Alliant Credit Union is the largest credit union headquartered in the state of Illinois. Based in Chicago, Alliant operates primarily as a nationwide digital financial institution, managing billions of dollars in assets and serving hundreds of thousands of members across the United States. Providing exceptional online and mobile banking experiences, high-yield savings products, low-rate personal loans, and competitive mortgage financing, Alliant eliminates traditional brick-and-mortar overhead to deliver superior financial returns directly to its member-owners.