VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Automatic Data Processing, Inc. vs Aon plc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Automatic Data Processing, Inc.
ADP · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Automatic Data Processing, Inc.'s moat claims, evidence, and risks.
View ADP analysisAon plc
AON · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Automatic Data Processing, Inc. leads (71 / 100 vs 70 / 100 for Aon plc).
- Segment focus: Automatic Data Processing, Inc. has 2 segments (67.5% in Employer Services); Aon plc has 2 segments (67% in Risk Capital).
- Moat breadth: Automatic Data Processing, Inc. has 7 moat types across 4 domains; Aon plc has 6 across 3.
Primary market context
Automatic Data Processing, Inc.
Employer Services
Payroll processing and cloud HCM (HR, time, talent, tax, benefits) software and outsourcing
Global
Businesses (SMB to large enterprise)
SaaS and managed services provider
67.5%
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
Side-by-side metrics
Moat coverage
Shared moat types
Automatic Data Processing, Inc. strengths
Aon plc strengths
Segment mix
Automatic Data Processing, Inc. segments
Full profile >Employer Services
Oligopoly
Professional Employer Organization (PEO) Services
Competitive
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
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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 Pricing, features, and availability may be incomplete or out of date.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.