VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Monday, January 5, 2026
Stock Comparison
Aon plc vs Legrand S.A.
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.
Legrand S.A.
LR · Euronext Paris
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Aon plc leads (70 / 100 vs 68 / 100 for Legrand S.A.).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); Legrand S.A. has 2 segments (80% in Building electrical & digital infrastructure (non-datacenter)).
- Moat breadth: Aon plc has 6 moat types across 3 domains; Legrand S.A. has 4 across 3.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
Legrand S.A.
Building electrical & digital infrastructure (non-datacenter)
Low-voltage electrical and digital building infrastructure (wiring devices, energy distribution, cable management, building controls)
Global (strong Europe & North America footprint)
Professional installers/electricians, electrical wholesalers, OEM/contractors; end-users in residential & commercial buildings
Manufacturer + brand owner; channel-driven distribution
80%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
Legrand S.A. strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
Legrand S.A. segments
Full profile >Building electrical & digital infrastructure (non-datacenter)
Oligopoly
Datacenter infrastructure
Oligopoly
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