
How LEI Works in Practice in the EU
Why LEI Is Not Just a Formal Requirement Many companies first encounter the LEI code when a bank, broker, or another financial service provider tells them they need one. The requirement often feels like another formal step before a transaction can move forward. From a company’s perspective, the LEI may seem like just a number without clear practical value. In reality, the Legal Entity Identifier (LEI) serves as a global identifier for legal entities. Financial markets and regulators around the world rely on it. The European Union adopted the LEI widely because it links transactions, counterparties, and risks in a clear and machine-readable way. This structure allows authorities to supervise markets automatically, across borders, and at scale. Why Companies in the EU Must Have an LEI Financial markets in the European Union handle a large volume of transactions involving legal







