Stocks / AON vs MCY

AON vs MCY: Which Stock Is the Better Buy?

Aon plc and Mercury General Corporation side by side — fundamentals from SEC filings, refreshed nightly. Sector: Financial Services.

AON is the larger company ($76.5B vs $5.6B). On the fundamentals, AON grows revenue faster (9.2% vs 8.6%); AON earns a higher net margin (21.5% vs 9.5%); AON has the stronger return on equity (39.5% vs 22.4%). Neither shows an obvious red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — AON vs MCY, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Aon plc (AON)Mercury General Corporation (MCY)
Market cap$76.5B$5.6B
Revenue (latest FY)$17.18B$5.72B
Net income (latest FY)$3.69B$541.09M
Revenue growth (5y CAGR)9.2%8.6%
Net margin21.5%9.5%
Return on equity39.5%22.4%
P/E ratio19.96.7
Dividend yield0.9%1.3%
Profitable years (of last 10)108
Positive free cash flowYesYes

Verify the comparison

Use the filing period and source shown by each tool before treating two figures as comparable.

Compare with another company:

See the full AON vs MCY breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open AON's full financials →   Open MCY's full financials →

More comparisons

Frequently asked questions

Which is bigger, AON or MCY?

Aon plc is larger by market capitalization — $76.5B versus $5.6B.

Which grows faster, AON or MCY?

Over the last five fiscal years, Aon plc grew revenue faster — 9.2%/yr versus 8.6%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

Keep exploring

AON fundamentals → · MCY fundamentals → · All 1,500+ companies → · Free screener →