| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | O'BRIEN FINE FOODS LEEMING BAR LIMITED | 🇬🇧United Kingdom | Activa | 16/1/2026 – presente |
| Persona con control significativo | O'BRIEN FINE FOODS LEEMING BAR LIMITED | 🇬🇧United Kingdom | Activa | 25/9/2025 – presente |
| Persona con control significativo | O'BRIEN FINE FOODS INVESTMENTS LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Cargo | O'BRIEN FINE FOODS INVESTMENTS LIMITED | 🇬🇧United Kingdom | Activa | 10/2/2026 – presente |
| Persona con control significativo | HUBBER STAYS LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | FITNESS CAPITAL LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | EASY CHOICE CARS LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | UNIVERSAL PSV LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Cargo | BEARFIELDS OF LONDON LIMITED | 🇬🇧United Kingdom | Activa | 31/3/2026 – presente |
| Persona con control significativo | O'BRIEN FINE FOODS HOLDINGS (UK) LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Persona con control significativo | O'BRIEN SECURITY CONSULTANTS LTD | 🇬🇧United Kingdom | Disuelta | 19/6/2024 – presente |
| Persona con control significativo | BROOKSON (5482M) LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | HERTS PATHS & PATIOS LIMITED | 🇬🇧United Kingdom | Disuelta | 19/6/2024 – presente |
| Persona con control significativo | O'BRIEN ENGINEERING CONSULTANCY LTD | — | Activa | 18/6/2024 – presente |
| Persona con control significativo | JOHN O'BRIEN ARCHITECTURAL CONSULTANTS LTD | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | JOHN O'BRIEN CONSTRUCTION LTD | — | Activa | 18/6/2024 – presente |
| Persona con control significativo | MERLIN HEATING DISTRIBUTORS LIMITED | 🇬🇧United Kingdom | Liquidación | 18/6/2024 – presente |
| Persona con control significativo | MEDICAL TALENT LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | JOHN O'BRIEN REMOVALS LTD | — | Activa | 19/6/2024 – presente |
| Persona con control significativo | THE RADIATOR BOUTIQUE LIMITED | — | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | JOHN O'BRIEN ESTATES LTD | — | Activa | 18/6/2024 – presente |
25/9/2024
appointed
19/6/2024
Ireland → United Kingdom
6/4/2016
appointed