| Company | Timeline | Status | |
| Blue Sky Services & Maintenance Ltd Director • Director | 11 Feb 2022←3 Years→16 Sep 2025 | Dissolved | |
| Blue Sky Serviced Apartments Ltd Director • Director | 1 May 2021←2 Years 1 Month→26 Jun 2023 | Active | |
| OCS Holdings Limited Director • Unreported | 4 Sep 2018←7 Years→Current | Active | |
| O'Brien Multiservices Ltd Director • Unreported | 5 Jul 2016←9 Years→Current | Active | |
| O'Brien Ductwork Services Limited Director • Unreported | 10 Jan 2011←14 Years→Current | Active | |
