Marsh & McLennan Companies, Inc.
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 82 is higher than 100% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Marsh & McLennan Companies, Inc.'s reported carbon emissions
In 2024, Marsh & McLennan Companies, Inc. reported total carbon emissions of approximately 662,042,000 kg CO2e, with Scope 1 emissions at about 18,865,000 kg CO2e and Scope 2 emissions at approximately 16,038,000 kg CO2e (market-based). The company also disclosed significant Scope 3 emissions, primarily from purchased goods and services, which accounted for about 388,730,000 kg CO2e. Marsh & McLennan has set ambitious climate commitments, aiming for net-zero carbon emissions across its global operations by 2050. The company has committed to a near-term target of reducing absolute Scope 1 and 2 greenhouse gas emissions by 50% by 2030, using 2019 as the baseline year. As of 2023, they reported a 45% reduction in Scope 1 and 2 emissions since 2019, demonstrating progress towards their goals. Additionally, the company has outlined long-term targets to reduce absolute Scope 1 and 2 emissions by 90% by 2050 and to achieve a 97% reduction in Scope 3 emissions per million USD of operating profit within the same timeframe. These initiatives reflect Marsh & McLennan's commitment to sustainability and responsible business practices in the professional services sector.
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| 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 |
Industry emissions intensity
Location emissions intensity
Reduction initiatives & disclosure networks
Companies disclose and commit to reducing emissions to show they are serious about reducing emissions impact over time. They can also help a company track its progress over time.
Marsh & McLennan Companies, Inc. is participating in some of the initiatives that we track. This may change over time as the company engages with new initiatives or updates its commitments. DitchCarbon will update this information as it becomes available.
