• Marsh & McLennan
  •  Overview
  • Last Modified:
  • July 19, 2025
  • Company type:
  • Public
  • Industry:
  • Professional Firm
  • Verified:
  • No
  • No of Employees:
  • 50 001 - 100 000
  • Stock Code:
  • MMC
  • Download
  • Signed Health Status Declaration Form
  • Turnover $50m + ?:
  • Yes
  • Headquarters:
  • New York, New York, United States
  • Public Interest Score:
  • 750+

 

  • Marsh & McLennan
  • General Information

Description

Marsh & McLennan Companies Inc (MMC) is a professional services group. It offers advice and solutions in strategy, risk, and human capital. MMC offers insurance broking and risk advisory through Marsh; risk and reinsurance intermediary services through Guy Carpenter; and career, health, and wealth needs through Mercer. The group also offers management consulting, economic analysis and advice, and brand strategy and design consulting services to various sectors through Oliver Wyman. The group serves individuals, businesses, professional service organizations, and government entities. The group has presence in the Americas, Europe, Asia Pacific, and Others. MMC is headquartered in New York, the US.

Anthony Anderson:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Bruce Broussard:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
John Doyle:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Edward Hanway:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Judith Hartmann:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Deborah Hopkins:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Tamara Ingram:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Jane Lute:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Steven Mills:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Morton Schapiro:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No
Lloyd Yates:
qone: No, qtwo: No, qthree: No, qfour: No, qfive: No, qsix: No

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5 Benchmark > 4 Excellent > 3  Good > 2 Caution > 1 Risk

 

  • Company Information
  • Company System Number:
  • 15349
  • Founded Year: 
  • 1871
  • Registration Number: 
  • 36-2668272
  • Country: 
  • United States of America
  • Stock Exchanges: 
    • New York Stock Exchange
    • Frankfurt Stock Exchange
    • London Stock Exchange
    • NASDAQ Stock Exchange
  • Financial year end: 
  • December
  • No. of Countries operations: 
  • 130
  • Company Status: 
  • In Business
  • Industry Sub Category: 
  • Date listed on Stock Exchange: 
  • 01/01/1962

 

  • Contact Information
  • Business operation: 
  • Marsh McLennan is the world's leading professional services firm in risk, strategy and people. We bring together experts from across our four global businesses — Marsh, Guy Carpenter, Mercer and Oliver Wyman — to help make organizations more successful and societies more resilient. We are a company of ideas and ideals.
  • Primary office: 
  • 1166 Avenue of the Americas New York, NY 10036

 

  • Additional Information
  • Listed?: 
  • Yes
  • Company secretary: 
  • Ashton Ramseyer
  • Reporting currency: 
  • USD
  • ISIN number (12 digit): 
NYSE
US5717481023
FWB
US5717481023
LSE
US5717481023
NASDAQ
US5717481023
  • Authorised shares:
  • 6 000 000
  • Issued shares:
  • 1 600 000 000
  • No of shareholders:
  • 1001 and more shareholders
  • No of shareholders holding 20%:
  • 0 shareholders
  • Number of shares traded
  • Per Year:
  • Per Quarter:
  • Per Month:

 

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Shareholders holding 5% +


For a comprehensive list, please contact InsidEntity.

Material Subsidiaries/Associates


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Credit Rating

NameLogoCountryHeadquartersRating
Fitch RatingsCredit LogoUnited States of AmericaNew York, New YorkA-

 

Countries Operations/ Offices


 

Company Directors

Name
Nationality
Age
Role
Qualification
Name

Anthony

Non Executive
NationalityAmerican
70
RoleNED
QualificationCPA
Date Appointed: 01/01/2016
Duration:
10 years and 8 months
Independance: N
Profile
Name

Bruce

Executive
NationalityAmerican
RoleCEO
QualificationMBA
Date Appointed: 01/01/2024
Duration:
2 years and 8 months
Independance: Y
Profile
Name

John

Executive
NationalityAmerican
62
RoleCEO
QualificationNot Available
Date Appointed: 01/01/2023
Duration:
3 years and 8 months
Independance: Y
Profile
Name

Edward

Non Executive
NationalityAmerican
74
RoleChairman
QualificationBA, MBA
Date Appointed: 01/01/2010
Duration:
16 years and 8 months
Independance: N
Profile
Name

Judith

Non Executive
NationalityAustria
57
RoleNED
QualificationPh.D. Economics, MBA
Date Appointed: 01/01/2023
Duration:
3 years and 8 months
Independance: Y
Profile
Name

Deborah Chase

Non Executive
NationalityAmerican
71
RoleNED
QualificationBSc (Acc), Honorary Doctorate
Date Appointed: 01/01/2017
Duration:
9 years and 8 months
Independance: Y
Profile
Name

Tamara

Non Executive
NationalityUnited Kingdom
65
RoleNED
Qualificationhonours degree in English and American Studies
Date Appointed: 01/01/2019
Duration:
7 years and 8 months
Independance: Y
Profile
Name

Jane Holl

Non Executive
NationalityAmerican
70
RoleNED
QualificationPh.D (Political Science)' Doctorate (Law)
Date Appointed: 01/01/2020
Duration:
6 years and 8 months
Independance: Y
Profile
Name

Steven

Non Executive
NationalityAmerican
74
RoleNED
QualificationNot Available
Date Appointed: 01/01/2011
Duration:
15 years and 8 months
Independance: N
Profile
Name

Morton

Non Executive
NationalityAmerican
73
RoleNED
QualificationMA, Ph.D (Econ)
Date Appointed: 01/01/2002
Duration:
24 years and 8 months
Independance: N
Profile
Name

Jan

Non Executive
NationalityAmerican
59
RoleNED
QualificationDipl.ing, MA(Econ), Ph.D
Date Appointed: 01/01/2024
Duration:
2 years and 8 months
Independance: Y
Profile
Name

Lloyd

Non Executive
NationalityAmerican
65
RoleNED
QualificationNot Available
Date Appointed:
Duration:
Date not available.
Independance: Date not available.
Profile

 

Directors Tenure

Name
Duration
Name

Anthony Anderson

Duration10 years and 8 months
Profile
Name

Bruce Broussard

Duration2 years and 8 months
Profile
Name

John Doyle

Duration3 years and 8 months
Profile
Name

Edward Hanway

Duration16 years and 8 months
Profile
Name

Judith Hartmann

Duration3 years and 8 months
Profile
Name

Deborah Chase Hopkins

Duration9 years and 8 months
Profile
Name

Tamara Ingram

Duration7 years and 8 months
Profile
Name

Jane Holl Lute

Duration6 years and 8 months
Profile
Name

Steven Mills

Duration15 years and 8 months
Profile
Name

Morton Schapiro

Duration24 years and 8 months
Profile
Name

Jan Siegmund

Duration2 years and 8 months
Profile
Name

Lloyd Yates

DurationDuration not available.
Profile

 

Director Experience

Name
Experience
Name

Anthony

Experience Financial Services
Profile
Name

Bruce

Experience Healthcare
Profile
Name

John

Experience Insurance
Profile
Name

Edward

Experience Healthcare, Insurance
Profile
Name

Judith

Experience Energy
Profile
Name

Deborah Chase

Experience Banking
Profile
Name

Tamara

Experience Media and Advertising
Profile
Name

Jane Holl

Experience Government
Profile
Name

Steven

Experience Software and IT
Profile
Name

Morton

Experience Education
Profile
Name

Jan

Experience Professional Firm
Profile
Name

Lloyd

Experience Energy, Utilities
Profile

 

Company Auditors

Name
Date Appointed
Years
Name

Deloitte

Date Appointed01/01/1989
Year37 years and 8 months
Profile

 

Company Past Directors

Name
ED/NED
Role
Name

Oscar

ED/NEDNon Executive
RoleNED
Date Appointed: 01/01/2001
Date Resigned:
Profile

 

Company Committees

Name

Anthony Anderson

Mainboard, Audit, Remuneration BD, AU, OT
Profile
Name

Bruce Broussard

Mainboard, Audit, Remuneration BD
Profile
Name

John Doyle

Mainboard, Audit, Remuneration BD, IS, EX
Profile
Name

Edward Hanway

Mainboard, Audit, Remuneration BD, RE, IS, NG, EX, OT
Profile
Name

Judith Hartmann

Mainboard, Audit, Remuneration BD, AU, OT
Profile
Name

Deborah Chase Hopkins

Mainboard, Audit, Remuneration BD, IS, NG, EX
Profile
Name

Tamara Ingram

Mainboard, Audit, Remuneration BD, RE, OT
Profile
Name

Jane Holl Lute

Mainboard, Audit, Remuneration BD, AU, OT
Profile
Name

Steven Mills

Mainboard, Audit, Remuneration BD, RE, NG, EX
Profile
Name

Morton Schapiro

Mainboard, Audit, Remuneration BD, RE, NG, EX
Profile
Name

Jan Siegmund

Mainboard, Audit, Remuneration BD
Profile
Name

Lloyd Yates

Mainboard, Audit, Remuneration BD, IS, OT
Profile

 

Committee
Abbreviation
Supervisory Board
SB
Board
BD
Risk & Compliance
RC
Audit
AU
Remuneration
RE
Capital investment
CI
Industry Specific
IS
Nominations & Governance
NG
Health, Safety & Environment
HS
Social & Ethics
SE
Technology
TE
Executive
EX
Other
OT