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Please note that the following software will not display firm filings accurately: Versions 10.1.7 and 10.1.8 of Adobe Reader X and Adobe Acrobat X Pro; and versions 11.0.03, 11.0.04, and 11.0.05 of Adobe Reader XI and Adobe Acrobat XI Pro.


The Registration Annual and Special Reporting System provides access to publicly available PCAOB information concerning accounting firms. You can search firms by name, first letter of firm name, country or audit practice. You can also access a complete list of firms.

New Users

You will need a username and password to register your firm with the PCAOB.

Authorized Users

  • Registration Application (Form 1)
  • Annual Report (Form 2)
  • Special Reports (Form 3)
  • Succeeding to Registration Status of Predecessor (Form 4)
  • Auditor Reporting of Certain Audit Participants (Form AP)
  • Registration Withdrawal (Form 1WD)