We match online consumers to product and service providers. We help product or service providers reach “Research and Compare” customer prospects in the world’s largest channel. QuinStreet is a lead-generation/performance-marketing company that sells and shares consumer data with advertising partners. The privacy notice links to separate request forms (Request to Know, Delete, Correct, and a 'Do Not Sell or Share My Personal Information' opt-out) but the page text does not expose the actual URLs, so start from the privacy notice and use the footer link, or call (888)-945-1080. Note the company warns it usually cannot verify your identity and may respond with only a general description of its data practices instead of your specific data; its own 2025 reporting shows averages of 1 day for deletion/opt-out and 22 days for access requests. Appeals go to legalq@quinstreet.com.