VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs S&P Global Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Aon plc
AON · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
S&P Global Inc.
SPGI · 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 S&P Global Inc.'s moat claims, evidence, and risks.
View SPGI analysisComparison highlights
- Moat score gap: S&P Global Inc. leads (77 / 100 vs 70 / 100 for Aon plc).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); S&P Global Inc. has 5 segments (32.6% in S&P Global Market Intelligence).
- Moat breadth: Aon plc has 6 moat types across 3 domains; S&P Global Inc. has 9 across 5.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
S&P Global Inc.
S&P Global Market Intelligence
Financial market data, analytics, and workflow tools for institutions
Global
B2B (institutional investors, banks, insurers, corporates)
Data/analytics and workflow software provider
32.6%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
S&P Global Inc. strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
S&P Global Inc. segments
Full profile >S&P Global Market Intelligence
Oligopoly
S&P Global Ratings
Oligopoly
S&P Global Commodity Insights
Oligopoly
S&P Global Mobility
Competitive
S&P Dow Jones Indices
Oligopoly
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View the moat stocks listCuration & 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 Pricing, features, and availability may be incomplete or out of date.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.