Marsh & Mclennan Companies, Inc. MRSH

Revenue Intelligence Report • 36 quarters of SEC filing data • Updated 2026-03-15

Marsh & Mclennan Companies, Inc. has a forecasted full-year revenue of $30B, a +10.0% year-over-year change, based on 36 quarters of SEC filing data. Key revenue drivers include SG&A ($1.50 per $1). The ARDL model achieves strong accuracy at 1.4% MAPE.

Investment Thesis

Our ARDL model tracks Marsh & Mclennan Companies, Inc.'s revenue with exceptional precision (1.4% MAPE), indicating highly predictable cash flows. Each $1 of SG&A spending generates $1.50 in revenue, reflecting strong commercial efficiency.

Next FY Revenue
$29.7B
+10.0% YoY
SG&A Multiplier
$1.50 per $1
Model Accuracy
1.4% MAPE
Holdout validation: The model predicted $6.8B vs the actual $6.6B — an error of 2.5%.
Note: Marsh & Mclennan Companies, Inc. does not report R&D expenses separately. This analysis uses SG&A spending only.

Revenue Forecast

MRSH Revenue Forecast

Quarterly Detail

QuarterModel ForecastActual95% RangeYoY GrowthStatus
Q4 2025 $6.8B $6.6B $6.6B – $6.9B +11.4% ✓ In range
Q2 2026 $7.7B $7.4B – $7.9B +8.4%
Q3 2026 $7.6B $7.3B – $7.9B +8.9%
Q4 2026 $7.0B $6.6B – $7.4B +10.3%
Q1 2027 $7.4B $7.0B – $7.8B +12.6%

How Spending Drives Revenue

MRSH Spending Timing
Reading this chart: Each line shows the cumulative revenue generated per $1 spent over subsequent quarters. The effect builds over 4-5 quarters as investments mature.

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