| Company | Timeline | Status | |
| D Bull Eng Services Limited Director • Mechanical Engineer | 10 Jun 2024←1 Year 8 Months→Current | Active | |
| DWB Engineering Solutions Limited Director • Unreported | 12 Oct 2019←6 Years→Current | Active | |
DW Bullock Engineering Limited Director • Director | 8 Aug 2017←2 Years 1 Month→24 Sep 2019 | Dissolved | |
