Edmunds.com is an American online resource for automotive information. The company is headquartered in Santa Monica, California, and maintains an office in downtown Detroit, Michigan. Edmunds is privately held, with CarMax holding a minority stake. The company began as a publisher of printed booklets consolidating automotive specifications to help car shoppers make buying decisions. Edmunds.com now publishes a digital car shopping and research platform, including mobile apps, an extensive editorial content library, and a user-generated car review platform.