| Company | Timeline | Status | |
| PH Investments Ltd Director • Unreported | 4 Sep 2024←1 Year 2 Months→Current | Active | |
| RJ Engineering Design & Manufacture Ltd Director • Unreported | 24 Mar 2021←4 Years→Current | Active | |
| RJ Engineering Processes Ltd Director • Unreported | 24 Mar 2021←4 Years→Current | Active | |
| RJ Engineering Group Ltd Director • Unreported | 12 Mar 2021←4 Years→Current | Active | |
| J.A. McDonagh Sales Limited Director • Director | 31 Jan 1999←24 Years→21 Mar 2023 | Dissolved | |
| J.A. McDonagh Engineering Limited Director • Unreported | 10 Feb 1996←29 Years→Current | Active | |
