| Company | Timeline | Status | |
| Hutton + Rostron Environmental Investigations Limited Director • Director | 10 Jun 2024←1 Year 6 Months→Current | Active | |
| Quadrant Building Compliance Limited Director • Director | 26 Nov 2021←1 Year→22 Dec 2022 | Active | |
| Vernier Holdings Ltd Director • Director | 30 Oct 2019←3 Years→22 Dec 2022 | Active | |
| Quadrant Building Control Limited Director • Director | 20 Mar 2019←3 Years→22 Dec 2022 | Active | |
| Qai Services Limited Director • Director | 1 Jun 2018←6 Years→31 May 2024 | Active | |
