| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | VOLTAGE CONSULTING LIMITED | 🇬🇧United Kingdom | Activa | 5/4/2026 – 14/12/2021 |
| Cargo | CLOSE PLANNING LIMITED | 🇬🇧United Kingdom | Disuelta | 18/4/2026 – presente |
| Cargo | 3DERM AESTHETICS LIMITED | — | Disuelta | 18/4/2026 – 1/9/2018 |
| Cargo | ABSOLUTE ARBORISTS TREE CARE LTD | 🇬🇧United Kingdom | Disuelta | 23/4/2026 – presente |
| Cargo | JULIAN BROWN ASSOC LTD | 🇬🇧United Kingdom | Disuelta | 26/4/2026 – presente |
| Cargo | BROWNS SWEET SPOT LTD | 🇬🇧United Kingdom | Disuelta | 2/5/2026 – presente |
| Cargo | ABBA INVESTMENTS LIMITED | 🇬🇧United Kingdom | Activa | 7/5/2026 – presente |
| Cargo | GROVE SOCIAL LIMITED | — | Disuelta | 21/5/2026 – 28/7/2013 |
| Cargo | GLOBAL VENTILATION SERVICES LIMITED | — | Activa | 30/5/2026 – presente |
| Cargo | JONATHON BROWN CONSULTANCY LIMITED | — | Disuelta | 2/6/2026 – presente |
14/12/2021
resigned
27/10/2020
appointed
24/12/2008
appointed