American institute of CPAs is a professional accounting organization of certified public accountants that engages in a variety of professional activities, including establishing auditing standards, conducting research, and working closely with the FASB in establishing financial reporting standards). It is a professional accounting organization that engages in a variety of professional activities, including establishing auditing standards, conducting research, and working closely with the FASB in establishing financial reporting standards. It does not issue certificates. Institute of management accountants issues a certificate in management accounting