The firm's taxation practice concentrates in planning and tax controversy work representing both large and small corporate clients and individual clients. Among the areas in which the firm has engaged in substantial representations are the following.

• IRS and state audits and investigations
• Litigation of tax disputes before the United States Tax Court, Federal District Courts, Federal Courts of Appeal, and the Wisconsin Tax Appeals Commission
• The firm has extensive experience in tax matters affecting flow through entities, including limited liability companies, S corporations and partnerships.