| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | FOLLA CAMPBELL INVESTMENTS LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | RTT DEVELOPMENTS LTD | — | Solicitud de baja | 19/6/2024 – presente |
| Persona con control significativo | — | — | Activa | 18/6/2024 – presente |
| Persona con control significativo | ETS TECHNICAL SERVICES LTD | 🇬🇧United Kingdom | Liquidación | 19/6/2024 – presente |
| Persona con control significativo | CASTLEQUARTER COACHING LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | CAMPBELL OF DOUNE LTD | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Persona con control significativo | HUGH CAMPBELL & SONS (DOUNE) LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | HCKC LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – 24/10/2018 |
| Cargo | HIGHLAND POWER LIMITED | — | Disuelta | 26/5/2026 – 7/4/2011 |
| Cargo | HUGH CAMPBELL & SONS (DOUNE) LIMITED | 🇬🇧United Kingdom | Activa | 1/2/2026 – presente |
| Cargo | CAMPBELL OF DOUNE LTD | 🇬🇧United Kingdom | Activa | 27/1/2026 – presente |
26/5/2026
United Kingdom → Uk
8/12/2025
United Kingdom → Northern Ireland
22/12/2004
appointed