| Company | Timeline | Status | |
| O'Brien Finance Company Limited Director • Unreported | 1 Sep 2024←1 Year 2 Months→Current | Active | |
| O'Brien Aggregate Marsden Limited Director • Unreported | 24 Jul 2024←1 Year 3 Months→Current | Active | |
| O'Brien Aggregate Tuthill Limited Director • Unreported | 28 May 2024←1 Year 5 Months→Current | Active | |
| O'Brien Aggregate Holding Limited Director • Unreported | 28 May 2024←1 Year 5 Months→Current | Active | |
| Hugo Holdings (Obr) Ltd Director • Unreported | 17 Aug 2023←2 Years 3 Months→Current | Active | |
| Dunpark Limited Director • Unreported | 20 Jul 2022←3 Years→Current | Active | |
| Chard Works Limited Director • Unreported | 29 Apr 2022←3 Years→Current | Active | |
| OBR-N Holdings Limited Director • Unreported | 29 Apr 2022←3 Years→Current | Active | |
| Cleadon Property Development Ltd Director • Unreported | 22 Jun 2020←5 Years→Current | Active | |
| East Boldon Developments Limited Director • Unreported | 11 Feb 2020←5 Years→Current | Active | |
