Clearlake Capital Group LP and Siris Capital Group LLC announced today a $400 million growth equity investment by their affiliates in Constant Contact Inc., cloud-based digital marketing company. The company will continue to focus on delivering services to businesses interested in targeted, data-driven marketing. As part of the investment, Constant Contact will spin-out from previous owner Endurance International Group Holdings Inc. and move forward as a standalone business.

“Constant Contact is one of the most well respected and recognized franchises in all of digital marketing and is poised to benefit from a number of significant growth drivers in the near-term,” said James Pade, partner at Clearlake. “We believe that this investment will provide the management team with significant resources to rapidly bolster the go-to-market organization and make large-scale investments in the product platform.”