VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Aon plc vs Pro Medicus Limited
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.
Pro Medicus Limited
PME · ASX
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Pro Medicus Limited's moat claims, evidence, and risks.
View PME analysisComparison highlights
- Moat score gap: Pro Medicus Limited leads (80 / 100 vs 70 / 100 for Aon plc).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); Pro Medicus Limited has 2 segments (92.5% in Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Aon plc has 6 moat types across 3 domains; Pro Medicus Limited has 6 across 2.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
Pro Medicus Limited
Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)
Enterprise imaging / PACS and related modules for hospitals and integrated delivery networks (IDNs)
Primarily North America; also Europe and Australia
Hospitals, imaging centers, integrated delivery networks (IDNs)
Healthcare IT software vendor / platform provider
92.5%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
Pro Medicus Limited strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
Pro Medicus Limited segments
Full profile >Visage 7 Enterprise Imaging Platform (PACS / CloudPACS)
Oligopoly
Visage RIS (Radiology Information System) and Promedicus.net
Oligopoly
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 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.