The company provides financial services including car finance, online banking via a direct bank, corporate lending, vehicle insurance, mortgage loans, and other related financing services such as installment sale and lease agreements.

[4] In 2006, General Motors sold a 51% interest in GMAC to Cerberus Capital Management, a private equity firm.

In 2009, Capmark filed for bankruptcy and its North American loan origination and servicing business was acquired by Berkadia, a joint venture of Leucadia National and Berkshire Hathaway.

[13] In April 2009 the bank announced plans to move its Charlotte office from Ballantyne to 106,525 square feet (9,896.5 m2) on four floors of 440 South Church, with possible expansion later.

[24] In October 2019, Ally acquired Health Credit Services (HCS), a technology-focused patient financing company based in Charlotte, North Carolina.

[32] In 2022, Ally committed to reach equal spending in paid advertising across women's and men's sports programming over the next five years.

[33] Sponsorships include: In December 2013, the Consumer Financial Protection Bureau (CFPB) and United States Department of Justice ordered the company to pay $80 million in consumer monetary damages and $18 million in civil penalties after determining that 235,000 minority borrowers paid higher interest rates for auto loans originated between April 2011 and December 2013 because of the company's discriminatory pricing system.

Ally provided an incentive for dealers to charge higher rates, in violation of the Equal Credit Opportunity Act.