Ireland’s corporate tax rate is one of the lowest in the world, consistently at 12.5%. The quality of corporate investment is the first in the world, known as the “Silicon Valley of Europe”, and has been rated as the world’s best investment country for many consecutive years. Due to the ultra-low tax rate, Ireland has become the preferred country for the European headquarters of major multinational companies, mainly the top 500 companies in finance, IT and medicine. At present, the multinational companies that have set up a European headquarters in Ireland are: 9 of the top 10 software companies in the world; 13 of the world’s top 15 medical technology companies.