Sovrn completed its acquisition of U.K.-based Signal, which has patent-pending technology that aims to help publishers improve monetization by making ad inventory completely viewable. The supply-side platform (SSP) and exchange also announced plans to expand in the U.K. and European markets.
Sovrn Completes Acquisition of U.K.-Based Signal, Enables European Expansion
sovrnmarketing // April 20, 2016