Understand what a GLEIF-accredited LEI issuer is and how accredited Local Operating Units work within the Global Legal Entity Identifier System. This TNV LEI resource explains the roles of GLEIF, LOUs, LEI issuers, and LEI providers in registering and maintaining Legal Entity Identifiers. Businesses can learn how entity information is validated, how LEIs are issued, and why accurate reference data matters. The guide is useful for organisations comparing LEI services or trying to understand who manages registration, renewal, and transfer processes.