| Company | Timeline | Status | |
| BMM Marshall Holdings Limited Director • Director | 21 Dec 2021←3 Years→Current | Active | |
| Marshall Jakeman Marine Ltd Director • Engineer | 3 Sep 2019←6 Years→Current | Active | |
| B. Marshall Marine Limited Director • Director | 12 Jan 2011←14 Years→Current | Active | |
| B Marshall Engineering Limited Director • Steel Fabricator | 26 Feb 2007←18 Years→Current | Active | |
