Marsh & Mclennan Companies (MRSH) Tax Rate (2009 - 2026)

Marsh & Mclennan Companies (MRSH) reported Tax Rate of 24.98% for Q1 2026, up 227.0% on a YoY basis from 7.64% in Q1 2025, and up 18.84% quarter-over-quarter from 21.02% in Q4 2025.

Marsh & Mclennan Companies (MRSH) Tax Rate (2009 - 2026) Analysis & Trends

Marsh & Mclennan Companies has reported Tax Rate for 18 years, with the latest figure at 24.98% in Q1 2026.

  • For the quarter ending Q1 2026, Tax Rate rose 227.0% year-over-year to 24.98%; the trailing twelve-month figure through Mar 2026 stood at 24.28% (down 21.0% YoY), and the FY2025 full-year result was 23.56%, down 131.0% from the prior year.
  • Tax Rate for Q1 2026 stood at 24.98%, up from 21.02% in the prior quarter.
  • The five-year high for Tax Rate was 27.34% in Q3 2024, with the low at 20.61% in Q4 2024.
  • Historically, Tax Rate has averaged 24.22% across 5 years, with a median of 24.69% in 2022.
  • Annual changes were most pronounced in 2022 — Tax Rate soared 714 bps — and 2024, when it slumped 639 bps.
  • Marsh & Mclennan Companies' Tax Rate stood at 23.16% in 2022, then rose by 17 bps to 27.0% in 2023, then fell by 24 bps to 20.61% in 2024, then advanced by 2 bps to 21.02% in 2025, then rose by 19 bps to 24.98% in 2026.
  • The last three Tax Rate figures came in at 24.98% (Q1 2026), 21.02% (Q4 2025), and 25.05% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Marsh & Mclennan Companies 79.42 Bn 67.92 Bn 5.88 Bn 24.98%
2 Aon 69.98 Bn 68.59 Bn - 20.22%
3 Arthur J. Gallagher 55.55 Bn 54.17 Bn - 21.09%
4 Willis Towers Watson 24.71 Bn 22.93 Bn 1.98 Bn 18.62%
5 Brown & Brown 19.80 Bn 18.82 Bn 1.61 Bn 19.89%
6 XChange TEC.INC 6.75 Bn 6.75 Bn - -
7 Neptune Insurance Holdings 4.00 Bn 3.99 Bn - 27.06%
8 Corvel 2.98 Bn 2.64 Bn 54.92 Mn 25.00%
9 Accelerant Holdings 2.93 Bn 1.42 Bn 48.00 Mn 305.00%
10 Baldwin Insurance 1.62 Bn 2.07 Bn - 98.71%

Historic Data

Download Data
DateValue
Mar 31, 2026 24.98%
Mar 31, 2026 24.98%
Dec 31, 2025 21.02%
Dec 31, 2025 21.02%
Sep 30, 2025 25.05%
Sep 30, 2025 25.05%
Jun 30, 2025 25.21%
Jun 30, 2025 25.21%
Mar 31, 2025 22.71%
Mar 31, 2025 22.71%
Dec 31, 2024 20.61%
Dec 31, 2024 20.61%
Sep 30, 2024 27.34%
Sep 30, 2024 27.34%
Jun 30, 2024 27.16%
Jun 30, 2024 27.16%
Mar 31, 2024 23.89%
Mar 31, 2024 23.89%
Dec 31, 2023 27.00%
Dec 31, 2023 27.00%