| Company | Timeline | Status | |
| Federation Of Bakers Limited Director • Director | 5 Dec 2018←6 Years→Current | Active | |
| W.D. Irwin & Sons (Portadown) Limited Director • Director | 25 Feb 2013←12 Years→Current | Active | |
Tyrone Aggregates Limited Director • None | 31 Jan 2013←1 Year 7 Months→23 Sep 2014 | Dissolved | |
| Irwins Quality Aggregates Limited Director • Director | 31 Jan 2013←12 Years→Current | Active | |
| PRFC Trustee Company Limited Director • Company Director | 8 Jul 2010←15 Years→Current | Active | |
| Portadown 2000 Director • Company Proprietor | 17 Jun 2010←3 Years→1 Aug 2013 | Active | |
| Food Ni Ltd Director • Chairman | 22 Oct 2009←9 Years→1 Jan 2019 | Active | |
| Howell House Limited Director • Company Director | 21 Aug 2006←17 Years→2 Jul 2024 | Dissolved | |
| Mullach Glas One Limited Director • Director | 24 Jul 2006←19 Years→Current | Active | |
| W.D. Irwin & Sons Limited Director • Director | 24 Jul 2006←19 Years→Current | Active | |
