| Company | Timeline | Status | |
| Mullan's Markethill Limited Director • Unreported | 17 Dec 2018←7 Years→Current | Active | |
| Mullan's Killylea Road Limited Director • Director | 17 Dec 2018←7 Years→Current | Active | |
| Atlantis Holdings (N.I.) Limited Director • Unreported | 12 Dec 2018←7 Years→Current | Active | |
| S D Mullan Limited Director • Director | 12 Aug 2004←21 Years→Current | Active | |
