| Company | Timeline | Status | |
| John Oliver Roofing (Ne) Ltd Director • Director | 12 Aug 2025←2 Months→Current | Active | |
| Oliver Roofing Specialists Ltd Director • Director | 19 Jan 2024←1 Year 9 Months→Current | Active | |
| Oliver Roofing Specialists Ltd Director • Director | 19 Jan 2024←1 Year 7 Months→28 Aug 2025 | Active | |
| John Oliver Roofing Services Ltd Director • Director | 14 Jul 2022←1 Year 5 Months→19 Dec 2023 | Dissolved | |
| Scaffability (Ne) Ltd Director • Director | 1 Feb 2021←2 Years 4 Months→26 Jun 2023 | Active | |
| John Oliver Roofing Ltd Director • Director | 14 Aug 2019←6 Years→Current | Active | |
| Oliver Roofing Ltd Director • Director | 2 Jul 2019←9 Months→24 Apr 2020 | Dissolved | |
Oliver Fabrication Ltd Director • Director | 17 Jan 2018←1 Year 5 Months→25 Jun 2019 | Dissolved | |
John Oliver Roofing Limited Director • Roofing Contractor | 27 Jun 2017←2 Years 1 Month→13 Aug 2019 | Dissolved | |
Oliver Fabrication Limited Director • Director | 11 Dec 2015←1 Year 5 Months→30 May 2017 | Dissolved | |
