AJG vs AON
AJG: Arthur J. Gallagher & Co. is a leading global insurance brokerage and risk management firm providing specialized consulting and claims administration services. AON: A global leader in professional services and risk management, helping organizations navigate complex volatility through expert-driven insights in insurance, reinsurance, and human capital.
Side-by-side fundamentals
| Metric | AJG | AON | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $234.05 | $277.12 | |
| Market cap | $60.0B | $58.8B | |
| P/E as of 2026-10-08 | 38.70 | 15.28 | AON lower |
| PEG as of 2026-10-08, 3-year EPS CAGR to FY2025 | 11.33 | 1.28 | AON lower |
| Net margin FY2025, SEC XBRL | +10.7% | +21.5% | AON higher |
| Operating margin FY2025, SEC XBRL | n/a | +25.3% | |
| ROE FY2025, SEC XBRL | +6.4% | +39.1% | AON higher |
| ROA FY2025, SEC XBRL | +2.1% | +7.3% | AON higher |
| Debt / equity as of 2026-09-03 | 0.57 | 1.56 | AJG lower |
| Revenue growth (YoY) as of 2026-09-03 | +26.3% | +4.9% | AJG higher |
| Revenue CAGR (3y) SEC XBRL | +17.7% | +11.2% | AJG higher |
| Dividend yield as of 2026-09-03 | +1.2% | +1.1% | AJG higher |
| Dividend streak (yrs) SEC XBRL | 18 | 4 | AJG higher |
| Beta as of 2026-09-03 | 0.19 | 0.21 | |
| 1-year return as of 2026-10-08 close | -23.7% | -24.2% | AJG higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.