Legal Entity Identifier Data Simplified

LEI Checkup

Regulators are enforcing LEI requirements.
LEI Checkup verifies your data is compliant, identifies open issues and provides remediation guidance.
Learn More

Smart Match

Mapping in-house data to LEIs is a challenge.
Smart Match uses advanced text matching algorithms to improve match rates and speed the process.


An LEI is static but its reference data is not.
Alerts provide targeted notification of data updates that have compliance or risk implications.

Data Feeds

Need LEI data for your in-house database?
LEI Smart provides easy-to-use and cost effective data feeds customizable to your needs.


Our API exposes the advanced search and validation services we built for our own applications. If you need more than LEI lookup, we’ve got you covered.


LEI Smart has the domain expertise, as well as the development and QA tools to move your project forward quickly and effectively.

Expert Guidance

LEI Smart's Ben Lis writes about legal entity identifiers and related topics. Subscribe to our newsletter for his latest tips and insights.

Four LEI Monitoring Misconceptions

By Ben Lis on September 4, 2018

LEI monitoring is the automated surveilling of the global legal entity identifier system for data updates that impact your firm. For example, when a client changes its legal name or jurisdiction, an LEI monitoring solution alerts systems and staff of the change. In my extensive discussions on LEI data, I’ve encountered four misconceptions about monitoring which I list and rebut below.

Continue reading

LEI Data Is Not Static

By Ben Lis on August 7, 2018

After an LEI is issued, the data associated with it can change. A counterparty could amend its legal name or change jurisdiction. Or, a corporate action might result in a new LEI for a client. These sorts of updates are more varied and frequent than is generally recognized. Failing to update in-house data to reflect these changes can result in a hefty fine, trade breaks, or unrecognized risk exposures.

Continue reading

Understanding LEI Names

By Ben Lis on May 14, 2018

A legal entity has an official legal name, and it may also be identified by other names such as a trade name. This is why the LEI common data format requires every LEI to have a legal name and supports other name types. You can use this name data to find the LEI of a party, such as a client, or as a data source for in-house databases. This post provides some tips for using LEI name data.

Continue reading

Understanding LEI Status

By Ben Lis on March 5, 2018

Every LEI has not one, but two statuses associated with it. These statuses change over a legal entity’s lifecycle and often have critical implications for regulatory compliance and risk management. To appreciate these implications, you need to understand the different status values. In this post we define each status, describe the values each can assume and provide stats on the current distribution of these values across the LEI universe. We discuss the relationship between the two statuses and list the reasons a status can change.

Continue reading