Three Ireland is the largest mobile telecommunications provider in Ireland, serving nearly 5.1 million customers and holding a 48.7% market share as of March 2025. The company is owned by CK Hutchison Holdings, a multinational conglomerate with a presence in around 50 countries.
With over 1,200 employees, Three operates from its head office in Dublin and has a Customer Experience Centre in Limerick, which supports more than 1.7 million customers each year. The company has invested over €2 billion in its operations in Ireland, focusing on upgrading and expanding its network and IT infrastructure. Three boasts over 94% 5G coverage and 99% 4G coverage, providing mobile voice, broadband, and data services. It carries more than half of all mobile data traffic on its network.
Three aims to enhance customers' connectivity through meaningful products and exceptional service, ensuring a reliable network experience.
