
The Search Works is being employed to drive traffic to the site that specialises in online insurance, money and utilities comparisons.
Tom Bennett, marketing director at Confused.com, said: "When it came to choosing an agency, not only did we require a specialist to handle our search strategy, we were also looking for an extension of our in-house marketing team that would push our campaigns to the next level."
Launched in 2002, Confused.com generates more than one million quotes per month.
The site is also believed to be reviewing its £20m offline media planning and buying requirements.