| Company | Timeline | Status | |
| HCS Oceania Pty Limited Director • Company Director | 31 Aug 2023←2 Years 2 Months→Current | Active | |
| HCS Aberdeen Limited Director • Unreported | 31 Jan 2018←7 Years→Current | Active | |
HCS Nuclear Limited Director • Company Director | 23 Nov 2017←11 Months→23 Oct 2018 | Dissolved | |
| Interventek Subsea Engineering Limited Director • Unreported | 27 Mar 2015←10 Years→Current | Active | |
| HCS Control Systems Group Limited Director • Unreported | 14 Jun 2013←12 Years→Current | Active | |
| HCS Control Systems (Holdings) Limited Director • Unreported | 9 Jan 2009←16 Years→Current | Active | |
HCS Subsea Limited Director • Director | 22 Dec 2008←6 Years→27 Mar 2015 | Dissolved | |
| HCS Control Systems Limited Director • Unreported | 6 Sep 2002←23 Years→Current | Active | |
