Top line decelerating.
+9.4% YoY versus +17.4% prior. 3y CAGR +11.2%.
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Financial Services · Market Cap: $71.6B
Fundamentals as of 2025-12-31
All analysis on this page is for educational purposes only and does not constitute financial advice. Fair values are model-based estimates. Always do your own research.
+9.4% YoY versus +17.4% prior. 3y CAGR +11.2%.
+9.4%Net margin 21.5% versus 16.9% prior (+4.6pp). Operating 25.3%.
21.5%P/E 18.0x — 31% below the 5y median of 26.0x. Forward 16.6x hints at EPS expansion next year.
18.0xThe Question
Bottom line: AON is rated BUY by the 1 legendary model, but earns a C sector grade (58/100) in Financial Services. Use the per-tab analysis to form your own view. Drill into the valuation breakdown and sector ranking for the full picture.
AON and BAM differ on P/E, ROE, and revenue growth. See the full AON vs BAM compare matrix.
Munger evaluates AON against his respective frameworks. Per-model fair value and reasoning are in the valuation tab.
AON's P/E ratio is 19.1x. 5-year P/E history is in the financials tab.
Investor verdicts vary by methodology. Full breakdown by investor and signal is in the valuation tab.
AON's earnings calendar and history are tracked in the financials tab. Specific dates depend on company-published guidance.
AON is in the Financial Services sector. Sector ranking and peer comparison are in the sector tab.
Mixed — Aon plc has 39.5% ROE but D/E 4.41.
Financial story
Mixed — Aon plc's 39.5% ROE is strong, but its 4.41 debt-to-equity is elevated.
How does AON compare?
See exactly where AON ranks
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Sign in to see the rankingAON sits at #27 in Financial Services with a C grade (58/100).