| Company | Timeline | Status | |
| Vincent O'Brien Maintenance Limited Director • Director | 26 Apr 2016←9 Years→Current | Active | |
| OBD Hire Limited Director • Company Director | 18 Mar 2015←10 Years→Current | Active | |
| Vincent O'Brien Property Services Ltd Director • Company Director | 23 Apr 2014←11 Years→Current | Active | |
| Midrobe Housing Ltd Director • Company Director | 20 May 2010←3 Years→31 Mar 2014 | Active | |
| Vincent O'Brien Construction Limited Director • Director | 4 May 2005←20 Years→1 Jul 2025 | Dissolved | |
