As of 3 January 2018, LEIs are mandatory for all companies who wish to continue trading in securities.
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Legal Entity Identifier Statistics for the United Kingdom

Last update 07/08/2026

General information

The United Kingdom is one of the leading economies in the world with very active financial markets. Parties wishing to trade with securities have been obliged to have LEI code since 2018. This has accelerated LEI adoption significantly in the country. Continuous effort in making financial transactions safer and more transparent has led to the proposal of number of acts that support further LEI issuance in the United Kingdom. It is also one of the countries with the most LEI codes in the world. There are a number of LOUs with accreditation from GLEIF to issue LEIs in the United Kingdom. Below a data about the ten biggest LOUs in the country together with LEI statistics by region is visible.
230,119
Total LEIs issued

New LEIs Issued in the United Kingdom

Market Share Report (All LEIs)

LONDON STOCK EXCHANGE LEI LIMITED (LSEG LEI) (158,924)
Ubisecure Oy (RapidLEI) (32,912)
Bloomberg Finance L.P. (Bloomberg LEI) (18,916)
EQS Group GmbH (9,631)
Nasdaq CSD SE (4,175)
Herausgebergemeinschaft Wertpapier-Mitteilungen Keppler, Lehmann GmbH & Co. KG (2,283)
Nordic Legal Entity Identifier AB (1,045)
The Irish Stock Exchange Public Limited Company (750)
GS1 (511)
Bundesanzeiger Verlag GmbH (216)

Market Share Report (Active LEIs)

LONDON STOCK EXCHANGE LEI LIMITED (LSEG LEI) (48,793)
Ubisecure Oy (RapidLEI) (22,206)
Bloomberg Finance L.P. (Bloomberg LEI) (10,417)
EQS Group GmbH (5,221)
Nasdaq CSD SE (3,914)
Herausgebergemeinschaft Wertpapier-Mitteilungen Keppler, Lehmann GmbH & Co. KG (1,375)
Nordic Legal Entity Identifier AB (884)
The Irish Stock Exchange Public Limited Company (276)
GS1 (253)
Bundesanzeiger Verlag GmbH (145)

Top LOUs by number of LEIs Under Management and Active Ratio

Regional Statistics for LEI Issuance

Name
Active ratio
All LEIs / Active LEIs
23 %
827 / 190
70 %
128 / 90
64 %
249 / 160
81 %
216 / 174