Bankrate.com
Rafael Zorrilla, Director, Interactive Marketing

"Efficient Frontier has enabled automation; therefore, we don't have to touch our campaigns on a daily basis."

Replacements Ltd.
Jack Whitley, Senior Vice President, E-Commerce

"I would recommend Efficient Frontier to any company who wants to be effective online and in a large way."

Ask.com
Natalie Cann, Marketing Manager IAC Search & Media

"Efficient Frontier was the best solution because of their strong bid management technology and their ability to manage a large portfolio of keywords to our campaign goals."