| Company | Timeline | Status | |
| R.J. O'Brien Limited Director • Director | 17 Mar 2015←10 Years→Current | Active | |
| R.J. O'Brien (Europe) Limited Director • Company Director | 11 Jun 2013←12 Years→Current | Active | |
| R.J. O'Brien (UK) Limited Director • Company Director | 11 Jun 2013←9 Years→25 Apr 2023 | Dissolved | |
