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
Quarterly Detail
| Quarter | Model Forecast | Actual | 95% Range | YoY Growth | Status |
|---|---|---|---|---|---|
| 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
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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