When working in Ireland, you are responsible for paying tax on income you earn. How much you pay depends on the number of factors such as your status, whether you are registered as a company or not, the amount of time you will spend working here in a tax year etc. The standard rate of tax is 20% higher rate of tax 40%. You will receive some tax credits, which have the effect of reducing your tax by the amount of the credit. Tax credits vary depending on your personal circumstances. For more information on the Irish tax system click here.