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AonAON

Insurance Brokers · London, United Kingdom · In the S&P 500
Solid business
$321.67+0.01%After hours: $321.67 (0.00%)At the close, 30 Oct · Prices from CNBC, may be delayed
▼ 1.3% over 1 year
Aon over 1 yearDaily close, $, to 30 Oct 2026
$300$350Nov2026MarMayJulSep$321.67$300$350NovMarJul$321.67
Source: Nasdaq daily closes
Market value$68.25B
Price to earnings17.6x
Forward P/E16.7x
Dividend yield1.02%
Year to date−8.8%
One year−1.3%
Next earningsNot scheduled
SectorFinancials
52-week range (closes)
$269.45$381.26

Quality and valuation

How Aon compares with other financials stocks. A description, not a recommendation.

Aon and 5 insurance brokers peers. Across: valuation (P/E) against the sector. Up: business quality against the sector. Hover or tap a logo for its numbers.

Business quality: about averageValuation: in line with its sector

An average business among financials companies, priced about in line with them.

Aon trades at 16.7 times the next 12 months of expected earnings, against a median of 13.0x for the 84 financials stocks we cover. The quality score blends where it ranks on revenue growth, gross margin, operating margin and free-cash-flow margin (net margin for banks and insurers) over the last 12 months, from SEC filings.

  • Revenue grew slower than the sector median: +3.8% vs +10.2%
  • More profitable (operating margin): 26.3% vs 22.3%
  • Turns less of its sales into cash: 18.5% vs 20.3%
AON trades at 16.7x forward earnings, above the sector medianForward p/e, Insurance Brokers peers
BRO15.2xWTW15.5xAON16.7xMRSH18.2xAJG19.7xERIE41.3xSector median 13.0xBRO15.2xWTW15.5xAON16.7xMRSH18.2xAJG19.7xERIE41.3xSector median 13.0x
Source: CNBC quotes; Mostly Markets
At 17.6x earnings, AON is cheaper than its average since Oct 2024Price over the last 12 months of reported (GAAP) diluted EPS
P/EUsual range (±1 s.d.)
15x20x25x30xAverage 25.8x2025202617.6x20x30xAverage 25.8x2025202617.6x
Source: Nasdaq prices; SEC filings

Financials

From Aon's SEC filings, through the quarter ending 30 Sep 2026. Hover or tap a bar for its value.

Revenue grew 2.6% from a year earlierQuarterly revenue, $bn, latest Q3 ’26
$0bn$2bn$4bnQ4 ’24Q2 ’25Q4 ’25$4.1bnQ3 ’26$0bn$2bn$4bnQ4 ’24Q2 ’25Q4 ’25$4.1bnQ3 ’26
Source: SEC filings
Growth sped up to +2.6% last quarterRevenue growth, year on year, %
0%10%20%Q4 ’24Q2 ’25Q4 ’252.6%Q3 ’260%10%20%Q4 ’24Q2 ’25Q4 ’252.6%Q3 ’26
Source: SEC filings
Operating margin was 19.7% last quarterOperating income as a share of revenue, %
0%10%20%30%Q4 ’24Q2 ’25Q4 ’2519.7%Q3 ’260%20%Q4 ’24Q2 ’25Q4 ’2519.7%Q3 ’26
Source: SEC filings
Free cash flow was $3.3 billion over 12 monthsQuarterly free cash flow (operating cash flow minus capex), $bn
$0.0bn$0.5bn$1.0bnQ4 ’24Q2 ’25Q4 ’25$1.1bnQ3 ’26$0.0bn$0.5bn$1.0bnQ4 ’24Q2 ’25Q4 ’25$1.1bnQ3 ’26
Source: SEC filings
Last 12 monthsAONSector median
Revenue growth+3.8%+10.2%
Operating margin26.3%22.3%
Free cash flow margin18.5%20.3%
Price to earnings17.6x14.6x

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Similar companies

Insurance Brokers, by market value.

CompanyPriceTodayYTDValue
MRSHMarsh McLennan$200.62+1.82%+8.1%$95.40B
AJGArthur J. Gallagher$276.07+2.93%+6.7%$70.76B
WTWWillis Towers Watson$324.42+1.15%−1.3%$30.13B
BROBrown & Brown$69.76+2.83%−12.5%$23.14B
ERIEErie Indemnity$261.39+4.23%−8.8%$13.67B