| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | WALKER M&E LIMITED | 🇬🇧United Kingdom | Active | 07/05/2026 – present |
| Officer | WALKER PLANT (YORKSHIRE) LIMITED | 🇬🇧United Kingdom | Active | 19/03/2026 – present |
| Officer | ARIDUS LTD | 🇬🇧United Kingdom | Active | 10/03/2026 – present |
| Officer | BEEVER LANE MANAGEMENT COMPANY LIMITED | — | Dissolved | 25/02/2026 – present |
| Officer | CBL FINANCE (UK) LIMITED | — | Dissolved | 21/05/2026 – present |
| Officer | ALS TESTING SERVICES (UK) LIMITED | — | Active | 22/05/2026 – 16/08/2022 |
| Officer | CBL FINANCE (HOLDINGS) UK LIMITED | — | Dissolved | 21/05/2026 – present |
| Officer | ALS GROUP ASSAYERS LIMITED | — | Active | 01/06/2026 – 16/08/2022 |
| Officer | ALS HOLDINGS GROUP LIMITED | — | Active | 11/06/2026 – 16/08/2022 |
| Officer | STEWART ASSAYERS LIMITED | — | Dissolved | 01/06/2026 – present |
| Officer | STEWART GROUP EMPLOYEE SHARE SCHEME LIMITED | — | Dissolved | 06/06/2026 – present |
| Officer | ALS INSPECTION UK LIMITED | 🇬🇧United Kingdom | Active | 09/04/2026 – 16/08/2022 |
| Officer | STEWART HOLDINGS MANAGEMENT LIMITED | — | Active | 11/06/2026 – 16/08/2022 |
| Officer | WALKER GROUP (YORKSHIRE) LIMITED | 🇬🇧United Kingdom | Active | 14/06/2026 – present |
| Officer | WALKER INVESTMENTS (UK) LIMITED | 🇬🇧United Kingdom | Active | 06/05/2026 – present |
| Officer | WALKER BUILDERS LIMITED | 🇬🇧United Kingdom | Active | 10/03/2026 – present |
14/06/2026
United Kingdom → England
11/06/2026
England → United Kingdom
15/03/1999
appointed