| Company | Timeline | Status | |
| D & J Marshall Property Ltd Director • Unreported | 21 Feb 2022←3 Years→Current | Active | |
| Marshalls Heating Company Ltd Director • Unreported | 12 May 2020←5 Years→Current | Active | |
| Dave Marshall Plumbing & Heating Ltd Director • Central Heating Engineer | 25 Jan 2010←13 Years→24 Jan 2023 | Dissolved | |
