| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | GREAT BRITISH RAILWAYS TRANSITION TEAM LIMITED | 🇬🇧United Kingdom | Activa | 28/3/2026 – 28/2/2025 |
| Cargo | ANNIVERSARY TRADING LIMITED | 🇬🇧United Kingdom | Activa | 28/3/2026 – presente |
| Cargo | CENTRICA PLC | 🇬🇧United Kingdom | Activa | 4/1/2026 – 31/12/2025 |
| Cargo | MARKET OPERATOR SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 8/5/2026 – 15/12/2017 |
| Cargo | NWG COMMERCIAL SOLUTIONS LIMITED | 🇬🇧United Kingdom | Activa | 10/3/2026 – presente |
| Cargo | CKI UK CO 5 LIMITED | 🇬🇧United Kingdom | Activa | 4/2/2026 – presente |
| Cargo | CKI UK CO 6 LIMITED | — | Activa | 4/2/2026 – presente |
| Cargo | UK WATER (2011) LIMITED | 🇬🇧United Kingdom | Disuelta | 24/5/2026 – presente |
| Cargo | KIELDER WATER & FOREST PARK DEVELOPMENT TRUST | 🇬🇧United Kingdom | Activa | 4/2/2026 – presente |
| Cargo | NORTHUMBRIAN WATER FINANCE PLC | 🇬🇧United Kingdom | Activa | 15/12/2025 – presente |
| Cargo | WATER UK | 🇬🇧United Kingdom | Activa | 30/3/2026 – presente |
| Cargo | NORTHUMBRIAN WATER GROUP LIMITED | 🇬🇧United Kingdom | Activa | 8/5/2026 – presente |
31/12/2025
resigned
28/2/2025
resigned
1/3/2010
appointed