| Company | Timeline | Status | |
| Helix Operations Limited Director • Chairman | 26 Nov 2019←5 Years→Current | Active | |
| DMM International Limited Director • Chairman | 26 Nov 2019←5 Years→Current | Active | |
| Cam 2000 Limited Director • Company Director | 4 Feb 2011←1 Year 3 Months→1 Jun 2012 | Active | |
Stone Monkey Limited Director • Engineer | 31 Oct 1996←14 Years→2 Mar 2011 | Dissolved | |
| Dmmwales Group Limited Director • Engineer | 16 Oct 1995←30 Years→Current | Active | |
| DMM International Limited Director • Engineer | 30 Apr 1991←25 Years→3 Jan 2017 | Active | |
| D. M. M. Engineering Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
