VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs Microsoft Corporation
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 analysisMicrosoft Corporation
MSFT · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Microsoft Corporation's moat claims, evidence, and risks.
View MSFT analysisComparison highlights
- Moat score gap: Microsoft Corporation leads (84 / 100 vs 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Microsoft Corporation has 3 segments (42.9% in Productivity and Business Processes).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Microsoft Corporation has 9 across 4.
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%
Microsoft Corporation
Productivity and Business Processes
Enterprise productivity & collaboration suites, business applications, and professional network platforms
Global
Enterprises, SMBs, consumers, recruiters/advertisers
SaaS platform + professional network
42.9%
Side-by-side metrics
Moat coverage
Shared moat types
Arthur J. Gallagher & Co. strengths
Microsoft Corporation strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
Microsoft Corporation segments
Full profile >Productivity and Business Processes
Oligopoly
Intelligent Cloud
Oligopoly
More Personal Computing
Quasi-Monopoly
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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.