QuinStreet, Inc., an online performance marketing company, provides customer acquisition services for its clients in the United States and internationally. The company offers online marketing services, such as qualified clicks, leads, calls, applications, and customers through its websites or third-party publishers to financial and home services industries. It also develops the QuinStreet Rating Platform product for insurance agents and the CloudControlMedia that provides performance marketing agency and technology services to clients in financial services, education, and other markets. The company was incorporated in 1999 and is headquartered in Foster City, California.