Wintrust mortgage is one of the nation's top 20 bank-owned retail mortgage originators and loan servicers. It is the division of Barrington Bank & Trust Company. Additionally, it was established in 1979 and is headquartered in Rosemont, Illinois. It offers a wide variety of mortgage products at competitive rates and has cutting-edge technology and support staff to ease you through the process. It has more than 65 lending offices nationwide and is committed to serving the financial need of homeowners across the country.