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Bismark Tax

Los Angeles tax law firm representing individuals and businesses in IRS, state and sales tax disputes

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About Bismark Tax

Bismark Tax is a Los Angeles firm of tax attorneys and tax professionals that deals only with tax controversies. It represents people and companies facing audits or unpaid tax bills with the IRS, California agencies and sales tax authorities. Although based in Los Angeles, it takes on taxpayers in all 50 US states.

What Bismark Tax does

  • Income tax audits: representation when the IRS or a state agency examines a return.
  • Sales tax audits: defence in audits by the California Department of Tax and Fee Administration (CDTFA).
  • California Franchise Tax Board cases: handling disputes with the state income tax authority.
  • Collection cases: help for clients who owe tax they cannot pay in full, through an offer in compromise or an installment agreement.
  • Back taxes and filing advice: guidance for taxpayers with unfiled or incorrect returns.

Who it works with

Individuals, families and corporations with federal, state or sales tax problems, locally in Los Angeles and nationwide.

Key facts

  • Based in: Los Angeles, California, United States
  • Founder: Isai Bismark Cortez, tax attorney
  • Track record: Around eight years representing taxpayers, according to its site
  • Coverage: Clients in all 50 states

Profile written by TrustList from the business's own published information, Sep 2026.

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Rankings

As of 2026-10-07. Organic ranks only; sponsored placements are never ranks.

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