| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | RICARDO CERTIFICATION LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – present |
| Officer | RICARDO RAIL LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – present |
| Officer | RICARDO ASIA LIMITED | 🇬🇧Regno Unito | Active | 13/04/2026 – present |
| Officer | RICARDO-AEA LIMITED | — | Active | 16/03/2026 – present |
| Officer | RICARDO INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 08/01/2026 – present |
| Officer | RICARDO LIMITED | 🇬🇧Regno Unito | Active | 23/02/2026 – present |
| Officer | SPANSWICK LTD | 🇬🇧Regno Unito | Active | 16/12/2025 – present |
| Officer | LEXICA HEALTH AND LIFE SCIENCES CONSULTANCY LIMITED | 🇬🇧Regno Unito | Active | 28/04/2026 – present |
| Officer | G L HEARN MANAGEMENT LIMITED | 🇬🇧Regno Unito | Active | 08/01/2026 – 27/04/2026 |
| Officer | WSP (REAL ESTATE AND INFRASTRUCTURE) LIMITED | 🇬🇧Regno Unito | Active | 23/02/2026 – present |
| Officer | G L HEARN LIMITED | 🇬🇧Regno Unito | Active | 08/04/2026 – 27/04/2026 |
| Officer | WSP ENVIRONMENT & INFRASTRUCTURE SOLUTIONS UK LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – present |
| Officer | GOLDER ASSOCIATES (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/06/2026 – present |
| Officer | KIRKBY AT LIMITED | — | Dissolved | 07/06/2026 – present |
| Officer | SMITH CARTER UK LIMITED | — | Dissolved | 08/06/2026 – present |
| Officer | WSP MANAGEMENT SERVICES LIMITED | 🇬🇧Regno Unito | Active | 09/06/2026 – present |
| Officer | WSP GROUP HOLDINGS LIMITED | — | Active | 22/05/2026 – present |
| Officer | WSP UK LIMITED | 🇬🇧Regno Unito | Active | 28/04/2026 – 27/04/2026 |
| Officer | WSP GROUP LIMITED | 🇬🇧Regno Unito | Active | 29/05/2026 – present |
| Officer | WSP HOLDING UK LIMITED | — | Active | 08/01/2026 – present |
| Officer | WSP EUROPEAN HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 11/12/2025 – present |
| Officer | MOUCHEL LIMITED | 🇬🇧Regno Unito | Active | 11/12/2025 – present |
| Officer | KIER EDUCATION INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 05/06/2026 – 22/03/2013 |
| Officer | KIER TRANSPORTATION LIMITED | 🇬🇧Regno Unito | Active | 15/06/2026 – 01/10/2015 |
15/06/2026
England → United Kingdom
07/06/2026
United Kingdom → England
06/07/2009
appointed