| Company | Timeline | Status | |
| Construct, Concrete Structures Group Limited Director • Director | 25 Dec 2000←10 Years→4 Mar 2011 | Active | |
| C. J. O'Shea Construction Limited Director • Director | 21 Nov 1993←24 Years→25 Oct 2018 | Active | |
| C.J. O'Shea Developments Limited Director • Director | 26 Oct 1991←27 Years→25 Oct 2018 | Active | |
| Tramore Properties Limited Secretary • Unreported | 26 Oct 1991←26 Years→14 Sep 2018 | Active | |
| C.J. O'Shea (Plant Hire) Limited Director • Director | 26 Oct 1991←10 Years→11 Oct 2002 | Active | |
| Coscomp Limited Director • Director | 26 Oct 1991←10 Years→11 Oct 2002 | Active | |
| C.J.O'Shea And Company Limited Director • Director | 26 Oct 1991←10 Years→11 Oct 2002 | Active | |
| Tramore Properties Limited Director • Director | 14 Jan 1987←31 Years→14 Sep 2018 | Active | |
