VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Atlas Copco AB (publ) vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Atlas Copco AB (publ)
ATCO-A · Nasdaq Stockholm
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Atlas Copco AB (publ)'s moat claims, evidence, and risks.
View ATCO-A 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 Atlas Copco AB (publ)).
- Segment focus: Atlas Copco AB (publ) has 4 segments (43.8% in Compressor Technique); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Moat breadth: Atlas Copco AB (publ) has 6 moat types across 2 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
Atlas Copco AB (publ)
Compressor Technique
Industrial compressors, air/gas systems (including air treatment) and related aftermarket service
Global
Industrial and process customers; distributors; service-contract customers
Equipment OEM + aftermarket service provider
43.8%
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
Atlas Copco AB (publ) strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
Atlas Copco AB (publ) segments
Full profile >Compressor Technique
Oligopoly
Vacuum Technique
Oligopoly
Industrial Technique
Oligopoly
Power Technique
Competitive
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
Want the full wide moat stocks list?
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View the moat stocks listLooking for expansion-stage stocks?
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.