Three is Ireland’s largest mobile telecommunications provider with 48.7% market share with almost 5.1 million customers (as of March 2025). Three has to date invested over €2 billion in building our business in Ireland. This includes a €1.1 billion investment in upgrading and expanding our network and IT infrastructure, delivering a cutting-edge experience for both our customers and our employees.
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Three is Ireland’s largest mobile telecommunications provider with 48.7% market share with almost 5.1 million customers (as of March 2025). Three has to date invested over €2 billion in building our business in Ireland. This includes a €1.1 billion investment in upgrading and expanding our network and IT infrastructure, delivering a cutting-edge experience for both our customers and our employees.
