SYNTHOS RESEARCH

Marsh & McLennan Companies MRSH

Financial Services · Insurance - Brokers · Synthos Deep Dive · 2026-07-03

$178.54
Watch
Risk 4Growth 6Exponential 2Fair value $205 $155–$238

At a glance

VerdictWatch — systematic Synthos tier
Price (2026-07-02)$178.54 · market cap ~$86B
Synthos scores (0–10)Downside Risk 4 · Growth Quality 6 · Exponential Potential 2
Synthos fair value (base case)~$205+15% · full range $155 (bear) – $238 (bull)
Street consensus$206.56 (high $236 / low $182; 1 Strong Buy · 11 Buy · 21 Hold · 1 Sell — Hold) — context, not our anchor
Valuation21× trailing GAAP EPS · 17× FY26E · 16× FY27E · 15× FY28E (adjusted) · EV/S 3.9× · EV/EBITDA 16×
Exponential Potential2/10 · Low — ~5% revenue and ~9% adj-EPS CAGR, not accelerating; a mature $86B broker, not a multibagger
TechnicalsNeutral-to-weak — $178.54, −17% off 52-wk high, ~at 200-DMA, RSI 63, −18% 12-mo vs SPY +21%
ConvictionLow breadth — 0 expert voices in the KB; call rests on fundamentals + quant only
Position sizingQuality-defensive ~2–3% if bought; a watch today on valuation, not conviction
Next catalyst2026-07-21 Q2'26 earnings (Street adj-EPS $2.89, rev ~$7.29B)
Single biggest riskSlowing P&C insurance-pricing cycle + soft organic growth (~3–4%) de-rating a full multiple

One-line thesis. Marsh & McLennan is one of the best-run, most recession-resilient businesses in the S&P 500 — a global insurance-brokerage and consulting toll-booth with 26% ROE, low beta, and 15+ years of steady compounding — but it is a mature mid-single-digit organic grower trading right at fair value, so the honest call is Watch: own the quality on a pullback, don't chase it here.

◆ Synthos call — Watch MRSH is a business we want at a price we don't have — it becomes a Buy below ~$180; until then, do nothing.
Downside Risk (lower = safer)
4/10 · Moderate
Low beta (0.61), recession-resilient recurring revenue — but net-debt/EBITDA ~3.1× and 21× trailing leave modest cushion.
Growth Quality
6/10 · High
High-single-digit adj-EPS CAGR, ~24% EBITDA margin, 26% ROE — durable but not fast; ~4% organic.
Exponential Potential
2/10 · Low
Mature megacap broker growing mid-single-digits organically; no acceleration, limited room-to-run — a compounder, not an exponential.
⚖ Reverse-DCF cross-check Market-implied growth ≈ 16%/yr To justify today’s $179, earnings would have to compound roughly 16% a year for 10 years (9% discount rate). Analysts forecast ~10%/yr, so the market is pricing in MORE than what the Street expects.
What do the 5 tiers mean? (Core · Tactical · Watch · Hold · Avoid)
Buy — CoreOwn it as a foundation — start or add now, size it for years, let dips be gifts.
Buy — TacticalGood price + confirmed trend + a defined exit — buy the setup, not a marriage.
WatchWe want the business, just not at this price/setup — act only when the listed trigger hits.
HoldFine to keep if you own it — no reason to buy more; new money does better elsewhere.
AvoidDon't own it — the problem is the business or the expectations, so a cheaper price won't fix it.

In plain English

Marsh & McLennan is the middleman that big companies and governments pay to help them buy insurance, manage risk, and run their retirement and health-benefit plans. Think of it as a toll booth: whenever a company needs insurance or advice, Marsh takes a small, steady fee. It owns four famous brands — Marsh (insurance brokerage), Guy Carpenter (reinsurance), Mercer (retirement/health consulting), and Oliver Wyman (management consulting). Because almost every big organization needs this every single year, the money keeps coming even in a recession.

Is the stock cheap or expensive? About fairly priced. You pay roughly 17× next year's expected profit — reasonable for a company this steady, but not a bargain. The stock is actually down about 18% over the past year while the market rose ~21%, so it's out of favor, which is part of what makes it interesting.

Our verdict is Watch — a great company, but priced about right, so we'd rather wait for a dip than pay full freight today.

Here's what our three scores mean in everyday terms:

The one big worry: insurance prices have been rising for years, which lifted Marsh's fees. If that pricing cycle softens and organic growth (~3–4%) slows further, the stock's full valuation could slip.


Price & moving averages 12 months · 50 & 200-day averages · 52-week range

152171191211230Jul '25Sep '25Nov '25Feb '26Apr '26Jul '2652w hi $215200-DMA 179Price 17950-DMA 16552w lo $157

Solid = price · dashed = 50-day average · dotted = 200-day average · amber = 52-week high/low. Price above both averages is an uptrend.

Bollinger Bands 20-day average ± 2 standard deviations

151172193214235Jul '25Sep '25Nov '25Feb '26Apr '26Jul '26Price 17920-day avg 166

The shaded band widens when the stock gets more volatile. Riding the upper edge = strong momentum (sometimes stretched); the lower edge = weak / potentially oversold.

RSI (14) momentum gauge · 0–100

705030Jul '25Sep '25Nov '25Feb '26Apr '26Jul '26RSI 66.0

Above 70 (red band) = overbought, below 30 (green band) = oversold. Currently 66.

MACD 12 / 26 / 9 · trend & momentum

0Jul '25Sep '25Nov '25Feb '26Apr '26Jul '26MACD 1.7signal 0.4

Blue crossing above amber (bars flip green) = momentum turning up; below (bars red) = turning down. Bar height = the size of that gap.

Relative performance vs S&P 500 & its sector (XLF (sector)), set to 100 a year ago

708498112126Jul '25Sep '25Nov '25Feb '26Apr '26Jul '26S&P 500 120XLF (sector) 106MRSH 84

Solid = MRSH · dashed = S&P 500 · dotted = XLF (sector). A rising line means it is beating that benchmark — the sector line shows whether it is a leader or laggard within its own group.

Forward revenue & earnings actual → estimate · "FY" = fiscal year, "E" = estimate

09182735$20BFY21EPS $6$21BFY22EPS $7$23BFY23EPS $8$24BFY24EPS $9$27BFY25EPS $10$28BFY26EEPS $10$30BFY27EEPS $11$31BFY28EEPS $12

Darker bars = actual results, brighter = analyst estimates. Taller bars to the right = expected growth.

Key stats an RIA wants

Price$178.54
Market cap$86B
P/E trailing
P/E FY26E / FY27E17× / 16×
EV / Sales3.9×
EV / EBITDA16.0×
Gross margin42.4%
Net margin14.3%
Dividend yield2.02%
Beta0.611
52-wk range$157 – $215
RSI(14)63
50 / 200-DMA$165 / $179
12-mo return+-18% (SPY +21%)
Street target$207 ($182–$236)
Analyst grades11 Buy · 21 Hold · 1 Sell
FMP ratingA-
Next earnings2026-08-05

What the experts actually said 0 traceable claims on MRSH · showing the highest-conviction voices

Every claim reconciles to a real claim_id in the Synthos knowledge base — this is the evidence the verdict is built on, not vibes. Management (the company itself) is shown but half-weighted; one cautionary voice is included on purpose.

1. What it is

Marsh & McLennan (NYSE: MRSH; the operating brand is now simply "Marsh") is a ~$86B global professional-services firm — the world's largest insurance broker and risk advisor — employing ~90,000+ people and advising clients in ~130 countries. Fiscal year ends December 31. It runs two segments through four marquee brands:

The economics are excellent: mostly recurring, capital-light fee revenue with pricing power, a fragmented client base (low single-customer concentration), and secular tailwinds (rising global risk complexity — cyber, climate, litigation — and an aging-workforce/retirement advisory need). It is defensive by construction: clients need risk and benefits advice in every part of the cycle.

Revenue mix (FY2025, from filings/FMP segmentation):

2. The expert thesis — why the panel is bullish (traceable)

There is no expert coverage of MRSH in the Synthos knowledge base. total_claims = 0; there are zero net-bullish (or bearish) voices and zero traceable claim_id values to cite. Per Synthos house standard, we will not manufacture conviction we cannot reconcile to a real claim.

Accordingly, this verdict is entirely fundamentals- and quant-driven: the reported financials (FMP), analyst consensus estimates (labeled as estimates), management's own dated 8-K earnings release (half-weighted, §9), and Synthos's own valuation and scoring model. Where the broader Street sits is shown as context (a Hold consensus, $206.56 average target), not as an anchor. Readers should weight this note accordingly: it carries no independent-expert breadth, only data.

3. Synthos scores & the Bull / Base / Bear cases

The one-glance judgment — three scores, 0–10, each anchored to real metrics (not probabilities we can't honestly calibrate):

Score0–10The read
Downside Risk (lower = safer)4 · Low-ModerateBeta 0.61, recession-resilient recurring revenue and 26% ROE make it structurally sturdy; offsetting that, net-debt/EBITDA ~3.1× is elevated and 21× trailing / 17× forward leaves only a modest valuation cushion.
Growth Quality6 · Good~9% adjusted-EPS CAGR, ~24% EBITDA margin, 26% ROE, wide fragmented moat — genuinely high-quality compounding, but only ~4% organic and mid-single-digit revenue growth caps the score.
Exponential Potential2 · LowA mature $86B global broker growing revenue ~5% with no acceleration (2nd derivative ~flat-to-down); limited room-to-run. A compounder, not an exponential.

The three cases (our own scenario model — assumptions shown; each target is a ~12–18-month fair value). We deliberately do not attach probabilities: the base case is by definition the expected path, so a weighted blend would just restate it with false precision. Instead the cases bound the range, and the scores above summarize them.

CaseKey assumptionsFair value
BullP&C pricing stays firm, M&A (Marsh has been an active acquirer — $8.5B deployed in FY24) accretes, Thrive efficiency program lands. FY27E adj-EPS beats to ~$11.90 (vs $11.32 cons); multiple re-rates to ~20×.~$238 (+33%)
Base (our anchor)Estimates roughly hit — FY27E adj-EPS $11.32; a durable high-single-digit compounder with 24% EBITDA margin earns a ~18× multiple.~$205 (+15%)
BearInsurance-pricing cycle softens, organic growth slips toward ~2–3%, Greensill/other litigation lingers; multiple de-rates. FY26E adj-EPS ~$10.30 at ~15×.~$155 (−13%)

Synthos fair value = the base case, ~$205 (+15%), with the full $155–$238 span as the honest range. This anchor sits essentially on top of the Street's $206.56 consensus — we do not see a large mispricing either way, which is precisely why the verdict is Watch rather than Buy. This is a tracked call — the Forecaster Scorecard grades it once it matures.

4. Exponential Potential

Synthos separates compounders (durable high returns on capital) from exponentials (accelerating, multi-baggers-from-here). MRSH is a textbook elite compounder with essentially no exponential character:

Exponential Potential: Low (2/10). Own MRSH for reliable ~9%-EPS-plus-dividend compounding and downside protection, never for a fast multibagger. A small, accelerating name with these margins would score 8–9; a mature megacap growing mid-single-digits organically honestly scores 2.

5. Financials (real numbers — FMP annual/quarterly)

6. Valuation — priced in or room?

MRSH trades at 21× trailing GAAP EPS, 17× FY26E and 16× FY27E adjusted EPS, EV/EBITDA 16×, EV/Sales 3.9×, with a ~2.0% dividend yield. For a business compounding adjusted EPS ~9% with 26% ROE and defensive, recurring revenue, that is a fair — not cheap, not expensive — multiple; it is roughly in line with its own history and its brokerage peers (AON, AJG trade at similar or richer multiples). A simple check: 18× the FY27E adjusted EPS of $11.32 ≈ $204, essentially today's Street target and our base case. The FMP quant model flags the valuation scores as the weak spot (P/E and P/B scores of 2 and 1 out of 5) against elite ROE/ROA/DCF scores (5/5). Street targets (context): consensus $206.56, high $236, low $182, on a Hold rating (1 Strong Buy, 11 Buy, 21 Hold, 1 Sell). Our base case sits right on consensus — there is no obvious margin of safety at $178.54, which is the core reason for the Watch verdict. A pullback toward the low-$160s (a ~15× FY26 multiple) would materially improve the risk/reward.

7. Technicals (from the tech block)

8. Moat & competitive position

Marsh & McLennan's moat is scale, trust, and switching costs in an oligopolistic industry. In insurance broking it sits in a global "big three" alongside Aon and Arthur J. Gallagher; in reinsurance broking Guy Carpenter is one of two dominant players; Mercer and Oliver Wyman are top-tier consulting brands. Clients rarely switch brokers — relationships, data, and embedded advisory workflows create real stickiness — and the business is capital-light with strong pricing power. The durable risks are (a) disintermediation/technology (management explicitly flags AI and "digital disruption" as competitive factors in its own 8-K), and (b) cyclicality in P&C insurance pricing, which flexes brokerage commissions.

Peer set (market cap): Aon $76B (closest global-broker comp), Arthur J. Gallagher $65B, Willis Towers Watson $27B, Brown & Brown $24B, Chubb $140B (underwriter, not broker), Progressive $136B, Northern Trust $33B, Erie Indemnity $12B. Against AON and AJG, MRSH is the largest and among the highest-quality, trading at a broadly comparable multiple — no obvious relative bargain within the group.

9. Management, capital allocation & guidance

10. Catalysts & what to watch

Thesis tripwires (what would change the call): two consecutive quarters of underlying growth below ~3%; adjusted-margin contraction; a valuation re-rate to a genuine discount (mid-$150s) would flip this from Watch toward Buy, while a run to the low-$200s with no estimate revisions would keep it a Watch/trim.

11. Key risks

12. Verdict, position sizing & monitoring

Watch. Marsh & McLennan is a genuinely elite business — a low-beta, recession-resilient, 26%-ROE, capital-light compounder with a wide moat and a shareholder-friendly capital plan. But at $178.54 it trades right at fair value: our base-case fair value (~$205) essentially matches the Street's $206.56 consensus and its Hold rating, and there is no margin of safety at today's price. With zero expert coverage in the KB, the call rests purely on fundamentals and quant — and those say "great company, fair price."


Provenance & disclosures