| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | MERITAAS LTD | 🇬🇧United Kingdom | Active | 23/06/2024 – present |
| Person with significant control | MARK JACKSON SERVICES LTD | 🇬🇧United Kingdom | Proposal to strike off | 24/06/2024 – present |
| Person with significant control | WASTE AWAY AND REMOVALS LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | MARK JACKSON INC LIMITED | 🇬🇧United Kingdom | Dissolved | 26/06/2024 – present |
| Officer | DR MARK JACKSON LTD | 🇬🇧United Kingdom | Active | 16/04/2026 – present |
| Person with significant control | DR MARK JACKSON LTD | 🇬🇧United Kingdom | Active | 20/06/2024 – present |
| Officer | UNITED FRACTURES LIMITED | 🇬🇧United Kingdom | Active | 15/12/2025 – present |
| Person with significant control | UNITED FRACTURES LIMITED | 🇬🇧United Kingdom | Active | 10/12/2025 – present |
| Person with significant control | THE SEASIDE PUB COMPANY (NORFOLK) LIMITED | — | Dissolved | 23/06/2024 – present |
| Officer | AVON CENTRE FOR MUSCULOSKELETAL EDUCATION LTD | 🇬🇧United Kingdom | Active | 28/01/2026 – present |
| Officer | THE SEASIDE PUB COMPANY (NORFOLK) LIMITED | — | Dissolved | 25/05/2026 – present |
10/06/2026
England → United Kingdom
25/05/2026
United Kingdom → England
11/01/2011
appointed