| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | BARRIER ENERGY LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | GLOBAL FABRICATION LTD | 🇬🇧Regno Unito | Active | 16/03/2026 – 14/08/2024 |
| Officer | BARRIER INDUSTRIAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | TS NIALD LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Person with significant control | TS NIALD LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | ALDERSON FAMILY INVESTCO LIMITED | 🇬🇧Regno Unito | Active | 17/04/2024 – present |
| Officer | ALDERSON FAMILY INVESTCO LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | CORE INDUSTRIAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | BARRIER HVAC LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | BARRIER FABRICATION LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | BARRIER ARCHITECTURAL SERVICES LIMITED | — | Active | 13/01/2026 – present |
| Officer | BARRIER FIRE PROTECTION LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | BARRIER GROUP LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | AQUASEAL RUBBER LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – 11/04/2024 |
| Officer | BARRIER LIMITED | 🇬🇧Regno Unito | Active | 13/01/2026 – present |
| Officer | HARKERS LOGISTICS LIMITED | — | Dissolved | 13/01/2026 – 16/11/2013 |
23/04/2026
England → United Kingdom
19/04/2026
United Kingdom → England
14/11/2008
appointed