AON vs. BRO: Aon vs. Brown & Brown Stock Comparison
How do Aon (AON) and Brown & Brown (BRO) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Aon (AON) and Brown & Brown (BRO) are both classified in the Insurance Brokers sub-industry within the broader Insurance industry, placing them in the closest GICS peer bucket.
| Profile Item | AON | BRO |
|---|---|---|
| Name | Aon plc Class A | Brown & Brown Inc. |
| Country/Region | Ireland | United States |
| GICS Sector | Financials | Financials |
| GICS Industry Group | Insurance | Insurance |
| GICS Industry | Insurance | Insurance |
| GICS Sub-Industry | Insurance Brokers | Insurance Brokers |
| Market Capitalization | 71.03 billion USD | 23.92 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | NYSE |
| Listing Date | June 2, 1980 | February 11, 1981 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | AON | BRO |
|---|---|---|
| Total Return (1Y) | -1.97% | -8.59% |
| Total Return (3Y, Annualized) | 1.25% | 0.40% |
| Total Return (5Y, Annualized) | 3.28% | 3.19% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | AON | BRO |
|---|---|---|
| Volatility (1Y, Annualized) | 29.20% | 32.50% |
| Beta (5Y) | 0.60 | 0.51 |
| Max Drawdown (5Y) | -33.57% | -55.85% |
| Avg. Volume (3M) | 1.64M | 2.25M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | AON | BRO |
|---|---|---|
| Sharpe Ratio (1Y) | -0.21 | -0.40 |
| Sortino Ratio (1Y) | -0.29 | -0.57 |
Profitability
ROE (TTM)
Aon (AON) at 43.38% clears its industry range for ROE, a sharper capital-efficiency signal than Brown & Brown (BRO) at 9.80%, which is closer to a typical peer reading.
AON
Insurance industry group
43.38%
- AON
- 43.38%
- Max
- 41.68%
- Q3
- 22.04%
- Median
- 14.81%
- Q1
- 8.79%
- Min
- -10.66%
BRO
Insurance industry group
9.80%
- Max
- 41.68%
- Q3
- 22.04%
- Median
- 14.81%
- BRO
- 9.80%
- Q1
- 8.79%
- Min
- -10.66%
Net Margin (TTM)
For every dollar of sales, both Aon (AON) at 22.24% and Brown & Brown (BRO) at 17.88% retain more as net profit than most peers, landing in the top net margin quartile of their industries.
AON
Insurance industry group
22.24%
- Max
- 29.92%
- AON
- 22.24%
- Q3
- 17.03%
- Median
- 10.97%
- Q1
- 6.21%
- Min
- -4.68%
BRO
Insurance industry group
17.88%
- Max
- 29.92%
- BRO
- 17.88%
- Q3
- 17.03%
- Median
- 10.97%
- Q1
- 6.21%
- Min
- -4.68%
Operating Margin (TTM)
Neither side reports a meaningful operating margin: for Aon (AON) in Insurance and Brown & Brown (BRO) in Insurance, funding costs are part of the core business, so net margin and ROE are the cleaner profitability reads.
Profitability Metrics
| Metric | AON | BRO |
|---|---|---|
| ROE (TTM) | 43.38% | 9.80% |
| ROA (TTM) | 5.45% | 3.89% |
| Net Margin (TTM) | 22.24% | 17.88% |
| Operating Margin (TTM) | -- | -- |
| Gross Margin (TTM) | -- | -- |
Growth
Revenue Growth
Brown & Brown (BRO) at 22.49% sits in the top revenue growth quartile, while Aon (AON) at 9.45% is closer to the peer norm — faster top-line expansion for BRO.
EPS Growth
Both Aon (AON) at 36.27% and Brown & Brown (BRO) at -8.67% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.
Growth Metrics
| Metric | AON | BRO |
|---|---|---|
| Revenue Growth (YoY) | 9.45% | 22.49% |
| Revenue Growth (3Y CAGR) | 11.25% | 17.38% |
| EPS Growth (YoY) | 36.27% | -8.67% |
| EPS Growth (3Y CAGR) | 11.92% | 10.06% |
Financial Strength
Current Ratio (MRQ)
current ratio doesn’t apply on either side: Aon (AON) in Insurance and Brown & Brown (BRO) in Insurance both report balance sheets without a current/non-current split, so their short-term liquidity is better judged through regulatory and funding measures.
Debt / Equity (MRQ)
debt-to-equity ratio is set aside for both: Aon (AON) in Insurance and Brown & Brown (BRO) in Insurance run businesses where balance-sheet leverage is part of the model, so capital-adequacy and funding measures are the better gauges of balance-sheet risk.
Financial Strength Metrics
| Metric | AON | BRO |
|---|---|---|
| Current Ratio (MRQ) | -- | -- |
| Debt / Equity (MRQ) | -- | -- |
| Net Debt / EBITDA | -- | -- |
Dividends
Dividend Yield (TTM)
Both Aon (AON) at 0.91% and Brown & Brown (BRO) at 0.89% pay solid, industry-typical yields, sitting squarely within their peers’ usual range.
AON
Insurance industry group
0.91%
- Max
- 5.12%
- Q3
- 2.15%
- Median
- 0.98%
- AON
- 0.91%
- Q1
- 0.00%
- Min
- 0.00%
BRO
Insurance industry group
0.89%
- Max
- 5.12%
- Q3
- 2.15%
- Median
- 0.98%
- BRO
- 0.89%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Both Aon (AON) at 17.13% and Brown & Brown (BRO) at 20.89% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.
AON
Insurance industry group
17.13%
- Max
- 76.67%
- Q3
- 35.18%
- AON
- 17.13%
- Median
- 14.74%
- Q1
- 0.00%
- Min
- 0.00%
BRO
Insurance industry group
20.89%
- Max
- 76.67%
- Q3
- 35.18%
- BRO
- 20.89%
- Median
- 14.74%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | AON | BRO |
|---|---|---|
| Dividend Yield (TTM) | 0.91% | 0.89% |
| Dividend Payout Ratio (TTM) | 17.13% | 20.89% |
Valuation
P/E Ratio (TTM)
Aon (AON) at 18.33 is near its industry’s usual P/E ratio, while Brown & Brown (BRO) at 22.82 sits in the richer quartile — BRO needs stronger growth or earnings quality to justify the premium.
AON
Insurance industry group
18.33
- Max
- 28.37
- Q3
- 18.75
- AON
- 18.33
- Median
- 12.23
- Q1
- 9.08
- Min
- 2.32
BRO
Insurance industry group
22.82
- Max
- 28.37
- BRO
- 22.82
- Q3
- 18.75
- Median
- 12.23
- Q1
- 9.08
- Min
- 2.32
P/S Ratio (TTM)
Both Aon (AON) at 4.02 and Brown & Brown (BRO) at 3.51 command a richer price per dollar of sales than most peers, sitting in the upper P/S ratio quartile of their industries.
AON
Insurance industry group
4.02
- Max
- 4.03
- AON
- 4.02
- Q3
- 2.25
- Median
- 1.23
- Q1
- 0.85
- Min
- 0.07
BRO
Insurance industry group
3.51
- Max
- 4.03
- BRO
- 3.51
- Q3
- 2.25
- Median
- 1.23
- Q1
- 0.85
- Min
- 0.07
P/B Ratio (MRQ)
Brown & Brown (BRO) at 1.87 sits near its industry’s typical P/B ratio, while Aon (AON) at 7.03 prices above its benchmark range — AON looks rich relative to book.
AON
Insurance industry group
7.03
- AON
- 7.03
- Max
- 5.07
- Q3
- 2.79
- Median
- 1.76
- Q1
- 1.23
- Min
- 0.30
BRO
Insurance industry group
1.87
- Max
- 5.07
- Q3
- 2.79
- BRO
- 1.87
- Median
- 1.76
- Q1
- 1.23
- Min
- 0.30
Valuation Metrics
| Metric | AON | BRO |
|---|---|---|
| P/E Ratio (TTM) | 18.33 | 22.82 |
| P/S Ratio (TTM) | 4.02 | 3.51 |
| P/B Ratio (MRQ) | 7.03 | 1.87 |
| Free Cash Flow Yield (TTM) | -- | -- |