Ally Financial
About Ally Financial Inc. (formerly GMAC) is an American digital financial services company and bank holding company, headquartered at 500 Woodward Avenue, Ally Detroit Center, Detroit, Michigan 48226. Rebranded as Ally in 2010, the company offers auto financing, online banking, home loans, and investing services, and trades on the NYSE under the ticker ALLY. Ally Bank, its banking subsidiary, is separately headquartered at 200 West Civic Center Drive, Sandy, Utah 84070. Quick Facts Founded 1919 (as GMAC; rebranded Ally 2010) Industry Digital banking, auto finance & investment services HQ Address 500 Woodward Ave, Detroit, MI 48226 Ally Bank HQ 200 West Civic Center Dr, Sandy, UT 84070 NYSE Ticker ALLY Corporate Phone (866) 710-4623 Auto Finance Customer Service 1-888-925-2559 Bank