CPA Ireland, formerly the Institute of Certified Public Accountants in Ireland, is one of the main Irish accountancy bodies, with 5,000 members and students. The CPA designation is the most commonly used designation worldwide for professional accountants. One million qualified accountants worldwide are Certified Public Accountants. CPA Ireland was founded in 1926 and its members work in accountancy firms, the public sector, the financial services, and other private sector businesses.