| Company | Timeline | Status | |
| Byrne Group Limited Director • Finance Director | 23 Nov 2023←1 Year 11 Months→Current | Active | |
| O'Keefe Demolition (Byrne Group) Limited Director • Finance Director | 22 Jun 2022←3 Years→Current | Active | |
| O'Keefe Construction (Byrne Group) Limited Director • Finance Director | 10 Jun 2022←3 Years→Current | Active | |
| Ellmer WBHO Limited Director • Finance Director | 14 Apr 2021←4 Years→Current | Active | |
| F.B.Ellmer Limited Director • Finance Director | 23 Jul 2018←7 Years→Current | Active | |
| Byrne Bros. (Formwork) Limited Director • Finance Director | 3 Nov 2016←8 Years→Current | Active | |
