERA | 🇬🇧United Kingdom | Activa | 3/2/2026 – presente |
| Cargo | LABORATORY IT CONSULTING LIMITED | 🇬🇧United Kingdom | Disuelta | 18/3/2026 – presente |
| Cargo | PORT INVEST LIMITED | 🇬🇧United Kingdom | Activa | 9/5/2026 – 19/9/2018 |
| Cargo | DEJ CONSULTING LTD | 🇬🇧United Kingdom | Activa | 11/2/2026 – presente |
| Cargo | D JOHNSON TECHNICAL SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 10/2/2026 – presente |
| Cargo | DAVID JOHNSON OVERHEAD LINES LTD | — | Activa | 14/5/2026 – presente |
| Cargo | CROMWELL PROJECTS LIMITED | — | Disuelta | 4/6/2026 – presente |
| Cargo | DJM FABRICATION LIMITED | — | Disuelta | 6/6/2026 – presente |
| Cargo | D JOHNSON DRIVER SERVICES LIMITED | — | Disuelta | 7/6/2026 – presente |
| Cargo | D S ELECTRICAL SERVICES UK LIMITED | — | Activa | 14/6/2026 – 18/10/2010 |
14/6/2026
United Kingdom → England
4/6/2026
England → United Kingdom
12/1/2006
appointed