| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | MACKELLAR HOLDINGS LTD | 🇬🇧United Kingdom | Active | 02/10/2025 – present |
| Person with significant control | STRATHSPEY THISTLE FOOTBALL CLUB LTD | 🇬🇧United Kingdom | Active | 07/02/2025 – present |
| Person with significant control | MACKELLAR SUB-SEA LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | 4M EARTHING SOLUTIONS LTD | 🇬🇧United Kingdom | Active | 22/06/2024 – present |
| Officer | 4M EARTHING SOLUTIONS LTD | 🇬🇧United Kingdom | Active | 21/04/2026 – present |
| Person with significant control | GRANT MACKELLAR LTD | 🇬🇧United Kingdom | Active | 22/06/2024 – present |
| Person with significant control | MACKELLAR ENGINEERING LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | — | — | Active | 26/06/2024 – present |
28/05/2025
appointed
10/08/2024
appointed
14/08/2019
appointed