Wintrust Financial Corp is a financial holding company that operates community banks, specialty finance companies, and other financial services businesses primarily in the Chicago metropolitan area and surrounding regions. The company provides commercial and retail banking services, mortgage origination, wealth management, and premium finance solutions through its network of community bank subsidiaries and specialized lending units. Wintrust serves individuals, small to mid-sized businesses, and institutional clients through approximately 170 banking locations across Illinois, Wisconsin, and northwest Indiana.