You may find the following websites useful:-
The Courts Service of Ireland
https://www.courts.ie/
The Irish Revenue Commissioners
https://www.revenue.ie/
The Citzens Advice Bureau
https://www.citizeninformation.ie/
The Personal Injuries Assessment Board (PIAB)
https://www.injuriesboard.ie
The Private Residential Tenancies Board
https://www.prtb.ie/
National Consumer Agency
https://www.consumerconnect.ie/
The Companies Registration Office
https://www.cro.ie/
Irish Legislation
https://www.irishstatutebook.ie/
Financial Services Ombudsman
https://www.financialombudsman.ie/
Commission for Communications Regulation
https://www.askcomreg.ie/
Pensions Ombudsman
https://www.pensionsombudsman.ie/