AdHarmonics Ranks No. 70 on 2014 Inc. 500/5000 with 4,669% Growth

AdHarmonics, a quantitative internet marketing firm based in Cambridge, and part of the Cogo Labs family of companies, is ranked 70th on the 2014 Inc. 5000 list.

Published each year since 1981, Inc. Magazine’s 5000 list is an exclusive ranking of the nation’s fastest-growing private companies. This is the first year that AdHarmonics, which focuses on applying mathematics and technology to its clients’ online customer acquisition programs, has ranked on the list.

According to the Inc. Magazine rankings, AdHarmonics has the 6th fastest growth among the Top 20 Advertising & Marketing Companies, and the 3rd fastest growth of companies in the Boston Metro Area and in Massachusetts. Since its founding in January 2011, AdHarmonics has grown 4,669%.

"We’re honored and excited to be named to this year’s list," said Co-Founder and CEO Seth Birnbaum. He credited the entire AdHarmonics team for the company’s tremendous growth and success.

Launched in January 2011, AdHarmonics has built the largest online auto insurance marketplace in the U.S. Through its flagship website,, the company enables consumers to efficiently connect with auto insurance carriers and agents best suited to meet their needs. The recent Inc. 5000 ranking highlights AdHarmonics’ title as one of the fastest growing technology firms in Cambridge and Boston history.