Irish Continental Group plc is an Irish shipping and transport group. Operating roll on/roll off passenger, freight and container freight services on routes between Ireland, the United Kingdom and Continental Europe. Irish Continental Group also operate container terminals in the ports of Dublin and Belfast.

Irish Ferries is an Irish ferry and transport company that operates passenger and freight services on routes between Ireland, Britain and Continental Europe, including Dublin Port–Holyhead; Rosslare Europort to Pembroke as well as Dublin Port-Cherbourg in France.

The company is a division of the Irish Continental Group (ICG) which trades on the Irish Stock Exchange and the London Stock Exchange. ICG also owns the Eucon container line which operates vessels on routes operating between Ireland and the continent.

Irish Ferries’ flagship, MV Ulysses, is currently the largest ROPAX ferry operating on the Irish Sea and when launched in 2001 was the world’s largest car ferry in terms of car-carrying capacity. Other ships in the fleet include MS Isle of Inishmore, MV W.B. Yeats and the fast ferry Dublin Swift (preceded by HSC Jonathan Swift, which operated until 2018). The company also charters in a ro-pax vessel, MS Norbay and will also charter ro-ro vessel MS Spirit of Britain (to be renamed). The company used to charter MV Kaitaki which was sold to Interisland Line, and Pride of Bilbao which was sold to St. Peter Line in 2013 and then renamed Princess Anastasia.