AJG vs WTW vs AON Stock Comparison

Arthur J. Gallagher, Willis Towers Watson and Aon Prices as of Oct 26, 2026 Peers: Industry group
AJG Arthur J. Gallagher & Co.
$266.73 +15.4% 1M -5.0% 1Y
Market cap
$65.86B
P/E
42.0x
Revenue (TTM)
$15.75B
Div. yield
0.01%
Insurance Brokers Financial Services
3 wins
WTW Willis Towers Watson Plc
$324.67 +10.4% 1M -1.1% 1Y
Market cap
$29.69B
P/E
19.0x
Revenue (TTM)
$10.10B
Div. yield
0.01%
Insurance Brokers Financial Services
5 wins
AON Aon plc
$302.08 +8.7% 1M -10.6% 1Y
Market cap
$63.32B
P/E
16.2x
Revenue (TTM)
$17.58B
Div. yield
0.01%
Insurance Brokers Financial Services
4 wins

Head to Head

12 decided of 12

Willis Towers Watson leads on 5 of the 12 questions below (Willis Towers Watson 5, Aon 4, Arthur J. Gallagher 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAJGWTWAONLeader
Larger companyMarket capitalisation $65.86B $29.69B $63.32B AJG
Cheaper on earningsLower P/E, profitable companies only 42.0x 19.0x 16.2x AON
Cheaper on forward earningsLower price / next fiscal year consensus EPS 19.4x 15.9x 16.6x WTW
Faster revenue growthRevenue growth, trailing twelve months +26.3% +3.0% +4.9% AJG
More profitableNet margin, trailing twelve months 10.0% 15.5% 22.3% AON
Better return on capitalReturn on invested capital 5.7% 12.5% 14.8% AON
Less leveragedLower net debt / EBITDA 3.0x 1.8x 2.5x WTW
Higher dividend yieldTrailing dividend yield 0.01% 0.01% 0.01% WTW
Better 1-year returnPrice return, last 12 months -5.0% -1.1% -10.6% WTW
Better 5-year returnAnnualised price return, 5 years +10.5%/yr +6.2%/yr -1.0%/yr AJG
Less volatileAnnualised volatility, 1 year 32.7% 31.8% 29.2% AON
Higher overall scoreMean of the five percentile scores vs peers 25/100 44/100 39/100 WTW

Percentile Scorecard

AJGWTWAON

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

AxisAJGWTWAON
Valuation 5 #113 of 119 17 #99 of 119 11 #106 of 119
Growth 49 #59 of 115 74 #31 of 115 42 #67 of 115
Profitability 32 #77 of 113 70 #35 of 113 85 #18 of 113
Financial Health 9 #104 of 114 23 #88 of 114 5 #108 of 114
Shareholder Returns 29 #76 of 107 36 #69 of 107 54 #50 of 107
Overall 25 44 39
  • AJG ranked among 126 companies in Insurance
  • WTW ranked among 126 companies in Insurance
  • AON ranked among 126 companies in Insurance

Price Performance

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

Returns

PeriodAJGWTWAONSPY
1 month +15.4%+10.4%+8.7% -0.8%
3 months +5.2%+7.3%-17.7% +3.5%
6 months +24.0%+12.2%-6.7% +7.0%
Year to date +3.1%-1.2%-14.4% +12.2%
1 year -5.0%-1.1%-10.6% +13.0%
3 years +16.9%+41.8%-1.6% +86.3%
3 years, per year +5.3%+12.4%-0.5% +23.1%
5 years +64.4%+35.1%-4.7% +68.6%
5 years, per year +10.5%+6.2%-1.0% +11.0%
10 years +449.8%+157.4%+179.2% +258.0%
10 years, per year +18.6%+9.9%+10.8% +13.6%

Risk

MeasureAJGWTWAONSPY
Volatility, 1Y 32.7%31.8%29.2% 12.7%
Downside volatility, 1Y 33.0%33.5%31.0% 12.7%
Beta vs S&P 500, 1Y -0.38-0.18-0.31 1.00
Return / volatility, 1Y -0.15-0.04-0.36 1.02
Max drawdown, 5Y -44.9%-30.8%-34.2% -25.4%
From 52-week high -4.4%-7.4%-20.7% -1.8%
52-week high $279.00$350.75$381.11 $779.14
52-week low $192.00$242.12$269.45 $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.

MultipleAJGWTWAON
P/E now vs peer median 43.6xmedian 10.6x 19.5xmedian 10.6x 16.5xmedian 10.6x
P/S now vs peer median 4.3xmedian 1.4x 3.0xmedian 1.4x 3.6xmedian 1.4x
EV/EBITDA now vs peer median 20.2xmedian 7.6x 13.1xmedian 7.6x 14.0xmedian 7.6x
P/FCF now vs peer median 29.9xmedian 8.6x 17.9xmedian 8.6x 19.7xmedian 8.6x
P/B now vs peer median 2.9xmedian 1.5x 3.9xmedian 1.5x 6.6xmedian 1.5x
PEG now vs peer median 7.14median 0.52 1.06median 0.52 1.35median 0.52

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 monthsAJGWTWAON
Revenue $15.75B $10.10B $17.58B
Operating income – $2.25B $4.65B
Net income $1.57B $1.58B $3.99B
Free cash flow $2.29B $1.69B $3.25B
EPS (diluted) $6.07 $16.65 $18.30
Cash & equivalents $1.39B $1.63B $1.06B
Total debt $13.48B $6.53B $14.97B
Shares (diluted) 258.70M 94.00M 213.90M
Enterprise value $60.27B $21.09B $56.54B

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
MetricAJGWTWAON
P/E 43.6x 19.5x 16.5x
P/FCF 29.9x 17.9x 19.7x
P/Operating cash flow 27.9x 15.7x 18.1x
P/S 4.3x 3.0x 3.6x
P/B 2.9x 3.9x 6.6x
P/Tangible book 5.1x 4.8x 15.9x
EV/EBITDA 20.2x 13.1x 14.0x
EV/EBIT 30.6x 15.6x 16.7x
EV/Revenue 5.1x 3.5x 4.4x
EV/FCF 35.2x 20.7x 23.9x
EV/Operating cash flow 32.9x 18.2x 22.0x
PEG (3Y EPS CAGR) 7.14 1.06 1.35

Growth

14 metrics
MetricAJGWTWAON
Revenue growth (1Y) 26.3% 3.0% 4.9%
Revenue CAGR (3Y) 19.6% 3.6% 10.9%
Gross profit growth (1Y) – – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) – 140.2% 15.4%
Operating income CAGR (3Y) – 20.3% 5.9%
Net income growth (1Y) -4.5% 972.1% 49.7%
Net income CAGR (3Y) 12.2% 13.2% 13.4%
EPS growth (1Y) -3.8% 1,115% 52.8%
EPS CAGR (3Y) 6.1% 18.3% 12.2%
Operating cash flow growth (1Y) 15.4% 36.7% 12.1%
Operating cash flow CAGR (3Y) 13.2% 25.0% 3.1%
Free cash flow growth (1Y) 15.8% 43.3% 11.5%
Free cash flow CAGR (3Y) 14.8% 26.9% 3.3%

Profitability

14 metrics
MetricAJGWTWAON
Gross margin – – –
EBITDA margin 25.2% 26.4% 31.6%
Operating margin – 22.2% 26.5%
Pretax margin 12.6% 19.8% 28.9%
Net margin 10.0% 15.5% 22.3%
FCF margin 14.5% 16.7% 18.5%
Operating cash flow margin 15.5% 19.0% 20.1%
Return on equity 6.6% 19.9% 40.6%
Return on assets 2.0% 5.2% 7.6%
Return on invested capital 5.7% 12.5% 14.8%
Return on capital employed 7.1% 15.1% 18.5%
Asset turnover 0.2x 0.3x 0.3x
Cash conversion (OCF / net income) 1.6x 1.2x 0.9x
Stock comp / revenue 1.0% 1.9% 2.1%

Financial Health

11 metrics
MetricAJGWTWAON
Debt / assets 16.5% 21.4% 28.1%
Debt / equity 0.6x 0.8x 1.5x
Net debt / EBITDA 3.0x 1.8x 2.5x
Debt / FCF 5.9x 3.9x 4.6x
Liabilities / assets 71.0% 74.6% 81.8%
Equity / assets 29.0% 25.4% 18.2%
Interest coverage 4.1x 7.9x 6.2x
Current ratio 1.1x 1.1x 1.0x
Quick ratio 0.2x 0.3x 0.3x
Cash ratio 0.0x 0.1x 0.0x
Altman Z-score 1.15 1.39 1.52

Shareholder Returns

7 metrics
MetricAJGWTWAON
Dividend yield 1.0% 1.2% 1.0%
Net buyback yield 0.4% 5.6% 2.4%
Shareholder yield 1.4% 6.8% 3.4%
Payout ratio (earnings) 44.0% 22.7% 16.5%
Payout ratio (FCF) 30.3% 21.1% 20.3%
Dividend growth (1Y) 16.3% 0.0% 9.5%
Dividend CAGR (3Y) 15.4% 0.0% 11.5%

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.

ConsensusAJGWTWAON
Forward P/E 19.4xFY2026 15.9xFY2026 16.6xFY2026
EPS, next fiscal year $13.76FY2026 $20.42FY2026 $18.15FY2026
EPS growth, next FY +28.7%FY2026 +19.6%FY2026 +6.3%FY2026
EPS growth, the year after +13.3% +8.1% +8.1%
Revenue, next fiscal year $17.07BFY2026 $10.10BFY2026 $19.12BFY2026
Revenue growth, next FY +23.9%FY2026 +4.1%FY2026 +11.3%FY2026
Revenue growth, the year after +0.7% +16.0% +8.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAJGWTWAON
Held by institutions 93.0% 97.1% 90.5%
Institutions holding 1,290 692 1,254
Change in shares held, QoQ +4.0% +0.8% +3.1%
Institutions buying 621 314 603
Institutions selling 483 280 448
Buyers to sellers 1.29 1.12 1.35

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.

AJGWTWAON
AJG 1.00 0.72 0.76
WTW 0.72 1.00 0.70
AON 0.76 0.70 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AJG, WTW and AON?

Arthur J. Gallagher (AJG) is the largest by market capitalisation: Arthur J. Gallagher (AJG) $65.86B, Willis Towers Watson (WTW) $29.69B, Aon (AON) $63.32B.

Which stock is cheaper, AJG, WTW and AON?

Aon (AON) trades on the lowest price-to-earnings ratio (Arthur J. Gallagher (AJG) 42.0x, Willis Towers Watson (WTW) 19.0x, Aon (AON) 16.2x). On next year's consensus earnings, Willis Towers Watson (WTW) is cheapest (Arthur J. Gallagher (AJG) 19.4x, Willis Towers Watson (WTW) 15.9x, Aon (AON) 16.6x). 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) +26.3%, Willis Towers Watson (WTW) +3.0%, Aon (AON) +4.9%.

Which company is more profitable?

Aon (AON) has the highest net margin (Arthur J. Gallagher (AJG) 10.0%, Willis Towers Watson (WTW) 15.5%, Aon (AON) 22.3%). On return on invested capital, Aon (AON) leads (Arthur J. Gallagher (AJG) 5.7%, Willis Towers Watson (WTW) 12.5%, Aon (AON) 14.8%).

Which stock has performed better?

Over the past year Willis Towers Watson (WTW) returned the most: Arthur J. Gallagher (AJG) -5.0%, Willis Towers Watson (WTW) -1.1%, Aon (AON) -10.6%. Over five years, Arthur J. Gallagher (AJG) compounded fastest (Arthur J. Gallagher (AJG) +10.5%/yr, Willis Towers Watson (WTW) +6.2%/yr, Aon (AON) -1.0%/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) 0.01%, Willis Towers Watson (WTW) 0.01%, Aon (AON) 0.01%.

Which stock is riskier?

By one-year price volatility, Aon (AON) has been the steadiest (Arthur J. Gallagher (AJG) 32.7%, Willis Towers Watson (WTW) 31.8%, Aon (AON) 29.2%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Willis Towers Watson (WTW) leads on 5. 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.