
LEI Code and KYB: How to Identify Business Partners Reliably
What is KYB? KYB, or Know Your Business, is the process of verifying the identity, ownership structure, and legal status of business partners, suppliers, and clients — both before and during a business relationship. KYB developed as part of the broader KYC (Know Your Customer) framework. KYC covers customer due diligence in general, applying to both individuals and legal entities. KYB is more specific: it focuses on legal entities in particular. The core question is not only who the individual is, but what the company actually is, who owns it, and who acts on its behalf. KYB emerged in response to a clear regulatory gap. For decades, individual identities faced strict scrutiny, while companies operated under much weaker requirements. As a result, legal entities became a vehicle for concealing money laundering, terrorist financing, and other financial crime. In Europe, regulators







