| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | TEESDALE MERCURY,LIMITED(THE) | 🇬🇧Regno Unito | Liquidation | 22/01/2025 – present |
| Person with significant control | BARR & SONS LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Officer | BARR & SONS LIMITED | 🇬🇧Regno Unito | Active | 07/04/2026 – present |
| Officer | BARRNON MEDIA LIMITED | 🇬🇧Regno Unito | Active | 24/03/2026 – present |
| Officer | BARRNON DEFENCE LIMITED | 🇬🇧Regno Unito | Active | 24/03/2026 – present |
| Person with significant control | BARRNON DEFENCE LIMITED | 🇬🇧Regno Unito | Active | 24/06/2024 – present |
| Person with significant control | DERWENT FLUID PROPERTIES LIMITED | 🇬🇧Regno Unito | Active | 21/06/2024 – 20/02/2019 |
| Person with significant control | DERWENT FLUID POWER LIMITED | 🇬🇧Regno Unito | Liquidation | 26/06/2024 – 20/02/2019 |
| Officer | DERWENT FLUID PROPERTIES LIMITED | 🇬🇧Regno Unito | Active | 13/04/2026 – 20/02/2019 |
| Person with significant control | — | — | Active | 22/06/2024 – present |
| Person with significant control | BARRNON LTD | 🇬🇧Regno Unito | Active | 13/06/2024 – present |
| Person with significant control | BLADECUTTER LIMITED | — | Active | 26/06/2024 – present |
| Officer | BARRNON NUCLEAR LIMITED | 🇬🇧Regno Unito | Active | 24/03/2026 – present |
| Officer | BLADECUTTER LIMITED | — | Active | 09/05/2026 – present |
| Officer | SEAFOOD ALLIANCE LIMITED | — | Dissolved | 21/05/2026 – 01/12/2012 |
09/05/2026
United Kingdom → England
08/12/2025
England → United Kingdom
08/12/2011
appointed