| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | NUT-TREE FOREST LIMITED | 🇬🇧Regno Unito | Dissolved | 29/03/2026 – present |
| Officer | BE THE EARTH INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 23/05/2026 – 16/12/2019 |
| Officer | THE BERTI FOUNDATION | — | Dissolved | 23/04/2026 – present |
| Officer | MAGIC BEAN VENTURES LIMITED | — | Dissolved | 25/04/2026 – 22/11/2018 |
| Officer | DOCHOUSE LIMITED | — | Active | 15/05/2026 – 31/07/2017 |
| Officer | DOC VISION LIMITED | — | Dissolved | 20/05/2026 – 31/07/2017 |
| Officer | BERTHA DOCHOUSE LIMITED | 🇬🇧Regno Unito | Active | 23/05/2026 – 31/07/2017 |
| Officer | BERTHA PHILANTHROPIES | — | Dissolved | 24/05/2026 – present |
| Officer | INTERCEDE GROUP PLC | 🇬🇧Regno Unito | Active | 17/01/2026 – present |
21/03/2022
appointed
16/12/2019
resigned
31/03/2006
appointed