Stocks / AGO vs AON

AGO vs AON: Which Stock Is the Better Buy?

Assured Guaranty Ltd. and Aon plc side by side — fundamentals from SEC filings, refreshed nightly. Sector: Financial Services.

AON is the larger company ($76.5B vs $3.4B). On the fundamentals, AON grows revenue faster (9.2% vs -0.1%); AGO earns a higher net margin (45.3% vs 21.5%); AON has the stronger return on equity (39.5% vs 8.9%). On the filings, AON carries fewer potential red flags (0 vs 2). Full numbers below — the stronger figure on each row is in green.

AI verdict — AGO vs AON, 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.

 Assured Guaranty Ltd. (AGO)Aon plc (AON)
Market cap$3.4B$76.5B
Revenue (latest FY)$1.11B$17.18B
Net income (latest FY)$503.00M$3.69B
Revenue growth (5y CAGR)-0.1%9.2%
Net margin45.3%21.5%
Return on equity8.9%39.5%
P/E ratio8.719.9
Dividend yield2.0%0.9%
Profitable years (of last 10)1010
Positive free cash flowYes

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See the full AGO vs AON 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.

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Frequently asked questions

Which is bigger, AGO or AON?

Aon plc is larger by market capitalization — $76.5B versus $3.4B.

Which grows faster, AGO or AON?

Over the last five fiscal years, Aon plc grew revenue faster — 9.2%/yr versus -0.1%/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.

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