| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | DEREK WALKER CONSULTANTS LTD | 🇬🇧Regno Unito | Dissolved | 03/04/2026 – present |
| Officer | MARNOCH MCKNIGHT RESOURCES LIMITED | — | Dissolved | 23/05/2026 – present |
| Officer | D & K CONSULTANCY TRADING LIMITED | — | Dissolved | 25/05/2026 – present |
| Officer | THE SCOTTISH COAL (DEEP MINE) COMPANY LIMITED | 🇬🇧Regno Unito | Active | 10/12/2025 – present |
05/10/2020
appointed
16/07/2012
appointed
07/01/2000
appointed