Ditchcarbon
  • Contact
  1. Organizations
  2. Marsh & McLennan Companies, Inc.
Public Profile
Business Services
US
updated a month ago

Marsh & McLennan Companies, Inc. Sustainability Profile

Company website

Marsh & McLennan Companies, Inc., often referred to as MMC, is a leading global professional services firm headquartered in the United States. Established in 1905, the company has evolved into a powerhouse in the insurance, risk management, and consulting sectors, with significant operations across North America, Europe, and Asia-Pacific. Specialising in risk, strategy, and people, MMC offers a diverse range of services through its well-known subsidiaries, including Marsh, Guy Carpenter, Mercer, and Oliver Wyman. These entities provide unique solutions tailored to meet the complex needs of clients, from insurance brokerage to human resources consulting. With a strong market position, Marsh & McLennan is recognised for its innovative approach and commitment to excellence, consistently achieving notable milestones in the industry. The firm’s dedication to delivering value and insights has solidified its reputation as a trusted partner for organisations worldwide.

DitchCarbon Score

How does Marsh & McLennan Companies, Inc.'s carbon action stack up? DitchCarbon scores companies based on their carbon action and commitment to reducing emissions. Read about our methodology to learn more.

87

Industry Average

Mean score of companies in the Business Services industry. Comparing a company's score to the industry average can give you a sense of how well the company is doing compared to its peers.

29

Industry Benchmark

Marsh & McLennan Companies, Inc.'s score of 87 is higher than 93% of the industry. This can give you a sense of how well the company is doing compared to its peers.

93%

Let us know if this data was useful to you

Marsh & McLennan Companies, Inc.'s reported carbon emissions

In 2024, Marsh & McLennan Companies, Inc. reported total carbon emissions of approximately 688,000,000 kg CO2e, with significant contributions from Scope 1, 2, and 3 emissions. Specifically, Scope 1 emissions were about 18,865,000 kg CO2e, while Scope 2 emissions (market-based) totalled approximately 16,038,000 kg CO2e. The majority of their emissions stemmed from Scope 3, which accounted for about 662,042,000 kg CO2e, highlighting the substantial impact of their supply chain and business travel activities. Marsh & McLennan has set ambitious climate commitments, aiming for net-zero carbon emissions across its global operations by 2050. They have established a near-term target to reduce absolute Scope 1 and 2 greenhouse gas emissions by 50% by 2030, using 2019 as the baseline year. Additionally, they aim to reduce Scope 3 emissions from purchased goods and services, capital goods, and business travel by 55% per million USD of operating profit within the same timeframe. Long-term goals include a 90% reduction in absolute Scope 1 and 2 emissions by 2050, alongside a 97% reduction in Scope 3 emissions per million USD of operating profit. These targets are aligned with the Science Based Targets initiative (SBTi) and reflect the company's commitment to sustainable practices within the professional services sector.

Unlock detailed emissions data

Access structured emissions data, company-specific emission factors, and source documents

2018201920202021202220232024
Scope 1
19,158,500
00,000,000
00,000,000
00,000,000
00,000,000
00,000,000
00,000,000
Scope 2
75,126,200
00,000,000
00,000,000
00,000,000
00,000,000
00,000,000
00,000,000
Scope 3
73,780,300
000,000,000
00,000,000
0,000,000
000,000,000
000,000,000
000,000,000

How Carbon Intensive is Marsh & McLennan Companies, Inc.'s Industry?

Very low
Low
Medium
High
Very high
Some industries are more carbon intensive than others. Marsh & McLennan Companies, Inc.'s primary industry is Business Services, which is very low in terms of carbon intensity compared to other industries.

How Carbon Intensive is Marsh & McLennan Companies, Inc.'s Location?

Very low
Low
Medium
High
Very high
The carbon intensity of the energy grid powering a company's primary operations has a strong influence on its overall carbon footprint. This request for Marsh & McLennan Companies, Inc. is in US, which has a low grid carbon intensity relative to other regions.

Marsh & McLennan Companies, Inc.'s Scope 3 Categories Breakdown

Marsh & McLennan Companies, Inc.'s Scope 3 emissions, which increased by 33% last year and increased by approximately 797% since 2018, demonstrating supply chain emissions tracking. Nearly all of their carbon footprint comes from suppliers and value chain emissions, representing nearly all emissions under the GHG Protocol, with "Purchased Goods and Services" being the largest emissions source at 59% of Scope 3 emissions.

Top Scope 3 Categories

2024
Purchased Goods and Services
59%
Business Travel
17%
Employee Commuting
11%
Capital Goods
6%
Fuel and Energy Related Activities
3%
Upstream Transportation & Distribution
2%
Waste Generated in Operations
2%
Investments
<1%
Downstream Leased Assets
<1%
Upstream Leased Assets
<1%

Marsh & McLennan Companies, Inc.'s Climate Goals (2030 & 2050)

Climate goals typically focus on 2030 interim targets and 2050 net-zero commitments, aligned with global frameworks like the Paris Agreement and Science Based Targets initiative (SBTi) to ensure alignment with global climate goals.

Marsh & McLennan Companies, Inc. has established climate goals through participation in recognized frameworks and target-setting initiatives. Companies often set interim 2030 targets and long-term 2050 net-zero goals to demonstrate measurable progress toward decarbonization.

Science Based Targets Initiative
Carbon Disclosure Project
The Climate Pledge
UN Global Compact
RE 100
Climate Action 100
Race To Net Zero
Reduction Actions

Compare Marsh & McLennan Companies, Inc.'s Emissions with Industry Peers

Ameriprise Financial

US
•
Financial intermediation services, except insurance and pension funding services (65)
Updated 7 days ago

Towers Watson

GB
•
Insurance and pension funding services, except compulsory social security services (66)
Updated 2 days ago

Us Bancorp

US
•
Financial intermediation services, except insurance and pension funding services (65)
Updated 13 days ago

Assurant

US
•
Insurance and pension funding services, except compulsory social security services (66)
Updated 6 days ago

Aflac Way

US
•
Insurance and pension funding services, except compulsory social security services (66)
Updated 4 days ago

Lincoln National

US
•
Insurance and pension funding services, except compulsory social security services (66)
Updated 13 days ago

Frequently Asked Questions

Common questions about Marsh & McLennan Companies, Inc.'s sustainability data and climate commitments

Let us know if this data was useful to you

Where does DitchCarbon data come from?

Discover our data-driven methodology for measuring corporate climate action and benchmarking against industry peers

Ditchcarbon
v251114.2
[email protected]+44 203 475 7875Ditch Carbon Ltd167-169 Great Portland StreetLondon W1W 5PF
UL Solutions verification badge
CDP logo
Gartner Cool Vendor 2025 badge
AWS Marketplace logo
ProductPortalScope 3 Tool FunctionalityDataIntegrationsPricing
CustomersHaleonGrant ThorntonHikmaRead all stories
SolutionsProcurement teamsSustainability teamsPlatform ownersCarbon accountants
ResourcesCalculation MethodologyDocumentationBlogFAQOrganizationsIndustriesSBTI APITrust CentreChangelog
AboutTeamCareersLicense AgreementPrivacy