Clearspring is the largest publisher sharing network on the web. Clearspring’s AddThis reaches over 1B unique users monthly WW, and is used by over 9MM unique publisher domains. Clearspring’s Audience Platform enables brand advertisers to reach these social audiences via interest-based advertising.


Date Type Amount Investors Valuation
05/01/06 Seed 2.5M Joel Adams, Steve Case, Miles Gilburne, Bobby Yazdani, Mark Jung, Ted Leonsis Unknown
11/01/06 Other 2M Novak Biddle Venture Partners, ZG Ventures Unknown
11/01/06 Other 2M Novak Biddle Venture Partners, ZG Ventures Unknown
View more financial info about ClearSpring


Rajan Shah (Vice President, Publisher Services)

Tige Savage (Board Member)

Nigel Morris (Board member)

Robert Van Nimen (Senior Vice President, Finance)

Rich LaBarca (Vice President, Advertising Products)

View more details about all 21 people at ClearSpring


Ehab: is the first true end-to-end platform that allows SMBs all the to the large enterprise… See Company Profile »
Pogostick: is quickly becoming the premiere provider of social networking applications and presence to entertainers world-wide.… See Company Profile »
Widgadget: It is a new project that wishes to popularize widgets. It is designed to help users,… See Company Profile »
youcalc: youcalc offers an on-demand analytics platform for business and private use. Business users can run any… See Company Profile »
SpotRails: SpotRails is an ad serving platform and network for video- and widget-ads. SpotRails offers publishers an… See Company Profile »

View more details about all 10 competitors