O2

Hello. We are Telefónica Ireland. But you can call us O2.

We are one of the leading communication providers in Ireland. We offer solutions to over 1.7 million customers. We are based in Dublin and Limerick, and have a retail network of over 80 stores. As a communications company we're all about connecting people. So we are committed to doing the best for our employees, our customers and for the communities around us.

We began life as Esat Digifone in Ireland in 1996. In 2000 British Telecom acquired Esat Digifone and later demerged its wireless division, called mmO2, in 2001. In 2002, mmO2 rebranded and the O2 group of companies was officially launched. In March 2006, the O2 group was acquired by Telefónica S.A.

O2 Ireland is part of Telefónica Europe. Telefónica Europe's parent company, Telefónica S.A., is headquartered in Spain. Telefónica is one of the largest telecommunications companies in the world, with a presence in 25 countries. Telefónica employs more than 250,000 people and has a customer base of 259 million connections around the world. Our business is split into three regions: Europe, Spain and Latin America. We also have a presence in China through our strategic alliance agreement with China Unicom.