Marsh & McLennan Companies, Inc. Sustainability Profile
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.
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.
Industry Benchmark
Marsh & McLennan Companies, Inc.'s score of 93 is higher than 96% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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. This figure includes 18,865,000 kg CO2e from Scope 1 emissions, 16,038,000 kg CO2e from Scope 2 emissions (market-based), and 662,042,000 kg CO2e from Scope 3 emissions. The company has set ambitious climate commitments, aiming for a 50% reduction in absolute Scope 1 and 2 greenhouse gas emissions by 2030, using 2019 as the base year. Additionally, they plan to achieve net-zero emissions across their operations by 2050. Marsh & McLennan's long-term targets include a 90% reduction in absolute Scope 1 and 2 emissions by 2050 and a 97% reduction in Scope 3 emissions per million USD of operating profit within the same timeframe. These targets are aligned with the Science Based Targets initiative (SBTi) and are designed to support the global effort to limit warming to 1.5°C. The company has made significant strides in its sustainability initiatives, including commitments to low-carbon transition strategies and comprehensive emissions reduction plans across all scopes. Marsh & McLennan's proactive approach reflects its dedication to addressing climate change and reducing its environmental impact.
Unlock detailed emissions data
Access structured emissions data, company-specific emission factors, and source documents
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|
| 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?
How Carbon Intensive is Marsh & McLennan Companies, Inc.'s Location?
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
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.
Aon
Frequently Asked Questions
Common questions about Marsh & McLennan Companies, Inc.'s sustainability data and climate commitments