Founded in 1861, Associated Banc-Corp operates as a regional bank holding company. It is the parent company of Associated Bank. All of the acquired assets of the company are merged under one brand name, the Associated Bank.

Serving the areas of Illinois, Minnesota and Wisconsin, the company is considered as the largest bank headquartered in Wisconsin, based on asset size. It is in Green Bay, Wisconsin that the business holds its corporate office. They have 200 banking offices across the three states and has assets valued to be more than $27 billion. The operations of the company are segmented into retail banking, commercial banking, commercial real estate, wealth management/private banking, associated financial group and specialized financial services.

The business is publicly traded on the New York Stock Exchange. Its common shares are marketed using the ticker symbol ASB. It thrives in the industries of financial services, bank-holding company and regional banks.