VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs Constellation Software Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Arthur J. Gallagher & Co.
AJG · 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 Arthur J. Gallagher & Co.'s moat claims, evidence, and risks.
View AJG analysisConstellation Software Inc.
CSU · Toronto 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 Constellation Software Inc.'s moat claims, evidence, and risks.
View CSU analysisComparison highlights
- Moat score gap: Constellation Software Inc. leads (74 / 100 vs 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Constellation Software Inc. has 6 segments.
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Constellation Software Inc. has 3 across 2.
Primary market context
Arthur J. Gallagher & Co.
Brokerage
Insurance and reinsurance brokerage and consulting
Global
Commercial, industrial, public sector, nonprofit and other organizations; underwriting enterprises for reinsurance placements
Intermediary / broker / advisor
86%
Constellation Software Inc.
Volaris Operating Group
Vertical market software (VMS) portfolios across diverse industries (Volaris)
Global (North America, Continental Europe, UK, Australia, South America, Africa)
Organizations in specific verticals (mix of public and private sector)
Vertical market software vendor (application provider + long-term maintainer)
Side-by-side metrics
Moat coverage
Shared moat types
Arthur J. Gallagher & Co. strengths
Constellation Software Inc. strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
Constellation Software Inc. segments
Full profile >Volaris Operating Group
Competitive
Harris Operating Group
Competitive
Topicus.com Operating Group
Competitive
Jonas Operating Group
Competitive
Perseus Operating Group
Competitive
Vela Operating Group
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.