| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HARTWIG CONSULTING ENGINEERS UK LIMITED | 🇬🇧United Kingdom | Active | 16/03/2026 – present |
| Person with significant control | HARTWIG CONSULTING ENGINEERS UK LIMITED | 🇬🇧United Kingdom | Active | 02/10/2025 – present |
| Person with significant control | GBMT CIVIL ENGINEERING LTD | 🇬🇧United Kingdom | Active | 29/09/2025 – present |
| Officer | GBMT CIVIL ENGINEERING LTD | 🇬🇧United Kingdom | Active | 17/12/2025 – present |
| Person with significant control | ENGINEERING CONSTRUCTION NETWORK LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Officer | ENGINEERING CONSTRUCTION NETWORK LTD | 🇬🇧United Kingdom | Active | 06/04/2026 – present |
| Officer | RGCC LIMITED | 🇬🇧United Kingdom | Active | 23/04/2026 – 14/05/2020 |
| Officer | GROUND TECHNOLOGY SERVICES LIMITED | 🇬🇧United Kingdom | Active | 23/05/2026 – 14/05/2020 |
| Officer | JAMES MICHAEL TRANSIT LIMITED | — | Dissolved | 11/05/2026 – present |
| Officer | R.G. CARTER ENGINEERING LIMITED | 🇬🇧United Kingdom | Active | 17/05/2026 – 14/05/2020 |
27/05/2026
United Kingdom → England
23/04/2026
England → United Kingdom
21/12/2012
appointed