| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | CITY RAIL AND CONSTRUCTION LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | CITY RAIL AND CONSTRUCTION LIMITED | 🇬🇧Regno Unito | Active | 16/02/2026 – present |
| Person with significant control | CAPITAL ENERGY GROUP LIMITED | 🇬🇧Regno Unito | Dissolved | 26/06/2024 – present |
| Officer | CAPITAL ENERGY GROUP LIMITED | 🇬🇧Regno Unito | Dissolved | 05/04/2026 – present |
| Person with significant control | VIKING CONSTRUCTION AND RAIL LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 28/09/2022 |
| Officer | ROBERT TOMAS UK LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – present |
| Officer | VIKING CONSTRUCTION AND RAIL LIMITED | 🇬🇧Regno Unito | Active | 17/02/2026 – 13/01/2023 |
| Officer | CITY RAIL SOLUTIONS LTD | — | Dissolved | 16/05/2026 – present |
| Officer | SMJ RAIL LIMITED | — | Dissolved | 16/05/2026 – 19/02/2014 |
| Officer | M I S SERVICES LIMITED | — | Dissolved | 05/06/2026 – 14/10/2009 |
| Officer | LCS RAIL LIMITED | — | Dissolved | 05/06/2026 – present |
13/01/2023
resigned
28/09/2022
resigned
26/02/2008
appointed