| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | HOLRO ELECTRICAL LIMITED | 🇬🇧United Kingdom | Disuelta | 3/4/2026 – presente |
| Cargo | ROBHOL TECHNICAL LTD | 🇬🇧United Kingdom | Disuelta | 13/4/2026 – presente |
| Cargo | FALMOUTH LAUNCHPAD VENTURES LIMITED | 🇬🇧United Kingdom | Activa | 15/4/2026 – 22/5/2026 |
| Cargo | AVIONICS INCORPORATED LIMITED | 🇬🇧United Kingdom | Disuelta | 26/4/2026 – presente |
| Cargo | GOTGRUB LTD | 🇬🇧United Kingdom | Disuelta | 7/5/2026 – presente |
| Cargo | HOLMES TRAINING & CONSULTANCY LIMITED | — | Disuelta | 9/5/2026 – presente |
| Cargo | HOLMES AIRCRAFT SERVICES LTD | 🇬🇧United Kingdom | Disuelta | 28/5/2026 – presente |
22/5/2026
resigned
18/1/2021
appointed
25/1/2010
appointed