3435 Wilshire Blvd #600
Los Angeles, CA 90010
Mon - Fri 8:30 - 17:30
Sat - Sun Closed

Since 1993 | ABC CPAs

ABC CPAs was established in 1993 by Byung Chan Ahn, CPA.

Since then, ABC CPAs has become a leading professional company of Certified Public Accountants that is especially well-recognized within the Korean-American Community.

ABC CPAs is a professional team comprised of highly-trained, educated and qualified associates. ABC CPAs continues to offer its clients the best possible service by fulfilling one’s tax related needs.

Byung Chan Ahn, CPA   


ABC CPAs is dedicated to offering excellent, professional expertise for all accounting and taxation needs. ABC CPAs is committed to keeping its clients updated on tax-related news and new policies that continue to surface.


ABC CPAs is highly experienced and offers a wide range of knowledge and expert retention services pertaining to assets, accounting and taxation. We work closely with many businesses that have multiple branches in the United States and abroad.


ABC CPAs is committed to maintaining open lines of communication, to keep members of our community informed about important issues and upcoming events.

ABC CPAs - Available Services


  • Audit, review, and compilations
  • Financial Statement Analysis
  • Preparation of forecasts and budgets
  • Due diligence
  • Accounting system support


  • Individual, Corporation, LLC, Partnership,Trust, Non-profit organizations
  • Income tax and Estate tax planning
  • Multi-states and local tax services
  • Tax structure analysis and consulting

Tax Audit/Tax Credit

  • Tax audit services (IRS, FTB, SBOE, EDD)
  • OVDP (Offshore Voluntary Disclosure Program)
  • IRS appeal/Tax problem solving
  • Applications for Federal and State tax credits


  • Business and Corporation setup
  • Business consulting
  • Mergers and Acquisitions
  • Strategic business planning
  • Valuation service