| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | NORTON ENVIRONMENTAL SERVICES LIMITED | — | Disuelta | 10/6/2026 – presente |
| Cargo | FLUIDAIR LIMITED | 🇬🇧United Kingdom | Activa | 1/6/2026 – 29/11/2021 |
| Cargo | MID-TECH SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 2/6/2026 – 23/8/2018 |
| Cargo | NORTON ENVIRONMENTAL SERVICES LIMITED | — | Disuelta | 10/6/2026 – presente |
| Cargo | COLDLINE SERVICES LIMITED | — | Disuelta | 12/6/2026 – presente |
| Cargo | THAMES COMPRESSED AIR SERVICES LIMITED | — | Activa | 12/6/2026 – 29/9/2021 |
| Cargo | TFG (GROUP) LIMITED | — | Activa | 12/6/2026 – 29/9/2021 |
29/11/2021
resigned
29/9/2021
resigned
20/7/2006
appointed