| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ADALTUS LTD | 🇬🇧Regno Unito | Active | 23/03/2026 – present |
| Officer | MARK JOHNSON ESTATE AGENTS LIMITED | 🇬🇧Regno Unito | Active | 11/04/2026 – present |
| Officer | QUOD SCRIPSI SCRIPSI LTD | 🇬🇧Regno Unito | Dissolved | 31/05/2026 – present |
| Officer | MARK JOHNSON PM LIMITED | 🇬🇧Regno Unito | Active | 31/05/2026 – present |
| Officer | MS JOHNSON CONSULTANTS LIMITED | 🇬🇧Regno Unito | Dissolved | 31/05/2026 – present |
| Officer | WENTWORTH LODGE (FINCHLEY) LIMITED | 🇬🇧Regno Unito | Active | 30/12/2025 – 14/12/2022 |
| Officer | JOHNSONS FLOWERS & PLANTS LIMITED | 🇬🇧Regno Unito | Active | 10/06/2026 – present |
10/06/2026
United Kingdom → England
31/05/2026
England → United Kingdom
01/05/2004
appointed