Verified peer comparison

AON vs BRK.B

Aon plc compared with Berkshire Hathaway Inc.. This page compares both source-verified company profiles and does not introduce an unverified price target.

AON

Aon plc

$189.43

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BRK.B

Berkshire Hathaway Inc.

$189.43

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Company-specific comparison

Business exposure

AON: Insurance Brokers

BRK.B: Multi-Sector Holdings

Upside lens

AON: Complex cyber, climate and geopolitical risks can support brokerage and advice. Integrated analytics can improve client outcomes and deepen recurring relationships. NFP can expand middle-market distribution and cross-selling opportunities.

BRK.B: Disciplined underwriting across GEICO, Berkshire Hathaway Reinsurance Group, and primary insurers can provide low-cost float for investment. Berkshire's large cash and Treasury-bill holdings provide capacity for acquisitions, securities purchases, operating investment, or repurchases when expected returns are attractive. Earnings from insurance, BNSF, Berkshire Hathaway Energy, manufacturing, service, and retail can offset weakness in individual industries.

Risk lens

AON: Retention, systems and synergy execution can fall short after acquisitions. A softer commercial market can slow commission growth. Advice errors, litigation or cyber incidents can create financial and reputational costs.

BRK.B: Large or unusual insured events can produce volatile claims, reserve uncertainty, and material quarterly underwriting losses. Concentrated public-equity holdings and the difficulty of deploying a very large capital base can amplify market exposure or depress future returns. Railroad and utility returns depend on heavy investment, operational reliability, regulation, commodity flows, weather, and wildfire-related liabilities.

Verified sources

Aon Reports First Quarter 2026 ResultsAon plc · earningsVerified

Fetched: 7/12/2026, 12:00:00 AM UTC

Published: 4/24/2026, 12:00:00 AM

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Aon plc Investor RelationsAon plc · companyVerified

Fetched: 7/12/2026, 12:00:00 AM UTC

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Aon plc SEC filings and company factsU.S. Securities and Exchange Commission · filingVerified

Fetched: 7/12/2026, 12:00:00 AM UTC

Published: 4/24/2026, 12:00:00 AM

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Berkshire Hathaway First Quarter 2026 Earnings ReleaseBerkshire Hathaway Inc. · earningsVerified

Fetched: 7/12/2026, 12:00:00 AM UTC

Published: 5/2/2026, 12:00:00 PM

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Berkshire Hathaway Annual and Interim ReportsBerkshire Hathaway Inc. · companyVerified

Fetched: 7/12/2026, 12:00:00 AM UTC

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Berkshire Hathaway Form 10-Q for the quarter ended March 31, 2026U.S. Securities and Exchange Commission · filingVerified

Fetched: 7/12/2026, 12:00:00 AM UTC

Published: 5/2/2026, 12:00:00 AM

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