| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | TEESDALE MERCURY,LIMITED(THE) | 🇬🇧United Kingdom | Liquidación | 22/1/2025 – presente |
| Persona con control significativo | BARR & SONS LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Cargo | BARR & SONS LIMITED | 🇬🇧United Kingdom | Activa | 7/4/2026 – presente |
| Cargo | BARRNON MEDIA LIMITED | 🇬🇧United Kingdom | Activa | 24/3/2026 – presente |
| Cargo | BARRNON DEFENCE LIMITED | 🇬🇧United Kingdom | Activa | 24/3/2026 – presente |
| Persona con control significativo | BARRNON DEFENCE LIMITED | 🇬🇧United Kingdom | Activa | 24/6/2024 – presente |
| Persona con control significativo | DERWENT FLUID PROPERTIES LIMITED | 🇬🇧United Kingdom | Activa | 21/6/2024 – 20/2/2019 |
| Persona con control significativo | DERWENT FLUID POWER LIMITED | 🇬🇧United Kingdom | Liquidación | 26/6/2024 – 20/2/2019 |
| Cargo | DERWENT FLUID PROPERTIES LIMITED | 🇬🇧United Kingdom | Activa | 13/4/2026 – 20/2/2019 |
| Persona con control significativo | — | — | Activa | 22/6/2024 – presente |
| Persona con control significativo | BARRNON LTD | 🇬🇧United Kingdom | Activa | 13/6/2024 – presente |
| Persona con control significativo | BLADECUTTER LIMITED | — | Activa | 26/6/2024 – presente |
| Cargo | BARRNON NUCLEAR LIMITED | 🇬🇧United Kingdom | Activa | 24/3/2026 – presente |
| Cargo | BLADECUTTER LIMITED | — | Activa | 9/5/2026 – presente |
| Cargo | SEAFOOD ALLIANCE LIMITED | — | Disuelta | 21/5/2026 – 1/12/2012 |
9/5/2026
United Kingdom → England
8/12/2025
England → United Kingdom
8/12/2011
appointed