Adchemy raises $31M to increase online ad spending

Adchemy, a marketing firm trying to convince more major brands to advertise online rather than through traditional channels by offering advanced data analysis, has brought in $31 million in venture financing from Accenture, Mayfield Fund and August Capital. Based in Redwood City, the company has now raised $58 million total, from other backers including Hellman & Friedman, Google AdSense co-founder Georges Harik, Half.com founder Josh Kopelman, and other individual investors.

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