| Company | Timeline | Status | |
M4 Road Project Limited Director • Director | 3 Aug 2018←11 Months→2 Jul 2019 | Dissolved | |
| Willow Plant Hire Limited Director • Director | 1 Nov 2008←2 Years 10 Months→1 Sep 2011 | Active | |
| O'Briens Development Ltd Director • Unreported | 10 Aug 2005←20 Years→Current | Active | |
| M. O'Brien (Plant Hire) Ltd Director • Unreported | 30 Apr 1996←29 Years→Current | Active | |
