| Company | Timeline | Status | |
| Abandecom Ltd Director • Drilling Cost Engineer | 10 Oct 2013←9 Years→25 Oct 2022 | Dissolved | |
| Wellcore Limited Director • Drilling Cost Engineer | 10 Sep 2013←9 Years→25 Oct 2022 | Dissolved | |
Protrac Ltd Director • Drilling Cost Engineer | 17 May 2013←2 Years 2 Months→31 Jul 2015 | Dissolved | |
| North Silver Street Investments Limited Director • Unreported | 13 Apr 2011←14 Years→Current | Active | |
| SL Drillcost Limited Director • Unreported | 21 Jan 2010←15 Years→Current | Active | |
