AON vs BLK: Which Stock Is the Better Buy?
Aon plc and BlackRock, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Financial Services.
AI verdict — AON vs BLK, 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) | BlackRock, Inc. (BLK) | |
|---|---|---|
| Market cap | $76.5B | — |
| Revenue (latest FY) | $17.18B | $24.22B |
| Net income (latest FY) | $3.69B | $5.55B |
| Revenue growth (5y CAGR) | 9.2% | 29.8% |
| Net margin | 21.5% | 22.9% |
| Return on equity | 39.5% | 9.9% |
| P/E ratio | 19.9 | 26.1 |
| Dividend yield | 0.9% | 2.1% |
| Profitable years (of last 10) | 10 | 4 |
| Positive free cash flow | Yes | Yes |
Verify the comparison
Use the filing period and source shown by each tool before treating two figures as comparable.
See the full AON vs BLK 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 BLK's full financials →More comparisons
Frequently asked questions
Which is bigger, AON or BLK?
Market capitalization data is not available for both companies.
Which grows faster, AON or BLK?
Over the last five fiscal years, BlackRock, Inc. grew revenue faster — 29.8%/yr versus 9.2%/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.