Stewart Information Services Corporation (SISCO) is a customer-driven, technology-enabled, and strategically competitive real estate information, title insurance and transaction management company. Wholly owned subsidiaries, Stewart Title Guaranty Co. and Stewart Title Company offer products and services in the U.S. and abroad through its direct retail operations, independent agencies in the Stewart Trusted Provider network, and other companies within the Stewart family. Stewart Title is headquartered in Houston, Texas, United States, and has approximately 6,350 employees.

Stewart provides these services to homebuyers and sellers; residential and commercial real estate professionals; mortgage lenders and servicers; title agencies and real estate attorneys; home builders and developers; relocation professionals; and United States and county governments. Stewart also provides loan origination and servicing support; loan review services; loss mitigation; REO asset management; collateral valuations; due diligence for capital markets; home and personal insurance services; tax-deferred exchanges; and technology to streamline the real estate process.

Founded by Maco Stewart in 1893 in Galveston, Texas, the company has grown to offer title insurance policies and escrow services in more than 80 countries. In 2014 Stewart Title was recognized by Forbes as one of the 50 Most Trustworthy Financial Companies in America. In 2012, SISCO was nationally recognized in Forbes’ Top 100 Most Trustworthy Companies in the U.S. It was number four on the 2007 FORTUNE magazine’s "America’s Most Admired Companies" in "Mortgage Services". It was also number 703 on the Fortune 1000 list in 2006.