VAS (Valuation Advisory Services) is a premier professional firm comprised of CPAs and credentialed valuation professionals that provide business valuation and taxation services. VAS serves small business owners across the U.S. and Canada across many different industries. We subscribe to the highest recognized valuation and professional accounting standards. Our professionals are members of one or more of the following: the American Institute of Certified Public Accountants (AICPA), American Society of Appraisers (ASA), National Association of Certified Valuation Analysts (NACVA), Institute of Business Appraisers (IBA), National Association of Tax Professionals (NATP), Alliance of Merger & Acquisition Advisors (AMAA) and the Business Valuation Association (BVA) Chicago Chapter.