Office of the Comptroller of the Currency | 73,380 followers on LinkedIn. The OCC ensures banks operate in a safe and sound manner and provide fair access to financial services. | The Office of the Comptroller of the Currency (OCC) charters, regulates, and supervises all national banks and federal savings associations. The OCC also supervises the federal branches and agencies of foreign banks. Our goal in supervising banks and federal savings associations is to ensure that they operate in a safe and sound manner and in compliance with laws requiring fair treatment of their customers and fair access to credit and financial products.