Associated Banc-Corp. operates as a bank holding company, which offers various banking and non-banking financial services to individuals and businesses through its subsidiaries. It operates through the following segments: Corporate and Commercial Specialty; Community, Consumer and Business; and Risk Management and Shared Services. The Corporate and Commercial Specialty segment serves customers including businesses, developers, non-profits, municipalities and financial institutions.

The Community, Consumer & Business segment serves individuals, as well as small and mid-sized businesses. The Risk Management and Shared Services segment includes corporate risk management, credit administration, finance, treasury, operations and technology shared functions. The company was founded in 1964 and is headquartered in Green Bay, WI.