| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | PROVENT INSTALLATIONS LTD | 🇬🇧Regno Unito | Active | 01/10/2025 – present |
| Person with significant control | KNOWSLEY VENTILATION SERVICES LTD | 🇬🇧Regno Unito | Dissolved | 22/06/2024 – present |
| Person with significant control | G J WILLIS SOLUTIONS LIMITED | — | Dissolved | 26/06/2024 – 25/02/2021 |
| Person with significant control | WALLER PROPERTY MANAGEMENT LIMITED | — | Active | 18/06/2024 – 01/12/2018 |
| Person with significant control | WILLIS HAULAGE LIMITED | — | Active | 19/06/2024 – present |
25/05/2026
England → United Kingdom
08/12/2025
United Kingdom → England
06/04/2016
appointed