Eir is the principal provider of fixed-line and mobile telecommunications services in Ireland with approximately 2 million customers. The company has the most extensive network in Ireland and provides a comprehensive range of advanced voice, data, broadband and ICT services to the residential, small business, enterprise and public sector markets.

Eir’s mobile division operates as Eir Mobile. In 2013, the Group was the first operator to launch 4G services in Ireland. It has spent more than €300m on improved 3G mobile services and high-speed 4G mobile broadband for customers.

Open Eir is the largest wholesale operator in Ireland, providing products and services to more than 40 wholesale customers and 400,000 end users, across a range of regulated and unregulated markets.