AddThis logo vector
AddThis is a web technology company based in Vienna, Virginia, United States. The company operates AddThis.com, a widely used social bookmarking service that can be integrated into a website with the use of a web widget. Once the widget is added, visitors to the website can bookmark an item using a variety of services, such as Facebook, MySpace, Google Bookmarks, Pinterest, and Twitter. The site reaches 1.3 billion unique visitors monthly and is used by more than 14 million web publishers. The company changed its name from Clearspring in May 2012.
AddThis’s audience platform enables brand marketers to deliver interest-based advertising to social influencers. The company has raised over US$58 million in venture capital. Funding is from Institutional Venture Partners, New Enterprise Associates, Novak Biddle Venture Partners, Rho Ventures, as well as from angel investors Steve Case, Ron Conway, and Ted Leonsis.