| Company | Timeline | Status | |
| Peace And Johnston Limited Director • Director | 5 Mar 2015←10 Years→Current | Active | |
| Marin TM Limited Director • Director | 20 Mar 2014←11 Years→Current | Active | |
| Subsea Excavation Technology Limited Director • Engineer | 16 Dec 2013←11 Years→Current | Active | |
| Subsea Intervention Limited Director • Engineer | 16 Dec 2013←11 Years→Current | Active | |
| Blackhawk Offshore Support Services Limited Director • Director | 11 Jan 2013←12 Years→Current | Active | |
| Marin Blackhawk Limited Director • Consultant | 25 Mar 2011←14 Years→Current | Active | |
| Aurora Downhole Solutions Limited Director • Consultant | 23 Dec 2010←14 Years→Current | Active | |
| Marin Subsea Limited Director • Managing Director | 14 Jul 2006←19 Years→Current | Active | |
| AGR Subsea Limited Director • Managing Director | 14 Jun 2002←4 Years→5 Nov 2006 | Dissolved | |
