| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | UK MENTAL HEALTH TRANSPORT LTD | 🇬🇧United Kingdom | Activa | 14/4/2026 – presente |
| Cargo | COUNTRYDEVELOPMENTS NE LIMITED | 🇬🇧United Kingdom | Disuelta | 27/5/2026 – presente |
| Cargo | INVEST IN PROPERTIES NE LIMITED | 🇬🇧United Kingdom | Disuelta | 18/4/2026 – presente |
| Persona con control significativo | LJT 18 CONSULTANCY LTD | 🇬🇧United Kingdom | Disuelta | 26/6/2024 – presente |
| Cargo | LRH ACCOUNTANCY SERVICES LTD | 🇬🇧United Kingdom | Disuelta | 6/5/2026 – presente |
| Persona con control significativo | JOHN HARRISON (SPORTS) LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – 5/11/2021 |
| Persona con control significativo | PEAK 18 LIMITED | 🇬🇧United Kingdom | Disuelta | 26/6/2024 – presente |
| Persona con control significativo | HARRISON & OSBORNE LIMITED | 🇬🇧United Kingdom | Activa | 26/6/2024 – presente |
| Cargo | CROPTON TRANSPORT LTD | 🇬🇧United Kingdom | Disuelta | 11/5/2026 – 14/3/2017 |
| Cargo | HARRISON ARBORICULTURE LTD. | 🇬🇧United Kingdom | Activa | 10/5/2026 – presente |
| Cargo | INTERNATIONAL SEAFOODS LIMITED | — | Activa | 21/5/2026 – 18/2/2016 |
| Cargo | OUTDOOR LIVING (LANCASHIRE) LIMITED | — | Disuelta | 27/5/2026 – 2/7/2010 |
| Cargo | R.W. HARRISON AND SON (BUILDERS) LIMITED | — | Disuelta | 3/6/2026 – 24/4/2014 |
| Cargo | WM MORRISON PENSION TRUSTEE LIMITED | — | Activa | 14/6/2026 – 31/12/2011 |
| Cargo | JOHN HARRISON (SPORTS) LIMITED | 🇬🇧United Kingdom | Activa | 15/12/2025 – presente |
15/6/2026
Wales → United Kingdom
14/6/2026
England → United Kingdom
23/9/2002
appointed