Yelp, Inc. hosts an online database of user-generated reviews of local businesses. It provides reviews on local businesses, which include restaurants, boutiques and salons, dentists, mechanics and plumbers. The company provides multiple free and paid advertising solutions to engage with consumers, including free online business accounts, search advertising and Yelp Deals. Yelp was founded in September 3, 2004 by Jeremy Stoppelman and Russ Simmons and is headquartered in San Francisco, CA.