| Company | Timeline | Status | |
| Derry Group Ireland Ltd Director • Managing Director | 13 Aug 2020←5 Years→Current | Active | |
| Derry Transport Group Ltd Director • Managing Director | 13 Aug 2020←5 Years→Current | Active | |
| Carn Customs Clearance Company Limited Director • Transport Manager | 23 Nov 2018←7 Years→Current | Active | |
| DRT (Office) Limited Director • Director | 18 Jul 2018←7 Years→Current | Active | |
| Carn Coldstore Limited Director • Company Director | 28 Nov 2017←8 Years→Current | Active | |
| DRT (Drivers) Limited Director • Managing Director | 17 May 2017←8 Years→Current | Active | |
| Kilmore Storage & Distribution Ltd Director • Managing Director | 27 Mar 2017←8 Years→Current | Active | |
| Tivanagh Holdings Limited Director • Transport Manager | 19 Aug 2014←11 Years→Current | Active | |
| DRT (Ni) Limited Director • Transport Manager | 19 Aug 2014←11 Years→Current | Active | |
| Derry Refrigerated Transport Limited Director • Haulier | 16 Jan 2013←13 Years→Current | Active | |
