AJG vs AON
AJG: Arthur J. Gallagher & Co. is a leading global insurance brokerage and risk management firm providing specialized insurance placement and third-party claims administration services. AON: Aon is a leading global professional services firm that provides integrated risk, health, and human capital solutions to help organizations navigate uncertainty and grow their businesses.
Side-by-side fundamentals
| Metric | AJG | AON | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $242.50 | $352.33 | |
| Market cap as of 2026-07-23 | $62.5B | $75.7B | |
| P/E as of 2026-07-23 | 38.76 | 19.22 | AON lower |
| PEG as of 2026-07-23 | 2.21 | 1.78 | AON lower |
| Net margin as of 2026-07-23 | +10.8% | +22.5% | AON higher |
| Gross margin as of 2026-07-23 | +45.9% | +47.8% | AON higher |
| Operating margin as of 2026-07-23 | +18.7% | +33.8% | AON higher |
| ROE as of 2026-07-23 | +6.9% | +45.1% | AON higher |
| ROA as of 2026-07-23 | +2.1% | +7.6% | AON higher |
| Debt / equity as of 2026-07-23 | 0.54 | 1.49 | AJG lower |
| Revenue growth (YoY) as of 2026-07-23 | +24.5% | +6.9% | AJG higher |
| Revenue CAGR (3y) SEC XBRL | +17.7% | +11.2% | AJG higher |
| Dividend yield as of 2026-07-23 | +1.1% | +0.9% | AJG higher |
| Dividend streak (yrs) SEC XBRL | 5 | 4 | AJG higher |
| Beta as of 2026-07-23 | 0.51 | 0.68 | |
| 1-year return as of 2026-07-22 close | -19.5% | -0.5% | AON higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.