VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Saturday, January 10, 2026

Stock Comparison

OMRON Corporation vs Arthur J. Gallagher & Co.

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

OMRON Corporation

6645 · Tokyo Stock Exchange

Market cap (USD)$789.8B
Gross margin (TTM)43.8%
Operating margin (TTM)6.4%
Net margin (TTM)3.5%
SectorIndustrials
IndustryHardware, Equipment & Parts
CountryJP
Data as of2025-12-30
Moat score
59/ 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 OMRON Corporation's moat claims, evidence, and risks.

View 6645 analysis

Arthur J. Gallagher & Co.

AJG · New York Stock Exchange

Market cap (USD)$67.9B
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorFinancials
IndustryInsurance - Brokers
CountryUS
Data as of2026-01-09
Moat score
69/ 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 Arthur J. Gallagher & Co.'s moat claims, evidence, and risks.

View AJG analysis

Comparison highlights

  • Moat score gap: Arthur J. Gallagher & Co. leads (69 / 100 vs 59 / 100 for OMRON Corporation).
  • Segment focus: OMRON Corporation has 5 segments (45% in Industrial Automation Business (IAB)); Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage).
  • Moat breadth: OMRON Corporation has 7 moat types across 4 domains; Arthur J. Gallagher & Co. has 4 across 2.

Primary market context

OMRON Corporation

Industrial Automation Business (IAB)

Market

Industrial automation components and factory automation solutions (sensors, controllers, safety, robotics, OT/IT services)

Geography

Global

Customer

Manufacturers and machine builders (B2B)

Role

Automation supplier + solutions/services provider

Revenue share

45%

Arthur J. Gallagher & Co.

Brokerage

Market

Insurance and reinsurance brokerage and consulting

Geography

Global

Customer

Commercial, industrial, public sector, nonprofit and other organizations; underwriting enterprises for reinsurance placements

Role

Intermediary / broker / advisor

Revenue share

86%

Side-by-side metrics

OMRON Corporation
Arthur J. Gallagher & Co.
Ticker / Exchange
6645 - Tokyo Stock Exchange
AJG - New York Stock Exchange
Market cap (USD)
$789.8B
$67.9B
Gross margin (TTM)
43.8%
n/a
Operating margin (TTM)
6.4%
n/a
Net margin (TTM)
3.5%
n/a
Sector
Industrials
Financials
Industry
Hardware, Equipment & Parts
Insurance - Brokers
HQ country
JP
US
Primary segment
Industrial Automation Business (IAB)
Brokerage
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Moderate
Moat score
59 / 100
69 / 100
Moat domains
Supply, Demand, Legal, Network
Supply, Demand
Last update
2025-12-30
2026-01-09

Moat coverage

Shared moat types

Service Field NetworkData Workflow LockinBrand Trust

OMRON Corporation strengths

Compliance AdvantageProcurement InertiaLearning Curve YieldData Network Effects

Arthur J. Gallagher & Co. strengths

Operational Excellence

Segment mix

OMRON Corporation segments

Full profile >

Industrial Automation Business (IAB)

Oligopoly

45%

Healthcare Business (HCB)

Competitive

18.2%

Social Systems, Solutions and Service Business (SSB)

Oligopoly

18.2%

Device and Module Solutions Business (DMB)

Competitive

13.2%

Data Solution Business (DSB)

Oligopoly

5.3%

Arthur J. Gallagher & Co. segments

Full profile >

Brokerage

Oligopoly

86%

Risk Management

Competitive

14%

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 list

Looking for expansion-stage stocks?

Proven models entering the expansion stage with unit economics that work.

View expansion-stage stocks

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.