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Sean Lager CPA

Audit Partner

Atlanta, GA
Audit/ Attestation, Revenue Recognition,
Construction, Hospitality & Leisure, International, Manufacturing & Distribution, Real Estate, Technology,


As an Assurance and Advisory Partner, Sean Lager brings more than 20 years of experience to the growth and development of the assurance and advisory practice of Frazier & Deeter. His experience encompasses global and domestic companies reporting under U.S. Generally Accepted Accounting Principles (U.S. GAAP), as well as International Financial Reporting Standards (IFRS). Sean is the national leader of the firm’s technology practice and a technical accounting expert with significant involvement with large- to middle-market companies in the service, international manufacturing & distribution and broker-dealer industries. He provides technical accounting guidance in ASC 606 Revenue from Contracts with Customers (and IFRS 15), Leases (ASC 842 and IFRS 16) and Business Combinations.

Sean was appointed by his peers in the global profession to serve on IFAC’s Transnational Auditors Committee and was formerly the vice chairman of the AICPA’s Technical Issues Committee. As a result of the issuance of Topic 606 Revenue from Contracts with Customers, Sean was appointed to the AICPA Auditing Revenue Task Force which contributed to the issuance of the AICPA Audit and Accounting Guide for Revenue Recognition.  Sean was recently appointed to the AICPA Financial Reporting Executive Committee (FinRec).

Sean previously served as a member of the AICPA committee to establish training and IFRS certification and was featured in the AICPA’s training video “Are You Ready for IFRS: Moving Beyond the Basics.”  In addition, he has been published in well-known trade magazines and domestic and global accounting publications, including the Journal of Accountancy, Chartered Accountants Magazine in Canada and the Atlanta Business Chronicle. Furthermore, Sean has delivered presentations and training programs to organizations around the globe such as the AICPA and various accounting networks regarding accounting and financial reporting matters ranging from U.S. GAAP, IFRS and IFRS for SMEs to the global convergence of financial reporting.

Professional and Civic Organizations

IFAC Transnational Auditors Committee
Georgia Society of Certified Public Accountants
American Institute of Certified Public Accountants
AICPA Auditing Revenue Task Force
AICPA Technical Issues Committee
Nicholas House | Past Chairman of the Board, Vice Chair and Treasurer
GSCPA Leadership Academy | Graduate and Task Force


Bachelor of Science, Accounting
Troy State University | Troy, AL