Mazars Accounting, Auditing, Assurance, Consulting Services, Cost Segregation, Employee Benefit Plans, Financial Advisory Services, Governance, Risk and Compliance, International Services, Public Company Services, Supply Chain, Consulting, Tax Services, Wealth Advisors Since 1921, WeiserMazars LLP has provided a unique combination of foresight and experience when fulfilling client needs in accounting, tax and advisory services. Named a top U.S. accounting firm by Accounting Today, WeiserMazars' team of professionals brings technical expertise, industry insight and an integrated, customized approach to dealing with the critical issues and competitive challenges facing the firm's clients.