eircom Limited

eir is one of Ireland’s largest telecommunications providers, offering a comprehensive suite of services including fixed-line and mobile voice, broadband, TV, and data solutions. It operates under the brands eir, GoMo, and open eir (its wholesale division). eir serves residential, business, and government customers and has the most extensive telecom network in Ireland. The company is a key player in Ireland’s digital infrastructure, with major investments in fibre and 5G networks. Originally established as Telecom Éireann, it was rebranded as eir in 2015.