MRSH · Q3 2025 Earnings

Cautious

Marsh McLennan

Reported October 16, 2025

30-second summary

30-second take: Marsh McLennan posted Q3 revenue of $6.35B (+11% YoY) and adjusted EPS of $1.85, but underlying growth was 4.0% — flat with Q2 and a continuation of the step-down from the high-single-digit cadence MMC investors have been paying for. Adjusted operating margin held at 22.7% and the company returned $400M via buybacks, so cash generation is intact. Management also launched Thrive, a three-year efficiency program already incurring restructuring charges in Q3, alongside a brand consolidation to Marsh and the creation of a new Business and Client Services (BCS) unit. The organic deceleration is now two quarters running; the McGriff deal is no longer a one-quarter optical issue, it's the structural support beneath the headline.

Headline numbers

EPS

Q3 FY2025

$1.85

Revenue

Q3 FY2025

$6.35B

+11.0% YoY

Operating margin

Q3 FY2025

18.4%

Key financials

Q3 FY2025

Metric	Q3 FY2025	YoY	Q2 FY2025	QoQ
Revenue	$6.35B	+11.0%	$6.97B	-8.9%
EPS	$1.85	—	$2.72	-32.0%
Operating margin	18.4%	—	26.2%	-780bps

Guidance

No quantitative guidance provided for Q3 FY2025 or FY2025 in either prior or current quarter; unable to assess beat/miss or guidance changes.

Segment performance

Q3 FY2025

Segment	Q3 FY2025	YoY
Risk & Insurance Services	$3.907B	+13.0%
Consulting	$2.465B	+9.0%
Marsh	$3.4B	+16.0%
Guy Carpenter	$0.398B	+5.0%
Mercer	$1.579B	+9.0%
Oliver Wyman	$0.886B	+9.0%
Mercer Health Underlying Revenue Growth	6.0%	—
Mercer Wealth Underlying Revenue Growth	3.0%	—

Capital & returns

Q3 FY2025

Segment	Q3 FY2025
Share Repurchases	1.9 million shares for $400 million

Other KPIs

Q3 FY2025

Segment	Q3 FY2025	YoY
U.S./Canada	$2.089B	+22.0%
EMEA	$0.813B	+9.0%
Asia Pacific	$0.361B	+6.0%
Latin America	$0.137B	+2.0%
Adjusted Operating Income	$1.439 billion	—
Adjusted Operating Margin	22.7%	—
Risk & Insurance Services Adjusted Operating Margin	24.7%	—
Consulting Adjusted Operating Margin	22.1%	—
Underlying Revenue Growth	4.0%	—

Management tone

Two distinct disclosures shape the read. First, in CEO John Doyle's prepared commentary: the company-wide brand change to Marsh (announced October 14, effective January 2026) and the creation of Business and Client Services (BCS), described as a vehicle to "accelerate innovation, drive efficiency and centralize investments in operational excellence, data, AI and other analytics." Second, disclosed in the noteworthy items footnote and forward-looking statements: the launch of Thrive, a three-year efficiency program. These are separate items — the CEO quote does not mention Thrive — and together they signal a structural reset rather than incremental tuning. Thrive is already incurring severance and outside-services charges within the $46M Q3 restructuring line, so the program is in motion, not pending. What's still missing is a dollar-quantified savings target; that's the disclosure to watch for at Q4.

Answers to last quarter's watch list

Underlying revenue growth trajectory — Consolidated underlying held at 4.0% in Q3, flat with Q2. Not the further deceleration toward 3% that was the bear case, but also no reacceleration. The high-single-digit cadence is not coming back this quarter.

Continue monitoring

Guy Carpenter deceleration — GAAP revenue grew 5% to $398M, decelerating from +7% in Q2. The reinsurance pricing cycle continues to soften; this is now a clear trend, not noise.

Resolved negatively

Oliver Wyman and Mercer demand — Oliver Wyman GAAP growth improved to +9% (from +5% in Q2), Mercer held at +9%. Mercer Health underlying +6% and Wealth +3% suggest stable demand; Mercer Career was flat on an underlying basis, a soft data point on discretionary HR consulting.

Resolved positively

McGriff integration economics — Risk & Insurance Services adjusted operating margin came in at 24.7%, well below the 35.6% reported in Q2. The two figures aren't directly comparable given seasonality, but the print doesn't suggest integration cost pressure that would derail the deal economics.

Continue monitoring

FY2025 guide refresh — Management did not provide a numerical FY2025 guide in the press release. The only new forward framing is the Thrive program launch and BCS unit creation.

Not resolved

What to watch into next quarter

Thrive quantification — does management put a dollar figure (cumulative cost-savings target, expected restructuring envelope, headcount action) on Thrive at the Q4 call? A specific number would change the margin trajectory thesis.

Underlying growth stabilization vs. third consecutive 4% print — two quarters at 4.0% underlying is a pattern; a third would cement that mid-single-digit is the new run rate, with implications for the multiple.

Guy Carpenter trajectory — underlying decelerated to +5% in Q2 and was +5% in Q3 on both GAAP and underlying. Watch for the Q4 underlying print; below 4% would confirm the reinsurance cycle has decisively turned.

Risk & Insurance Services margin progression — track the Q4 segment margin against the prior-year Q4 comp to isolate whether McGriff is dilutive at the margin line on a like-for-like basis.

Capital return pace — buybacks stepped up from $300M in Q2 to $400M in Q3. If this pace holds or accelerates into Q4, it signals management sees the stock as the best available capital deployment vs. further M&A.

Sources

Marsh McLennan Q3 2025 press release, October 16, 2025 — https://www.sec.gov/Archives/edgar/data/62709/000006270925000123/mmc3q2025ex991newsrelease.htm
Marsh McLennan Q2 2025 press release, July 17, 2025 (prior-quarter comparison)

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