VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
Guidewire Software, Inc. vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Guidewire Software, Inc.
GWRE · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Guidewire Software, Inc.'s moat claims, evidence, and risks.
View GWRE analysisMarsh & McLennan Companies, Inc.
MMC · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Marsh & McLennan Companies, Inc.'s moat claims, evidence, and risks.
View MMC analysisComparison highlights
- Moat score gap: Marsh & McLennan Companies, Inc. leads (65 / 100 vs 63 / 100 for Guidewire Software, Inc.).
- Segment focus: Guidewire Software, Inc. has 2 segments (81.8% in Core P&C insurance platform software (InsuranceSuite, InsuranceNow, Guidewire Cloud Platform)); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Moat breadth: Guidewire Software, Inc. has 7 moat types across 4 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
Guidewire Software, Inc.
Core P&C insurance platform software (InsuranceSuite, InsuranceNow, Guidewire Cloud Platform)
Property & casualty insurance core systems platforms (policy administration, claims, billing) with cloud delivery
Global
Property & casualty insurers (global carriers to regional/local providers)
Vertical enterprise application vendor / cloud platform operator
81.8%
Marsh & McLennan Companies, Inc.
Risk and Insurance Services
Insurance brokerage, risk advisory, and reinsurance brokerage/services
Global
Enterprises, public entities, associations, and individuals (via broker/agent channels)
Intermediary + advisor (insurance/reinsurance market intermediary)
62.8%
Side-by-side metrics
Moat coverage
Shared moat types
Guidewire Software, Inc. strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
Guidewire Software, Inc. segments
Full profile >Core P&C insurance platform software (InsuranceSuite, InsuranceNow, Guidewire Cloud Platform)
Oligopoly
Professional services (implementation, cloud migration, integration)
Competitive
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
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Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.