LEI Reference Data and "Level 2" Parent Relationships
An LEI is only 20 characters, but it's a key that unlocks a structured public record about an entity. That record comes in two layers — "who is who" and "who owns whom."
Level 1: who is who
Level 1 data is the entity's own identity information, validated against an official registry when the LEI is issued and re-confirmed at each renewal. It typically includes:
- the official legal name;
- the registered and headquarters addresses;
- the country of formation and legal form;
- the business registry and registration number;
- the LEI's status and renewal date.
Level 2: who owns whom
Level 2 data describes an entity's corporate relationships — its direct parent and its ultimate parent, where those exist. This lets regulators trace ownership structures across borders, precisely the gap exposed by the 2008 crisis.
Reporting parents follows an "accounting consolidation" principle, and entities can record valid reasons why a parent isn't reported — for example, where disclosure isn't legally permitted. So a missing parent may be a recorded exception, not an omission.
Why data quality matters
Because the LEI is renewed annually, the reference data is kept current rather than frozen at registration. That ongoing maintenance is what makes the LEI trustworthy as a verification tool. (See How to look up and verify an LEI.)
See also What is an LEI code? and What is GLEIF?