Marsh & Mclennan Companies (MRSH) Operating Margin (2009 - 2026)

Marsh & Mclennan Companies has reported Operating Margin for 18 years, with the latest figure at 23.09% in Q1 2026.

• For the quarter ending Q1 2026, Operating Margin fell 531.0% year-over-year to 23.09%; the trailing twelve-month figure through Mar 2026 stood at 21.7% (down 184.0% YoY), and the FY2025 full-year result was 23.06%, down 72.0% from the prior year.
• Operating Margin for Q1 2026 stood at 23.09%, up from 18.48% in the prior quarter.
• The five-year high for Operating Margin was 29.74% in Q1 2024, with the low at 13.54% in Q4 2022.
• Historically, Operating Margin has averaged 22.52% across 5 years, with a median of 23.09% in 2026.
• Annual changes were most pronounced in 2022 — Operating Margin tumbled 565 bps — and 2023, when it soared 632 bps.
• Marsh & Mclennan Companies' Operating Margin stood at 13.54% in 2022, then soared by 47 bps to 19.86% in 2023, then dropped by 5 bps to 18.82% in 2024, then declined by 2 bps to 18.48% in 2025, then increased by 25 bps to 23.09% in 2026.
• The last three Operating Margin figures came in at 23.09% (Q1 2026), 18.48% (Q4 2025), and 18.42% (Q3 2025), per Business Quant data.