Full service business accounting and advising firm, member of the American Institute of Certified Public Accountants, Wisconsin Institute of Certified Public Accountants, and the National Association of Certified Valuation Analysts. We specialize in assisting closely held companies including healthcare, real estate, construction, manufacturing, artists, service companies, securities and more. Audits, reviews, compilations, corporate and individual taxation and regulatory compliance, valuations, and business consulting. Formerly: Sitzberger, Hau & Co, SC 2014-2017 Sitzberger Widmann & Co 2000-2013 Sitzberger & Co 1994-1999