Apple, Microsoft, Google, Facebook, Dell and Oracle all have their EU headquarters in Ireland, in addition to a number of very large pharmaceuticals companies.

Apple, Microsoft, Google, Facebook, Dell and Oracle all have their EU headquarters in Ireland, in addition to a number of very large pharmaceuticals companies. That's entirely due to an extremely generous corporation tax regime, which the EU has recently taken steps to curtail. https://en.wikipedia.org/wiki/Double_Irish_arrangement https://en.wikipedia.org/wiki/Double_Irish_arrangement Ireland's GDP was so severely distorted by tax avoidance that the Central Bank had to devise an alternative measure. https://en.wikipedia.org/wiki/Modified_gross_national_income https://en.wikipedia.org/wiki/Modified_gross_national_income