What is an LEI number?

Total LEI Team
Total LEI Team
Created: Jan 8, 2026Updated: Jan 8, 2026Est. reading time: 2 min

A Legal Entity Identifier, or LEI, is a unique 20-character alphanumeric string that functions effectively as a global identity card for businesses. Developed under the oversight of the G20, its primary purpose is to provide a clear, undeniable identification mechanism for entities participating in financial transactions, thereby enhancing transparency across the global marketplace.