AON trades 37.5% below Wall Street's consensus target of $387.30.
Last 12 months price action with 12-month analyst target path
The base valuation assumes AON achieves its forward estimates and maintains a stable P/E multiple of 15.0x. This scenario reflects the blended consensus of 38 Wall Street analysts, balancing both positive catalysts and macroeconomic headwinds over the next 12 months.
As of September 24, 2026, Aon plc (AON) has a Wall Street consensus price target of $387.30, based on estimates from 38 covering analysts. With the stock currently trading at $281.60, this represents a potential upside of +37.5%. The company has a market capitalization of $59.73B.
Analyst price targets range from a low of $349.00 to a high of $433.00, representing a 22% spread in expectations. The median target of $382.50 aligns closely with the consensus average. The tight target dispersion indicates high conviction among analysts.
The current analyst consensus rating is Hold, with 18 analysts rating the stock as a Buy or Strong Buy,19 rating it Hold, and 1 rating it Sell or Strong Sell. The mixed ratings reflect uncertainty about near-term direction.
From a valuation perspective, AON trades at a trailing P/E of 16.5x and forward P/E of 15.0x. The forward PEG ratio of 1.00 suggests the stock may be undervalued relative to its growth. Analysts expect EPS to grow +3.0% over the next year.
Our proprietary valuation model, which blends historical multiples with forward estimates, suggests a base-case price target of $423.05, with bear and bull scenarios of $266.52 and $557.40 respectively. Model confidence stands at 50/100, reflecting moderate uncertainty in projections.
| Company | Market Cap | Price | Target | Upside Potential | Rating | Fwd P/E | Analysts |
|---|---|---|---|---|---|---|---|
 MMCMarsh & McLennan Companies, Inc. | $85.3B | $174.06 | $199.40 | +14.6% | Hold | 16.9x | 26 |
 WTWWillis Towers Watson Public Limited Company | $28.2B | $298.99 | $354.27 | +18.5% | Buy | 15.1x | 29 |
 AJGArthur J. Gallagher & Co. | $59.0B | $229.64 | $285.00 | +24.1% | Buy | 17.3x | 29 |
 BROBrown & Brown, Inc. | $20.6B | $61.70 | $72.50 | +17.5% | Hold | 13.7x | 31 |
 HIGThe Hartford Insurance Group, Inc. | $34.7B | $126.59 | $151.33 | +19.5% | Buy | 9.9x | 42 |
 ERIEErie Indemnity Company | $10.4B | $225.77 | — | — | — | 17.8x | — |
 RLIRLI Corp. | $5.2B | $56.85 | $61.33 | +7.9% | Hold | 19.9x | 12 |
 RYANRyan Specialty Holdings, Inc. | $10.1B | $36.17 | $47.78 | +32.1% | Buy | 16.7x | 19 |
 ACGLArch Capital Group Ltd. | $33.2B | $95.16 | $113.50 | +19.3% | Buy | 10.1x | 34 |
 BLKBlackRock, Inc. | $164.4B | $1060.89 | $1337.86 | +26.1% | Buy | 18.9x | 33 |
Quick answers to the most common questions about buying AON stock.
The consensus Wall Street price target for AON is $387.3, representing 37.5% upside from the current price of $281.6. With 38 analysts covering the stock, this strong upside suggests significant value not yet reflected in today's share price.
AON has a consensus rating of "Hold" based on 38 Wall Street analysts. The rating breakdown is mixed, with 19 Hold ratings making up the largest segment. The consensus 12-month price target of $387.3 implies 37.5% upside from current levels.
With a forward P/E of 14.9901x, AON trades at a relatively low valuation. The consensus target of $387.3 implies 37.5% appreciation, suggesting meaningful undervaluation.
The most bullish Wall Street analyst has a price target of $433 for AON, while the most conservative target is $349. The consensus of $387.3 represents the median expectation. Our quantitative valuation model projects a bull case target of $557 based on optimistic growth and margin assumptions. These targets typically reflect 12-month expectations.
AON is heavily covered by Wall Street, with 38 analysts providing price targets and ratings. Of these, 0 have Strong Buy ratings, 18 have Buy ratings, 19 recommend Hold, and 1 have Sell or Strong Sell ratings. Higher analyst coverage generally indicates greater institutional interest and more reliable consensus estimates.
The 12-month AON stock forecast based on 38 Wall Street analysts shows a consensus price target of $387.3, with estimates ranging from $349 (bear case) to $433 (bull case). The median consensus rating is "Hold". Our proprietary valuation model produces a base case fair value of $423, with bear/bull scenarios of $267/$557.
Our quantitative valuation model calculates AON's fair value at $423 (base case), with a bear case of $267 and bull case of $557. The model uses discounted cash flow analysis, historical growth rates, and margin mean-reversion to project FY+2 earnings, then applies an appropriate P/E multiple. The model confidence score is 50/100.
AON trades at a forward P/E ratio of 15.0x based on next-twelve-months earnings estimates compared to a trailing P/E of 16.5x. The lower forward P/E indicates analysts expect earnings growth. A forward P/E is useful for comparing valuations when earnings are expected to change significantly.
Wall Street analysts are very optimistic on AON, with a "Hold" consensus rating and $387.3 price target (37.5% upside). 18 of 38 analysts rate it Buy or Strong Buy. This information is for educational purposes only. Always conduct your own research, consider your financial situation, and consult a financial advisor before making investment decisions.
AON analyst price targets range from $349 to $433, a 22% tight range reflecting strong analyst consensus. Differences stem from varying assumptions about revenue growth, profit margins, competitive dynamics, and valuation multiples. The $387.3 consensus represents the middle ground. Our model's $267-$557 range provides an independent fundamental perspective.
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