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MARSH & MCLENNAN COMPANIES, INC.

Corporation · WILMINGTON, United States · LEI 549300XMP3KDCKJXIU47
LEI activegroup parent

Summary

MARSH & MCLENNAN COMPANIES, INC. is registered in the United States. Its legal form is Corporation. MARSH & MCLENNAN COMPANIES, INC. is the ultimate parent of a group of 116 subsidiaries in 28 countries, as reported to GLEIF. GLEIF gives this reason: no known person controls the entity, for example because its shareholders are diverse. It has 89 direct subsidiaries in GLEIF data. The LEI was first issued on 7 Jan 2014 and the record was last updated on 9 Sep 2026; the next renewal is due by 16 Dec 2026. GLEIF's ISIN mapping lists 25 ISINs for this LEI.

Written from GLEIF data using fixed, reviewed sentence templates.

Data-quality notes (AssetCensus analysis)

No data-quality notes for this entity in this data release.

Company details

Legal formCorporation
Register · Register website
Registration number706226
Registration authorityDivision of Corporations, Department of State
JurisdictionUnited States (US-DE)
Registered addressC/O CORPORATION TRUST CENTER, 1209 ORANGE ST, 19801 WILMINGTON, United States
Headquarters address1166 AVENUE OF THE AMERICAS, 10036 NEW YORK, United States
Categorycompany or other legal entity
Statusactive
Founded (per GLEIF)17 Mar 1969
LEI549300XMP3KDCKJXIU47
LEI statusactive
LEI first issued7 Jan 2014
LEI record last updated9 Sep 2026
Next LEI renewal16 Dec 2026
Corroboration of the LEI recordfully corroborated

Group membership

MARSH & MCLENNAN COMPANIES, INC. this entity
MERCER (AUSTRALIA) PTY LTD Australia
MERCER INVESTMENTS (AUSTRALIA) LIMITED Australia
MERCER SUPERANNUATION (AUSTRALIA) LIMITED Australia
MARSH Belgium
MARSH EUROPE Belgium
MERCER (BELGIUM) Belgium
OLIVER WYMAN Belgium
Mangrove Risk Solutions Bermuda Ltd. Bermuda
and 81 more
View the whole group: 116 subsidiaries in 28 countries

Parent not reported to GLEIF

  • Direct parent: no known person controls the entity, for example because its shareholders are diverse.
  • Ultimate parent: no known person controls the entity, for example because its shareholders are diverse.

Direct subsidiaries (89)

and 29 more

ISINs mapped to this LEI (25)

US5717481023 · US571748AK86 · US571748BC51 · US571748BD35 · US571748BG65 · US571748BH49 · US571748BJ05 · US571748BN17 · US571748BP64 · US571748BQ48

25 in the GLEIF–ANNA mapping file; first 10 shown. The file covers ISINs issued since the mapping started, not all securities.