| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | CLARK SIGNATURE LTD | 🇬🇧United Kingdom | Active | 05/01/2026 – present |
| Person with significant control | MONMOUTH STREET MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 23/06/2024 – 01/02/2026 |
| Officer | DATADIVIDER UK LTD | 🇬🇧United Kingdom | Dissolved | 10/04/2026 – 23/10/2019 |
| Person with significant control | — | — | Active | 23/06/2024 – present |
| Person with significant control | JOHN CLARK FABRICATIONS LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | OAK TRAINING ( UK ) LTD | 🇬🇧United Kingdom | Active | 21/06/2024 – 30/09/2020 |
| Person with significant control | DITTON MARINE SERVICES LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 26/06/2024 – present |
| Officer | JOHN CLARK FABRICATIONS LIMITED | 🇬🇧United Kingdom | Active | 19/01/2026 – present |
| Officer | HILLINGDON PAINT & DESIGN LIMITED | 🇬🇧United Kingdom | Active | 12/04/2026 – present |
| Officer | COGNITIVE REAL ESTATE LIMITED | 🇬🇧United Kingdom | Dissolved | 15/01/2026 – present |
| Officer | MONMOUTH STREET MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 06/02/2026 – present |
10/04/2026
United Kingdom → United States
08/03/2026
England → United Kingdom
17/01/2014
appointed