| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | JOHN OLIVER ROOFING (NE) LTD | 🇬🇧Regno Unito | Active | 30/09/2025 – present |
| Person with significant control | OLIVER ROOFING SPECIALISTS LTD | 🇬🇧Regno Unito | Dissolved | 14/06/2024 – 28/08/2025 |
| Person with significant control | JOHN OLIVER ROOFING SERVICES LTD | 🇬🇧Regno Unito | Dissolved | 26/06/2024 – present |
| Person with significant control | SCAFFABILITY (NE) LTD | 🇬🇧Regno Unito | Dissolved | 20/06/2024 – 26/06/2023 |
| Person with significant control | JOHN OLIVER ROOFING LTD | 🇬🇧Regno Unito | Dissolved | 21/06/2024 – present |
| Person with significant control | OLIVER ROOFING LTD | 🇬🇧Regno Unito | Dissolved | 21/06/2024 – 24/04/2020 |
| Person with significant control | OLIVER FABRICATION LTD | 🇬🇧Regno Unito | Dissolved | 26/06/2024 – present |
| Person with significant control | JOHN OLIVER ROOFING LIMITED | 🇬🇧Regno Unito | Dissolved | 15/06/2024 – present |
| Person with significant control | OLIVER ROOFING LIMITED | 🇬🇧Regno Unito | Dissolved | 24/06/2024 – present |
28/08/2025
resigned
12/08/2025
appointed
27/02/2017
appointed