Federal contractor profile

MARSH & MCLENNAN COMPANIES INC

UEI M4KKANLT3XA8CAGE 3HE91Company website ↗

Active

Overview

Legal name
MARSH & MCLENNAN COMPANIES INC
Registered location
NEW YORK, NY, USA
Website
Company website ↗
Primary NAICS
541611 — Administrative Management and General Management Consulting Services
Latest award activity
Apr 20, 2026
Read company summary

MARSH & MCLENNAN COMPANIES INC is associated with UEI M4KKANLT3XA8 and CAGE 3HE91 in public federal records. AcornBids currently links 2 prime awards totaling $102.2K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Justice. Its recorded federal awards include work classified as All Other Legal Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541611 (Administrative Management and General Management Consulting Services). Its public SAM.gov registration lists NEW YORK, NY, USA.

At a glance

Lifetime prime obligations$102.2K
Prime awards2
Awards with future end dates0
Top-agency concentration
Not available

Why this customer concentration

Detailed agency totals are not available in this stored profile.

Largest positive coded-agency total ÷ all positive coded-agency totals × 100

Missing data is shown as unavailable.

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 14, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
MARSH & MCLENNAN COMPANIES INC
UEI
M4KKANLT3XA8
CAGE
3HE91
Registered address
1166 AVENUE OF THE AMERICAS, NEW YORK, NY, 10036, USA
Registration status
Active
Primary NAICS
541611 — Administrative Management and General Management Consulting Services
SAM activation
Apr 30, 2026
Initial registration
Mar 23, 2021
Entity start
Jan 1, 1905
SAM updated
Apr 30, 2026
Registration expires
Apr 27, 2027
Fiscal year end
Dec 31
Place of incorporation
DE, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 2 awards and $102,218 in reported obligations to this legal entity. Source
  • Recorded awards include All Other Legal Services (NAICS 541199); this classification is not proof of every company capability. Source
  • An example award describes: EXPERT WITNESS SERVICES Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$-77.1K
Prime contracts

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 2 of 2 selected awards. Select a period to explore its awards.

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / descriptionAwarding agencyObligationsStart dateEnd date
15JC1V25P00000231EXPERT WITNESS SERVICESDepartment of Justice$97.1KFeb 3, 2025Apr 20, 2026
15JC1V24P00000412EXPERT WITNESS SERVICESDepartment of Justice$5.1KMay 7, 2024Feb 13, 2025

Registration, certifications & contacts

Registration evidenceDate
SAM updatedApr 30, 2026
Source loadedSep 26, 2026
Initial registrationMar 23, 2021
Entity startJan 1, 1905
IndustryReported size status
524210 — Insurance Agencies and BrokeragesNot reported
524292 — Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension FundsNot reported
524298 — All Other Insurance Related ActivitiesNot reported
541611 — Administrative Management and General Management Consulting ServicesNot reported
541612 — Human Resources Consulting ServicesNot reported
541613 — Marketing Consulting ServicesNot reported
541618 — Other Management Consulting ServicesNot reported
541690 — Other Scientific and Technical Consulting ServicesNot reported
541990 — All Other Professional, Scientific, and Technical ServicesNot reported
ContactRolePublished contact methodsEvidenceSource date
CHRISTINA WOLFEGovernment businessContact method not publishedSAM registrationNot available
CHRISTINA WOLFEElectronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 524210 — Insurance Agencies and Brokerages
  • 524292 — Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds
  • 524298 — All Other Insurance Related Activities
  • 541611 — Administrative Management and General Management Consulting Services
  • 541612 — Human Resources Consulting Services
  • 541613 — Marketing Consulting Services
  • 541618 — Other Management Consulting Services
  • 541690 — Other Scientific and Technical Consulting Services
  • 541990 — All Other Professional, Scientific, and Technical Services

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

Reported subsidiary tree

Ownership follows reported parent UEIs.

Corporate family

Reported ownership links. Award and funding explorers can include this family.

Legal entityReported parent UEISource loaded
MARSH & MCLENNAN COMPANIES INCM4KKANLT3XA8Sep 26, 2026
GUY CARPENTER & COMPANY, LLCM4KKANLT3XA8Sep 26, 2026
MERCER (FRANCE) SASM4KKANLT3XA8Sep 2, 2026
MERCER (US) LLCM4KKANLT3XA8Sep 27, 2026
NATIONAL ECONOMIC RESEARCH ASSOCIATES INCM4KKANLT3XA8Sep 26, 2026
OLIVER WYMAN ACTUARIAL CONSULTING INCM4KKANLT3XA8Sep 26, 2026
OLIVER WYMAN, LLCM4KKANLT3XA8Sep 26, 2026

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1 shared agency customer(s); Shared work: 541199 — All Other Legal Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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About MARSH & MCLENNAN COMPANIES INC

What products and services appear in its federal awards?

Recorded award industries: 541199 — All Other Legal Services.

Recorded products and services: R424 — Expert Witness.

Examples from recent award records:

These records describe federal award work, not every company capability. Review the award evidence.

Where is the company registered?

1166 AVENUE OF THE AMERICAS, NEW YORK, New York 10036, United States

Registered location from SAM.gov; award performance locations may differ.

Explore related contractor directories

Browse companies by registered location, primary registered industry, or federal customer.

Data coverage and methodology

Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.

Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.

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