Accounting and consulting firm Wipfli LLP said Tuesday that Chicago area CPA firm BIK & Co. LLP has joined the firm, effective Jan. 1. The merger marks the third combination with a Chicago-area firm in the past 12 months for Wauwatosa-based Wipfli. The merger expands Wipfli's presence in Chicago by adding 58 professionals, including 13 partners. "Wipfli has been growing significantly in the Chicago area over the past five years and this combination with BIK will help us to further enhance our...