Ally Financial is a bank holding company organized in Delaware and headquartered in Detroit, Michigan. The company provides financial services including car finance, online banking via a direct bank, corporate lending, vehicle insurance, mortgage loans, and an electronic trading platform to trade financial assets. Ally is one of the largest car finance companies in the U.S., providing car financing and leasing for 4.5 million customers and originating 1.4 million car loans annually. It is on the list of largest banks in the United States by assets and has 2.0 million depositors. Its electronic trading platform has approximately 350,000 funded accounts. Via its SmartAuction online marketplace for auto auctions, launched in 2000, the company has sold more than 5 million vehicles, including 270,000 vehicles sold in 2019. The company was known as GMAC, an acronym for General Motors Acceptance Corporation, until 2010.