VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, December 31, 2025

Stock Comparison

Aon plc vs The Charles Schwab Corporation

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

Aon plc

AON · New York Stock Exchange

Market cap (USD)$76.6B
SectorFinancials
CountryIE
Data as of2025-12-31
Moat score
70/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into Aon plc's moat claims, evidence, and risks.

View AON analysis

The Charles Schwab Corporation

SCHW · New York Stock Exchange

Market cap (USD)
SectorFinancials
CountryUS
Data as of2025-12-26
Moat score
74/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into The Charles Schwab Corporation's moat claims, evidence, and risks.

View SCHW analysis

Comparison highlights

  • Moat score gap: The Charles Schwab Corporation leads (74 / 100 vs 70 / 100 for Aon plc).
  • Segment focus: Aon plc has 2 segments (67% in Risk Capital); The Charles Schwab Corporation has 2 segments (79.4% in Investor Services).
  • Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Weak.
  • Moat breadth: Aon plc has 6 moat types across 3 domains; The Charles Schwab Corporation has 7 across 4.

Primary market context

Aon plc

Risk Capital

Market

Large-account commercial insurance & reinsurance brokerage and risk advisory

Geography

Global

Customer

Enterprises, insurers, reinsurers

Role

Intermediary/advisor

Revenue share

67%

The Charles Schwab Corporation

Investor Services

Market

U.S. retail brokerage, self-directed investing, and wealth management platforms

Geography

United States

Customer

Retail investors, employers, retirement plan sponsors

Role

Broker-dealer + bank + wealth manager platform

Revenue share

79.4%

Side-by-side metrics

Aon plc
The Charles Schwab Corporation
Ticker / Exchange
AON - New York Stock Exchange
SCHW - New York Stock Exchange
Market cap (USD)
$76.6B
n/a
Sector
Financials
Financials
HQ country
IE
US
Primary segment
Risk Capital
Investor Services
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Weak
Moat score
70 / 100
74 / 100
Moat domains
Demand, Supply, Legal
Supply, Demand, Financial, Network
Last update
2025-12-31
2025-12-26

Moat coverage

Shared moat types

Data Workflow LockinService Field NetworkBrand TrustScale Economies Unit Cost

Aon plc strengths

Switching Costs GeneralCompliance Advantage

The Charles Schwab Corporation strengths

Suite BundlingFloat PrepaymentEcosystem Complements

Segment mix

Aon plc segments

Full profile >

Risk Capital

Oligopoly

67%

Human Capital

Oligopoly

33.2%

The Charles Schwab Corporation segments

Full profile >

Investor Services

Oligopoly

79.4%

Advisor Services

Oligopoly

20.6%

Want the full wide moat stocks list?

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Curation & 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.