Morrisville-based Clinipace Worldwide raised $50 million from investors – and the pharmaceutical research company plans to put that money to work through more acquisitions.

It’s a strategy Clinipace and its CEO Jeff Williams have employed for the past few years to grow at almost breakneck pace. The company has a three-year growth rate of 348 percent and added more than 450 jobs since 2012.

That said, Williams highlights organic growth as well. After all, Clinipace is now home to 700 global staff,…