Guaranty Financial Corp. operates as a bank holding company for Guaranty Bank, which provides personal banking, online banking, and business banking services. Its personal banking services include checking, savings, credit cards, checkpress, credit builder, and retirement planning. Online banking services include billpay, online statements, mobile banking, and a security center. Business banking services include business checking, business savings, business credit cards, merchant services and an employee privilege program. The company is headquartered in Brown Deer, WI.