LEI Format Validator

Verify if an LEI conforms to the ISO 17442 standard and check if it exists in the global LEI database

Validate Legal Entity Identifier

Enter an LEI code to validate its format according to ISO 17442 standard and check if it exists in the global LEI database.

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Enter a 20-character Legal Entity Identifier

About LEI Format

A Legal Entity Identifier (LEI) is a 20-character, alpha-numeric code that connects to key reference information that enables clear and unique identification of legal entities participating in financial transactions.

The LEI format follows ISO 17442 standard:

  • Characters 1-18: Entity-specific alphanumeric characters (uppercase letters or numbers)
  • Characters 19-20: ISO 7064 (MOD 97-10) check digits