EAST RUTHERFORD, NJ: A management team at MWW Group, including CEO and founder Michael Kempner, bought back the agency from Interpublic Group, making MWW one of the top five independent firms.

Financial terms of the deal were not disclosed. The agency, which was sold to IPG in 2000, is estimated to have $40 million in revenue in 2010. It has 200 employees in 10 offices.

The management-led buy-out was announced Tuesday and includes the Financial Relations Board, a ...