QuinStreet Inc was incorporated in California on April 16, 1999 and reincorporated in Delaware on December 31, 2009. The Company operates as an online vertical marketing and media company in the United States and internationally. It offers its services to education and financial services industries. It also has a presence in the business-to-business technology, home services and medical industries. It operates in one reportable segment which is DMS. The remainder of its business is classified as 'All Other'.It competes with advertising and direct marketing services agencies, and online marketing and media companies. The Company's business is subject to federal and state laws and regulations regarding unsolicited commercial email, telemarketing, user privacy, search engines, Internet tracking technologies, direct marketing, data security, data privacy, pricing, sweepstakes, promotions, intellectual property ownership and infringement, trade secrets, export of encryption technology, acceptable content and quality of goods, and taxation, among others.