In Ireland, the Corporate Income tax rate is a tax collected from companies. Its amount is based on the net income companies obtain while exercising their business activity, normally during one business year. The benchmark we use refers to the highest rate for Corporate Income. Revenues from the Corporate Tax Rate are an important source of income for the government of Ireland. This page provides the latest reported value for - Ireland Corporate Tax Rate - plus previous releases, historical high and low, short-term forecast and long-term prediction, economic calendar, survey consensus and news. Ireland Corporate Tax Rate - actual data, historical chart and calendar of releases - was last updated on May of 2018.