Kelly O'Neil | CBIZ, Inc.


Kelly  O'Neil

Lead Managing Director

Phone: 310-268-2035
Fax: 310-268-2001
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Kelly O'Neil, CPA, IFRS, is a managing director at CBIZ MHM, LLC a national accounting and financial services provider, and a shareholder at Mayer Hoffman McCann P.C. (MHM), a national CPA firm which provides audit and attest services. Kelly’s expertise is providing audit and consulting services to manufacturing, distribution, construction and real estate entities, retail and apparel companies, defense contractors for both public and large privately-held companies, including many backed by private equity and venture capital.


Kelly has a strong understanding of business processes and has been instrumental in developing solutions for corporate management on various accounting matters with significant focus on compliance, operations and internal control environments and the related financial statement impacts. She specializes in revenue recognition, business combination and purchase accounting, accounting for stock-based compensation, equity and debt instruments, derivatives accounting, and general business consulting, enabling her clients to make informed decisions on financial reporting matters.


  • State University of New York at Fredonia - Bachelor of Science, Accounting

Professional Designations

  • Certified Public Accountant

  • International Financial Reporting Standards Certified

Professional Memberships

  • Member, California Society of Certified Public Accountants

  • Executive Board, CBIZ Women's Advantage

  • Member, American Institute of Certified Public Accountants

  • Association for Corporate Growth

  • IFRS Certification, American Institute of Certified Public Accountants

Associated Offices

Los Angeles - CBIZ MHM, LLC - Los Angeles 10474 Santa Monica Blvd.
Suite 200
Los AngelesCA  90025

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