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Legal Entity Identifier (LEI) Hub

The Legal Entity Identifier (LEI) is a 20-character alphanumeric code based on the ISO 17442 standard, establishing unique identifiers for legal entities participating in financial transactions.

LEI Resource Center

Securing a Legal Entity Identifier (LEI) is mandatory for legal entities engaging in global financial markets and reporting derivatives. This hub links the official ISO structure rules, validation tools, and lookup registries.

LEI Intent Pages & Guides

What is an LEI? — Complete anatomical structure decode of the 20-digit ISO 17442 code.
How to Get an LEI — Standard GLEIF registration process and cost estimates.
LEI vs DUNS vs EIN — Comparison of global, credit, and tax identifiers.
LEI Registry Lookup — Search instructions and links to the GLEIF Golden Copy.
Pillar Guide: LEI Compliance — In-depth guide to international compliance rules.
LEI Format Validator Tool — Instantly check and validate an LEI checksum.