| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | HELLENES LIMITED | 🇬🇧United Kingdom | Activa | 30/12/2025 – presente |
| Cargo | NOV HOLDING UK 1 LIMITED | 🇬🇧United Kingdom | Activa | 6/3/2026 – presente |
| Cargo | NOV HOLDING UK 2 LIMITED | 🇬🇧United Kingdom | Activa | 6/3/2026 – presente |
| Cargo | MSI PIPE PROTECTION TECHNOLOGIES UK LIMITED | 🇬🇧United Kingdom | Disuelta | 14/4/2026 – presente |
| Cargo | REEDHYCALOG UK LTD | 🇬🇧United Kingdom | Activa | 17/12/2025 – presente |
| Cargo | SLIP CLUTCH SYSTEMS LIMITED | 🇬🇧United Kingdom | Disuelta | 29/5/2026 – presente |
| Cargo | PIPEX PX LTD | 🇬🇧United Kingdom | Disuelta | 23/5/2026 – presente |
| Cargo | TUBOSCOPE VETCO CAPITAL LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | DNOW UK LIMITED | 🇬🇧United Kingdom | Activa | 8/5/2026 – 10/6/2014 |
| Cargo | NATIONAL OILWELL (U.K.) LIMITED | 🇬🇧United Kingdom | Activa | 15/12/2025 – 30/9/2015 |
| Cargo | CAPITAL VALVES HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 27/5/2026 – 10/6/2014 |
| Cargo | CAPITAL VALVES HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 27/5/2026 – 30/9/2011 |
| Cargo | ANS (1001) LTD | — | Disuelta | 4/6/2026 – presente |
| Cargo | NATIONAL OILWELL (U.K.) LIMITED | 🇬🇧United Kingdom | Activa | 15/12/2025 – 30/9/2011 |
| Cargo | ANS (1002) LIMITED | — | Disuelta | 4/6/2026 – presente |
| Cargo | TUBOSCOPE VETCO CAPITAL LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – 30/9/2011 |
14/4/2026
Scotland → United Kingdom
30/12/2025
United Kingdom → Scotland
11/9/2009
appointed