QuinStreet, Inc. is a global digital performance marketing enterprise that specializes in helping clients acquire new customers. The company delivers various online marketing solutions, producing measurable results such as qualified web traffic, sales prospects, direct phone calls, submitted applications, and ultimately, new patrons. These services are facilitated through QuinStreet's proprietary online platforms or via its network of third-party publishers. The firm primarily caters to the financial and home services industries. Founded in 1999, its corporate headquarters are situated in Foster City, California.