The ICAI, a voluntary membership organization established by Royal Charter in 1888, is a member of the Consultative Committee of Accountancy Bodies (CCAB)-UK and the CCAB-Ireland. The institute is a Prescribed Accountancy Body and an Recognized Accountancy Body in Ireland, and an Recognized Supervisory Body and Recognized Qualifying Body in the UK. The ICAI is a member of IFAC and Accountancy Europe.