Steven Madden has acquired Compo Enhancements, its e-commerce service provider, and has named Jeffrey Silverman, Compo’s founder and chief executive, as president of Steven Madden. Silverman, who has founded several footwear brands during his career, started Compo in 2005 specifically to provide e-commerce services to Steven Madden. He will report directly to Jamieson Karson, chief executive and chairman of Steven Madden. Financial terms of the acquisition were not disclosed.