| Company | Timeline | Status | |
| J Coffey Investments Limited Director • Unreported | 16 Dec 2019←5 Years→Current | Active | |
| J Coffey Limited Director • Unreported | 16 Dec 2019←5 Years→Current | Active | |
| J.E.T. Properties Limited Director • Director | 15 Jan 2008←17 Years→Current | Active | |
| J.E.T. Properties Limited Secretary • Director | 15 Jan 2008←17 Years→Current | Active | |
| Mayne Build Limited Secretary • Unreported | 31 Jul 2006←19 Years→Current | Active | |
| Coffey Contractors Limited Director • Director | 22 Dec 2004←20 Years→Current | Active | |
| Coffey Contractors Limited Secretary • Director | 22 Dec 2004←20 Years→Current | Active | |
| J Coffey Plant Limited Director • Director | 22 Dec 2004←20 Years→Current | Active | |
| J Coffey Plant Limited Secretary • Director | 22 Dec 2004←20 Years→Current | Active | |
| J Coffey Plant Limited Director • Director | 22 Dec 2004←19 Years→25 Oct 2024 | Active | |
