Advertising technology company Collective has raised $34 million in an investment round led by Columbia Partners. Accel Partners, Greycroft and iNovia also participated in the round. The company has reportedly raised $100 million in debt and equity to date.

“With this increased investment, we will be able to accelerate the rollout of new features and functionality in the second half of 2016 and into 2017,” said Joe Apprendi, founder and CEO, Collective.