The aggressive growth strategy by Travelsupermarket.com has seen it sign up a number of major partners during 2006 and also launch a package holiday search function.
The deal with EasyCar will give users access to prices across the company’s range of products in 57 countries.
EasyCar chief executive Steve Maltby said: “Working with Travelsupermarket.com provides us with a platform which delivers both significant traffic volumes and high conversions of click-to-book.”
Travelsupermarket director Chris Nixon said: “We pride ourselves in offering the best deals around and being at the cutting edge of innovation in order to provide an excellent service to customers.
“The addition of EasyCar is great news all round as it provides our users with yet another big brand car hire provider which offers great value car hire in 47 countries.”