Public Tool

Auditor Lookup (TFAC)

Enter a company's 13-digit tax ID to see which certified public accountants (CPAs) have audited it in recent years.

Data source: eservice.tfac.or.th (Thai Federation of Accounting Professions)

Search by Tax ID

How to Use

  1. 1Enter the company's 13-digit tax ID (เลขผู้เสียภาษี). The system validates the checksum in real time.
  2. 2Click Search. The system will query the TFAC database for the last 5 years.
  3. 3Results show the auditor name, period end date, and reporting date for each year found.

Disclaimer: This tool retrieves public data from the TFAC official website. Data accuracy depends on what companies have reported to TFAC. For official verification, please visit eservice.tfac.or.th directly. This service is provided free of charge for informational purposes only.

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