| Company | Timeline | Status | |
| Excellent Education For Everyone Limited Director • Consulting Engineer | 18 Sep 2017←8 Years→Current | Active | |
| The SS Robin Trust Director • Naval Architect | 1 Sep 2009←1 Year 6 Months→25 Mar 2011 | Active | |
| John Kernaghan And Associates Limited Secretary • Unreported | 26 Jun 1991←34 Years→Current | Active | |
| John Kernaghan And Associates Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
