Guaranteed Rate Companies is a U.S. residential mortgage company headquartered in Chicago, Illinois. Founded in 2000 by Victor Ciardelli, the company had $73 billion in funded volume in 2020. As of 2021, the company has more than 10,000 employees and more than 850 offices nationwide and is located in 50 states. Guaranteed Rate offers fixed- and adjustable-rate purchase loans, including FHA, VA, jumbo and interest-only mortgages. The lender also offers refinance and home-renovation loans.