WILsquare Capital, a private equity firm, completed the acquisition of OuterBox Solutions, a performance-driven digital marketing agency. Financial terms were not disclosed. "OuterBox is an emerging leader in the rapidly-growing area of performance marketing, serving as a critical partner to clients' digital commerce and marketing strategies. The company's core search expertise, demonstrated ability to drive client results and strong team orientation create a unique platform for continued growth in existing and adjacent channels and across various verticals," Andrew Scharf, WILsquare Capital Director.