What is the current annual operating margin of MMC?

As of today, MMC annual operating margin is 25.10%

What is 1-year change in MMC annual operating margin?

MMC annual operating margin is down -4.20% year-over-year

What is 3-year change in MMC annual operating margin?

MMC annual operating margin is up +5.68% over the past 3 years

How far is MMC annual operating margin from its all-time high?

MMC annual operating margin vs all-time high is unknown

When is MMC next annual earnings release?

As of today, the next annual earnings release for MMC has not been scheduled

What is the current quarterly operating margin of MMC?

As of today, MMC quarterly operating margin is 21.66%

What is MMC quarterly operating margin most recent change?

MMC quarterly operating margin was down -23.68% on September 30, 2025

What is 1-year change in MMC quarterly operating margin?

MMC quarterly operating margin is down -1.81% year-over-year

How far is MMC quarterly operating margin from its all-time high?

MMC quarterly operating margin vs all-time high is unknown

When is MMC next earnings release?

As of today, the next earnings release for MMC has not been scheduled

MMC Operating Margin History & Chart Since 1980

Annual Operating Margin

25.10%1.10%-4.20%

December 31, 2024

Summary

Current Value: As of today, MMC annual operating margin is 25.10%, down -4.20% on December 31, 2024
Historical Performance: MMC annual operating margin is up +5.68% over the past 3 years, up +32.24% over the past 5 years
All-Time High Comparison: MMC annual operating margin vs all-time high is unknown
3-Year Low Comparison: MMC annual operating margin vs 3-year low value is unknown

Operating Margin Chart

Performance

MMC Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Operating Margin	Dec 31, 24	25.10%	-4.2%	+5.7%	+32.2%	+144.6%
Quarterly Operating Margin	Sep 30, 25	21.66%	-1.8%	+14.8%	+32.1%	+102.6%
Price	Jan 1, 1	-	–	–	–	–
PE Ratio	Jan 1, 1	-	–	–	–	–
Annual Revenue	Dec 31, 24	$24.42B	+7.3%	+22.8%	+46.4%	+132.6%
Annual Operating Profit	Dec 31, 24	$6.13B	+2.8%	+29.8%	+93.6%	+469.0%
Annual Gross Margin	Dec 31, 24	0.00%	0.0%	0.0%	0.0%	0.0%
Annual Net Margin	Dec 31, 24	16.86%	+0.9%	+5.6%	+53.1%	+642.7%

Operating Margin Highs

MMC Annual Operating Margin Highs Comparison
Period	High	Date	Current
3Y	26.20%	Dec 31, 23	N/A
5Y	26.20%	Dec 31, 23	N/A
All	26.63%	Dec 31, 86	N/A

Operating Margin Lows

MMC Annual Operating Margin Lows Comparison
Period	Low	Date	Current
3Y	23.86%	N/A	N/A
5Y	20.71%	N/A	N/A
All	6.82%	Dec 31, 08	N/A

Operating Margin History

Year	Value	Change
2024	25.10%	-4.2%
2023	26.20%	+9.8%
2022	23.86%	+0.5%
2021	23.75%	+14.7%
2020	20.71%	+9.1%
2019	18.98%	+10.3%
2018	17.20%	-17.1%
2017	20.76%	+1.2%
2016	20.51%	+4.8%
2015	19.57%	+6.8%
2014	18.33%	+2.5%
2013	17.88%	+12.7%
2012	15.86%	+7.5%
2011	14.75%	+43.9%
2010	10.25%	-0.1%
2009	10.26%	+50.4%
2008	6.82%	-28.9%
2007	9.59%	-24.8%
2006	12.76%	+22.8%
2005	10.39%	-22.1%
2004	13.34%	-38.3%
2003	21.62%	-0.7%
2002	21.78%	+11.8%

Year	Value	Change
2001	19.48%	-9.0%
2000	21.41%	-8.1%
1999	23.29%	+18.6%
1998	19.64%	+13.3%
1997	17.34%	-7.1%
1996	18.67%	+1.3%
1995	18.43%	-5.5%
1994	19.51%	+4.1%
1993	18.74%	+1.7%
1992	18.42%	-4.1%
1991	19.20%	-0.8%
1990	19.36%	-7.8%
1989	20.99%	-7.5%
1988	22.68%	-11.5%
1987	25.63%	-3.8%
1986	26.63%	+16.2%
1985	22.92%	+16.2%
1984	19.72%	-7.9%
1983	21.40%	-5.9%
1982	22.75%	-7.0%
1981	24.47%	+2.0%
1980	23.98%	-

FAQ

What is the current annual operating margin of MMC?
As of today, MMC annual operating margin is 25.10%
What is 1-year change in MMC annual operating margin?
MMC annual operating margin is down -4.20% year-over-year
What is 3-year change in MMC annual operating margin?
MMC annual operating margin is up +5.68% over the past 3 years
How far is MMC annual operating margin from its all-time high?
MMC annual operating margin vs all-time high is unknown
When is MMC next annual earnings release?
As of today, the next annual earnings release for MMC has not been scheduled

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Quarterly Operating Margin

21.66%6.72%-23.68%

September 30, 2025

Summary

Current Value: As of today, MMC quarterly operating margin is 21.66%, down -23.68% on September 30, 2025
Historical Performance: MMC quarterly operating margin is down -1.81% year-over-year, up +14.79% over the past 3 years
All-Time High Comparison: MMC quarterly operating margin vs all-time high is unknown
3-Year Low Comparison: MMC quarterly operating margin vs 3-year low value is unknown

Performance

MMC Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Operating Margin	Sep 30, 25	21.66%	-23.7%	-1.8%	+14.8%	+32.1%
Annual Operating Margin	Dec 31, 24	25.10%	–	-4.2%	+5.7%	+32.2%
Price	Jan 1, 1	-	–	–	–	–
PE Ratio	Jan 1, 1	-	–	–	–	–
Quarterly Revenue	Sep 30, 25	$6.37B	-8.8%	+11.7%	+33.5%	+61.0%
Quarterly Operating Profit	Sep 30, 25	$1.17B	-40.9%	-6.9%	+30.0%	+80.6%
Quarterly Gross Margin	Sep 30, 25	0.00%	0.0%	0.0%	0.0%	0.0%
Quarterly Net Margin	Sep 30, 25	11.92%	-32.4%	-9.7%	+3.0%	+47.3%

Quarterly Operating Margin Highs

MMC Quarterly Operating Margin Highs Comparison
Period	High	Date	Current
1Y	30.74%	N/A	N/A
3Y	31.57%	Mar 31, 24	N/A
5Y	31.57%	Mar 31, 24	N/A
All	31.57%	Mar 31, 24	N/A

Quarterly Operating Margin Lows

MMC Quarterly Operating Margin Lows Comparison
Period	Low	Date	Current
1Y	21.66%	Sep 30, 25	N/A
3Y	20.81%	Sep 30, 23	N/A
5Y	18.87%	Sep 30, 22	N/A
All	-223.97%	Dec 31, 89	N/A

Quarterly Operating Margin History

Month	Value	Change
Sep 2025	21.66%	-23.7%
Jun 2025	28.38%	-7.7%
Mar 2025	30.74%	+47.3%
Dec 2024	20.87%	-5.4%
Sep 2024	22.06%	-23.0%
Jun 2024	28.66%	-9.2%
Mar 2024	31.57%	+34.1%
Dec 2023	23.54%	+13.1%
Sep 2023	20.81%	-23.3%
Jun 2023	27.13%	-12.9%
Mar 2023	31.15%	+57.6%
Dec 2022	19.77%	+4.8%
Sep 2022	18.87%	-27.5%
Jun 2022	26.04%	-13.0%
Mar 2022	29.92%	+55.0%
Dec 2021	19.30%	-1.9%
Sep 2021	19.67%	-25.4%
Jun 2021	26.35%	-9.7%
Mar 2021	29.19%	+75.4%
Dec 2020	16.64%	+1.5%
Sep 2020	16.39%	-29.2%
Jun 2020	23.16%	-11.2%
Mar 2020	26.09%	+33.8%
Dec 2019	19.50%	+40.7%
Sep 2019	13.86%	-17.5%
Jun 2019	16.80%	-34.8%
Mar 2019	25.76%	+191.7%
Dec 2018	8.83%	-34.0%
Sep 2018	13.38%	-36.5%
Jun 2018	21.08%	-14.4%
Mar 2018	24.63%	+29.0%
Dec 2017	19.10%	+4.9%
Sep 2017	18.21%	-19.5%
Jun 2017	22.63%	-1.1%
Mar 2017	22.89%	+15.5%
Dec 2016	19.82%	+11.0%
Sep 2016	17.86%	-19.0%
Jun 2016	22.06%	-0.4%
Mar 2016	22.14%	+19.9%
Dec 2015	18.46%	+12.0%
Sep 2015	16.48%	-17.6%
Jun 2015	20.01%	-14.0%
Mar 2015	23.28%	+36.9%
Dec 2014	17.01%	+11.5%
Sep 2014	15.25%	-23.1%
Jun 2014	19.83%	-6.1%
Mar 2014	21.12%	+26.7%
Dec 2013	16.67%	+13.4%
Sep 2013	14.70%	-25.6%
Jun 2013	19.77%	-2.2%
Mar 2013	20.21%	+33.5%
Dec 2012	15.14%	+20.2%
Sep 2012	12.60%	-28.0%
Jun 2012	17.49%	-2.7%
Mar 2012	17.97%	+23.7%
Dec 2011	14.53%	+24.3%
Sep 2011	11.69%	-27.3%
Jun 2011	16.08%	-0.9%
Mar 2011	16.23%	+19.5%
Dec 2010	13.58%	+27.0%
Sep 2010	10.69%	>+9,900.0%
Jun 2010	-0.08%	-100.5%
Mar 2010	16.27%	+463.0%
Dec 2009	2.89%	-73.1%
Sep 2009	10.73%	-22.9%
Jun 2009	13.91%	-2.1%
Mar 2009	14.21%	+31.3%
Dec 2008	10.82%	+72.0%
Sep 2008	6.29%	-42.9%
Jun 2008	11.02%	-11.2%
Mar 2008	12.41%	+84.1%
Dec 2007	6.74%	-6.8%
Sep 2007	7.23%	-26.7%
Jun 2007	9.86%	-32.6%
Mar 2007	14.62%	+24.5%

Month	Value	Change
Dec 2006	11.74%	-5.4%
Sep 2006	12.41%	+1.6%
Jun 2006	12.21%	-16.6%
Mar 2006	14.64%	-12.8%
Dec 2005	16.79%	+149.5%
Sep 2005	6.73%	-42.6%
Jun 2005	11.72%	-9.7%
Mar 2005	12.98%	+245.4%
Dec 2004	-8.93%	-305.8%
Sep 2004	4.34%	-79.2%
Jun 2004	20.82%	-13.5%
Mar 2004	24.08%	+20.6%
Dec 2003	19.97%	-4.4%
Sep 2003	20.90%	-0.0%
Jun 2003	20.91%	-16.8%
Mar 2003	25.14%	+30.1%
Dec 2002	19.32%	-2.4%
Sep 2002	19.79%	-8.5%
Jun 2002	21.63%	-17.0%
Mar 2002	26.07%	+129.5%
Dec 2001	11.36%	-44.5%
Sep 2001	20.46%	-2.6%
Jun 2001	21.00%	-15.6%
Mar 2001	24.87%	+13.0%
Dec 2000	22.01%	+8.1%
Sep 2000	20.36%	-0.2%
Jun 2000	20.40%	-11.1%
Mar 2000	22.96%	+27.3%
Dec 1999	18.04%	-5.5%
Sep 1999	19.08%	-0.6%
Jun 1999	19.20%	-13.0%
Mar 1999	22.08%	+29.7%
Dec 1998	17.02%	-12.7%
Sep 1998	19.49%	-1.4%
Jun 1998	19.77%	-13.1%
Mar 1998	22.75%	+69.8%
Dec 1997	13.40%	-21.6%
Sep 1997	17.10%	-5.2%
Jun 1997	18.04%	-21.4%
Mar 1997	22.94%	+46.8%
Dec 1996	15.63%	-11.2%
Sep 1996	17.61%	-5.6%
Jun 1996	18.66%	-17.6%
Mar 1996	22.65%	+46.7%
Dec 1995	15.44%	-10.2%
Sep 1995	17.19%	-8.1%
Jun 1995	18.70%	-16.4%
Mar 1995	22.36%	+48.1%
Dec 1994	15.10%	-16.0%
Sep 1994	17.97%	-7.8%
Jun 1994	19.49%	-22.3%
Mar 1994	25.09%	+72.6%
Dec 1993	14.54%	-20.2%
Sep 1993	18.23%	-6.4%
Jun 1993	19.47%	-13.3%
Mar 1993	22.45%	+74.6%
Dec 1992	12.86%	-25.0%
Sep 1992	17.14%	-13.0%
Jun 1992	19.70%	-16.2%
Mar 1992	23.52%	+217.8%
Dec 1991	7.40%	-62.3%
Sep 1991	19.65%	-5.9%
Jun 1991	20.89%	-9.2%
Mar 1991	23.01%	+64.4%
Dec 1990	14.00%	-28.6%
Sep 1990	19.62%	-3.8%
Jun 1990	20.40%	-12.3%
Mar 1990	23.26%	+110.4%
Dec 1989	-223.97%	-1,120.8%
Jun 1989	21.94%	+109.9%
Dec 1988	-222.74%	-5.8%
Dec 1987	-210.50%	-6.5%
Dec 1986	-197.64%	-3.2%
Dec 1985	-191.46%	+11.2%
Dec 1984	-215.58%	-

FAQ

What is the current quarterly operating margin of MMC?
As of today, MMC quarterly operating margin is 21.66%
What is MMC quarterly operating margin most recent change?
MMC quarterly operating margin was down -23.68% on September 30, 2025
What is 1-year change in MMC quarterly operating margin?
MMC quarterly operating margin is down -1.81% year-over-year
How far is MMC quarterly operating margin from its all-time high?
MMC quarterly operating margin vs all-time high is unknown
When is MMC next earnings release?
As of today, the next earnings release for MMC has not been scheduled

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Data Sources & References

MMC Official Website www.marshmclennan.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/62709/000006270925000125/0000062709-25-000125-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/62709/000006270925000015/0000062709-25-000015-index.htm
MMC Profile on Yahoo Finance finance.yahoo.com/quote/MMC
MMC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mmc