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Greece TIN validator

Check whether a Greece AFM follows the expected structure before you save it, send it to an API, or include it in a tax workflow.

Private by design

Your data stays in your browser

None of the TIN data you enter is ever saved to our servers — validation runs entirely on your device.

Validation Workspace

Validate AFM

Enterprise checks for Greece tax identification numbers.

Instant one-by-one format validation

Greece

Country

Greece

Type

Private · AFM

Awaiting input

Format varies by entity type. See OECD guidelines for details.

Try a sample private AFM to verify format compliance.

How Greece tax IDs are formatted

In Greece, the tax identifier is commonly known as ΑΦΜ (AFM). The expected format is Format varies by entity type. See OECD guidelines for details.. Teams usually need a Greece AFM check around tax filing, financial reporting, business registration, or before a record moves into billing, onboarding, or compliance review.

Valid examples

    Invalid examples

      What this validator checks

      Format and length

      Confirms the number follows the expected Greece pattern: Format varies by entity type. See OECD guidelines for details..

      Useful examples

      Shows valid and invalid-looking samples so you can compare spacing, separators, letters, and digit counts before submitting real data.

      When people usually check this number

      • Tax filing
      • Financial reporting
      • Business registration

      A format match does not prove that a Greece tax ID belongs to a specific person or business. Use the result as a first-pass data quality check, then confirm sensitive cases with official records.

      Official source: OECD

      Last reviewed: May 23, 2026. We update country guidance when public format rules change.

      How to check a Greece AFM

      Use this check before a record reaches billing, tax reporting, or manual review.

      1

      Enter the AFM

      Paste or type the Greece tax identifier exactly as it appears in your source record. Spaces and separators are fine when they are part of the expected format.

      2

      Review the format result

      Check whether the number matches the known Greece structure, including length, separators, letters, and checksum rules where public guidance includes them.

      3

      Confirm important records

      For onboarding, tax reporting, or compliance work, treat the result as a data-quality signal and confirm high-risk records with OECD or your internal process.

      Frequently asked questions

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