Guaranteed Rate Inc., is a U.S. residential mortgage company, headquartered in Chicago, Illinois. Founded in 2000 by Victor Ciardelli, the company employs approximately 3,000 and was ranked as the 8th largest lender in 2015. The company has approximately 175 offices nationwide and has licenses in 50 states. In 2013, Guaranteed Rate was listed as one of the fastest growing companies in Chicago. In 2015, they funded $18 billion in home loans.