| Company | Timeline | Status | |
| J3R Ltd Director • Director | 6 Feb 2022←2 Years 4 Months→2 Jul 2024 | Dissolved | |
| Aardvark Digital Ltd Director • Unreported | 14 Aug 2020←5 Years→Current | Active | |
| Vendemia Limited Director • Unreported | 16 Oct 2017←8 Years→Current | Active | |
| Certafide Ltd Director • Unreported | 27 May 2016←9 Years→Current | Active | |
Jack Marshall Brain Tumour Fund Limited Director • Fund Manager | 12 Dec 2011←4 Years→13 Sep 2016 | Dissolved | |
