Stocks / AON vs FFIN

AON vs FFIN: Which Stock Is the Better Buy?

Aon plc and First Financial Bankshares, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Financial Services.

AON is the larger company ($76.5B vs $4.7B). On the fundamentals, FFIN earns a higher net margin (39.4% vs 21.5%); AON has the stronger return on equity (39.5% vs 13.2%); FFIN trades cheaper on earnings (18.0× vs 19.9×). On the filings, AON carries fewer potential red flags (0 vs 1). Full numbers below — the stronger figure on each row is in green.

AI verdict — AON vs FFIN, 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)First Financial Bankshares, Inc. (FFIN)
Market cap$76.5B$4.7B
Revenue (latest FY)$17.18B$644.35M
Net income (latest FY)$3.69B$253.58M
Revenue growth (5y CAGR)9.2%
Net margin21.5%39.4%
Return on equity39.5%13.2%
P/E ratio19.918.0
Dividend yield0.9%2.7%
Profitable years (of last 10)1010
Positive free cash flowYesYes

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

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See the full AON vs FFIN 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 FFIN's full financials →

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Frequently asked questions

Which is bigger, AON or FFIN?

Aon plc is larger by market capitalization — $76.5B versus $4.7B.

Which grows faster, AON or FFIN?

Five-year growth data is not available for both companies.

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.

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