AJG vs AON vs WTW Stock Comparison

Arthur J. Gallagher, Aon and Willis Towers Watson Prices as of Nov 5, 2026 Peers: Industry group
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AJG Arthur J. Gallagher & Co.
$288.14 +25.3% 1M +16.2% 1Y
Market cap
$73.88B
P/E
43.5x
Revenue (TTM)
$16.37B
Div. yield
0.95%
Insurance Brokers Financial Services
4 wins
AON Aon plc
$344.42 +25.7% 1M +0.8% 1Y
Market cap
$73.07B
P/E
18.6x
Revenue (TTM)
$17.68B
Div. yield
0.93%
Insurance Brokers Financial Services
4 wins
WTW Willis Towers Watson Plc
$336.51 +15.3% 1M +4.2% 1Y
Market cap
$31.03B
P/E
20.0x
Revenue (TTM)
$10.27B
Div. yield
1.13%
Insurance Brokers Financial Services
4 wins

Head to Head

12 decided of 12

Arthur J. Gallagher leads on 4 of the 12 questions below (Arthur J. Gallagher 4, Aon 4, Willis Towers Watson 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAJGAONWTWLeader
Larger companyMarket capitalisation $73.88B $73.07B $31.03B AJG
Cheaper on earningsLower P/E, profitable companies only 43.5x 18.6x 20.0x AON
Cheaper on forward earningsLower price / next fiscal year consensus EPS 21.0x 19.1x 16.5x WTW
Faster revenue growthRevenue growth, trailing twelve months +25.6% +3.8% +4.8% AJG
More profitableNet margin, trailing twelve months 10.4% 22.2% 15.2% AON
Better return on capitalReturn on invested capital 6.0% 11.6% 12.6% WTW
Less leveragedLower net debt / EBITDA 2.7x 2.3x 1.7x WTW
Higher dividend yieldTrailing dividend yield 0.95% 0.93% 1.13% WTW
Better 1-year returnPrice return, last 12 months +16.2% +0.8% +4.2% AJG
Better 5-year returnAnnualised price return, 5 years +12.5%/yr +3.6%/yr +7.8%/yr AJG
Less volatileAnnualised volatility, 1 year 32.5% 29.7% 31.7% AON
Higher overall scoreMean of the five percentile scores vs peers 27/100 39/100 33/100 AON

Percentile Scorecard

AJGAONWTW

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisAJGAONWTW
Valuation 9 #108 of 119 12 #105 of 119 16 #100 of 119
Growth 60 #47 of 117 43 #67 of 117 36 #75 of 117
Profitability 32 #80 of 117 76 #29 of 117 64 #43 of 117
Financial Health 10 #106 of 118 23 #91 of 118 20 #95 of 118
Shareholder Returns 24 #82 of 108 42 #63 of 108 28 #78 of 108
Overall 27 39 33
  • AJG ranked among 126 companies in Insurance
  • AON ranked among 126 companies in Insurance
  • WTW ranked among 126 companies in Insurance

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodAJGAONWTWSPY
1 month +25.3%+25.7%+15.3% -5.9%
3 months +14.5%-4.5%-1.0% -4.6%
6 months +42.7%+9.8%+30.4% +0.2%
Year to date +11.3%-2.4%+2.4% +7.5%
1 year +16.2%+0.8%+4.2% +8.2%
3 years +18.6%+5.8%+42.6% +68.3%
3 years, per year +5.9%+1.9%+12.6% +19.0%
5 years +79.8%+19.4%+45.5% +56.5%
5 years, per year +12.5%+3.6%+7.8% +9.4%
10 years +506.9%+219.5%+188.2% +251.5%
10 years, per year +19.8%+12.3%+11.2% +13.4%

Risk

MeasureAJGAONWTWSPY
Volatility, 1Y 32.5%29.7%31.7% 13.6%
Downside volatility, 1Y 32.0%30.9%33.5% 14.2%
Beta vs S&P 500, 1Y -0.29-0.22-0.12 1.00
Return / volatility, 1Y 0.500.030.13 0.60
Max drawdown, 5Y -44.9%-34.2%-30.8% -25.4%
From 52-week high -0.1%-9.6%-4.1% -5.9%
52-week high $288.49$381.11$350.75 $779.14
52-week low $192.00$269.45$242.12 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleAJGAONWTW
P/E now vs peer median 43.5xmedian 10.9x 18.6xmedian 10.9x 20.0xmedian 10.9x
P/S now vs peer median 4.5xmedian 1.4x 4.1xmedian 1.4x 3.0xmedian 1.4x
EV/EBITDA now vs peer median 20.2xmedian 7.1x 15.5xmedian 7.1x 13.2xmedian 7.1x
P/FCF now vs peer median 25.6xmedian 8.3x 22.4xmedian 8.3x 17.8xmedian 8.3x
P/B now vs peer median 3.1xmedian 1.5x 7.2xmedian 1.5x 4.0xmedian 1.5x
PEG now vs peer median 5.28median 0.62 1.61median 0.62 1.02median 0.62

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsAJGAONWTW
Revenue $16.37B $17.68B $10.27B
Operating income – $4.65B $2.26B
Net income $1.71B $4.01B $1.58B
Free cash flow $2.89B $3.27B $1.74B
EPS (diluted) $6.55 $18.46 $16.64
Cash & equivalents $1.21B $2.02B $1.95B
Total debt $12.74B $28.04B $6.53B
Shares (diluted) 259.40M 213.00M 94.00M
Enterprise value $68.50B $52.29B $22.46B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricAJGAONWTW
P/E 43.5x 18.6x 20.0x
P/FCF 25.6x 22.4x 17.8x
P/Operating cash flow 24.1x 20.4x 15.6x
P/S 4.5x 4.1x 3.0x
P/B 3.1x 7.2x 4.0x
P/Tangible book 5.3x 15.5x 4.8x
EV/EBITDA 20.2x 15.5x 13.2x
EV/EBIT 30.4x 18.5x 15.8x
EV/Revenue 5.2x 4.9x 3.5x
EV/FCF 29.6x 26.3x 20.4x
EV/Operating cash flow 27.9x 24.0x 17.9x
PEG (3Y EPS CAGR) 5.28 1.61 1.02

Growth

14 metrics
MetricAJGAONWTW
Revenue growth (1Y) 25.6% 3.8% 4.8%
Revenue CAGR (3Y) 19.2% 10.4% 3.4%
Gross profit growth (1Y) – – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) – 9.9% 6.5%
Operating income CAGR (3Y) – 5.0% 20.4%
Net income growth (1Y) 6.0% 44.1% -25.7%
Net income CAGR (3Y) 14.3% 12.8% 15.2%
EPS growth (1Y) 6.4% 47.2% -22.9%
EPS CAGR (3Y) 8.2% 11.5% 19.6%
Operating cash flow growth (1Y) 59.8% 8.8% 23.8%
Operating cash flow CAGR (3Y) 16.3% 3.6% 18.3%
Free cash flow growth (1Y) 63.4% 7.4% 26.2%
Free cash flow CAGR (3Y) 18.0% 3.5% 18.6%

Profitability

14 metrics
MetricAJGAONWTW
Gross margin – – –
EBITDA margin 25.8% 31.2% 26.2%
Operating margin – 26.3% 22.0%
Pretax margin 13.1% 28.8% 19.6%
Net margin 10.4% 22.2% 15.2%
FCF margin 17.6% 18.5% 17.0%
Operating cash flow margin 18.7% 20.2% 19.3%
Return on equity 7.1% 40.3% 20.2%
Return on assets 2.1% 6.8% 5.2%
Return on invested capital 6.0% 11.6% 12.6%
Return on capital employed 7.0% 13.6% 14.4%
Asset turnover 0.2x 0.3x 0.3x
Cash conversion (OCF / net income) 1.8x 0.9x 1.3x
Stock comp / revenue 1.0% 2.1% 2.2%

Financial Health

11 metrics
MetricAJGAONWTW
Debt / assets 16.1% 43.0% 21.8%
Debt / equity 0.5x 2.7x 0.8x
Net debt / EBITDA 2.7x 2.3x 1.7x
Debt / FCF 4.4x 8.6x 3.7x
Liabilities / assets 69.6% 84.3% 73.9%
Equity / assets 30.4% 15.7% 26.1%
Interest coverage 4.3x 6.2x 7.5x
Current ratio 1.1x 1.6x 1.1x
Quick ratio 0.2x 0.8x 0.3x
Cash ratio 0.0x 0.6x 0.1x
Altman Z-score 1.28 1.58 1.46

Shareholder Returns

7 metrics
MetricAJGAONWTW
Dividend yield 1.0% 0.9% 1.1%
Net buyback yield 0.6% 1.8% 4.3%
Shareholder yield 1.5% 2.7% 5.4%
Payout ratio (earnings) 41.4% 16.8% 22.5%
Payout ratio (FCF) 24.5% 20.6% 20.4%
Dividend growth (1Y) 12.2% 9.4% -0.6%
Dividend CAGR (3Y) 15.2% 11.7% 0.2%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusAJGAONWTW
Forward P/E 21.0xFY2026 19.1xFY2026 16.5xFY2026
EPS, next fiscal year $13.73FY2026 $18.02FY2026 $20.45FY2026
EPS growth, next FY +28.4%FY2026 +5.6%FY2026 +19.7%FY2026
EPS growth, the year after +13.5% +8.6% +7.9%
Revenue, next fiscal year $17.02BFY2026 $19.12BFY2026 $10.10BFY2026
Revenue growth, next FY +23.5%FY2026 +11.3%FY2026 +4.1%FY2026
Revenue growth, the year after +0.5% +9.6% +16.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAJGAONWTW
Held by institutions 93.0% 90.5% 97.1%
Institutions holding 1,294 1,257 695
Change in shares held, QoQ +4.0% +3.1% +0.8%
Institutions buying 622 604 314
Institutions selling 486 450 280
Buyers to sellers 1.28 1.34 1.12

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

AJGAONWTW
AJG 1.00 0.79 0.72
AON 0.79 1.00 0.70
WTW 0.72 0.70 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AJG, AON and WTW?

Arthur J. Gallagher (AJG) is the largest by market capitalisation: Arthur J. Gallagher (AJG) $73.88B, Aon (AON) $73.07B, Willis Towers Watson (WTW) $31.03B.

Which stock is cheaper, AJG, AON and WTW?

Aon (AON) trades on the lowest price-to-earnings ratio (Arthur J. Gallagher (AJG) 43.5x, Aon (AON) 18.6x, Willis Towers Watson (WTW) 20.0x). On next year's consensus earnings, Willis Towers Watson (WTW) is cheapest (Arthur J. Gallagher (AJG) 21.0x, Aon (AON) 19.1x, Willis Towers Watson (WTW) 16.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Arthur J. Gallagher (AJG) grew revenue fastest over the trailing twelve months: Arthur J. Gallagher (AJG) +25.6%, Aon (AON) +3.8%, Willis Towers Watson (WTW) +4.8%.

Which company is more profitable?

Aon (AON) has the highest net margin (Arthur J. Gallagher (AJG) 10.4%, Aon (AON) 22.2%, Willis Towers Watson (WTW) 15.2%). On return on invested capital, Willis Towers Watson (WTW) leads (Arthur J. Gallagher (AJG) 6.0%, Aon (AON) 11.6%, Willis Towers Watson (WTW) 12.6%).

Which stock has performed better?

Over the past year Arthur J. Gallagher (AJG) returned the most: Arthur J. Gallagher (AJG) +16.2%, Aon (AON) +0.8%, Willis Towers Watson (WTW) +4.2%. Over five years, Arthur J. Gallagher (AJG) compounded fastest (Arthur J. Gallagher (AJG) +12.5%/yr, Aon (AON) +3.6%/yr, Willis Towers Watson (WTW) +7.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Willis Towers Watson (WTW) has the highest dividend yield: Arthur J. Gallagher (AJG) 0.95%, Aon (AON) 0.93%, Willis Towers Watson (WTW) 1.13%.

Which stock is riskier?

By one-year price volatility, Aon (AON) has been the steadiest (Arthur J. Gallagher (AJG) 32.5%, Aon (AON) 29.7%, Willis Towers Watson (WTW) 31.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AJG, AON and WTW?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Arthur J. Gallagher (AJG) leads on 4. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.