The Big Four - Accounting firms under scrutiny | DW Documentary

The Wirecard scandal brought the role of big auditing firms into focus. Their work is supposed to create trust in companies. But are appearances deceptive? EY, PwC, KPMG and Deloitte: these "Big Four" auditing firms are hardly household names. Yet they play a key role in the global economy. They have also all been at the center of a number of major financial scandals. For ten years, auditors at EY (Ernst & Young) certified Wirecard's annual financial statements.