IBM Registration information Date of registration 10 Jul, 2015 Date last updated 06 Dec, 2017 Contact information Principal Address IBM House, Shelbourne Road, Ballsbridge, Dublin 4, Dublin Country Ireland Contact phone number 018154629 Main activities of the organisation Information Technology Responsible person Name Barry O'Brien Email barry_obrien@ie.ibm.com Phone Number 01-8154629 CRO Information CRO 16226 Company Registration Name IBM IRELAND LIMITED