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Aon (AON) vs. Marsh & McLennan Companies (MRSH)

This page compares Aon (AON) with Marsh & McLennan Companies (MRSH) using performance and risk, profitability, financial strength, growth, dividends, and valuation metrics.

Company Profile

Aon (AON) and Marsh & McLennan Companies (MRSH) are both classified in the Insurance Brokers sub-industry within the broader Insurance industry, placing them in the closest GICS peer bucket.

SymbolAONMRSH
NameAon plcMarsh & McLennan Companies, Inc.
Country/RegionIrelandUnited States
GICS SectorFinancialsFinancials
GICS Industry GroupInsuranceInsurance
GICS IndustryInsuranceInsurance
GICS Sub-IndustryInsurance BrokersInsurance Brokers
Market Capitalization68.82 billion USD77.69 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateJune 2, 1980February 21, 1973
Security TypeCommon StockCommon Stock

Valuation

Price-to-Earnings Ratio (TTM)

Both Aon (AON) at 17.70 and Marsh & McLennan Companies (MRSH) at 20.16 trade in the higher-multiple quartile for Price-to-Earnings Ratio (TTM) among industry peers, indicating higher trailing earnings multiples than typical peers.

AON

Insurance industry group

17.70

Max
23.34
Q3
16.14
Median
11.54
Q1
8.46
Min
3.25

MRSH

Insurance industry group

20.16

Max
23.34
Q3
16.14
Median
11.54
Q1
8.46
Min
3.25
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Price-to-Earnings Ratio (TTM) against the Insurance industry group benchmark.

Price-to-Sales Ratio (TTM)

Both Aon (AON) at 3.94 and Marsh & McLennan Companies (MRSH) at 2.82 command a richer price per dollar of sales than most peers, sitting in the upper Price-to-Sales Ratio (TTM) quartile of their industries.

AON

Insurance industry group

3.94

Max
3.94
Q3
2.05
Median
1.16
Q1
0.76
Min
0.13

MRSH

Insurance industry group

2.82

Max
3.94
Q3
2.05
Median
1.16
Q1
0.76
Min
0.13
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Price-to-Sales Ratio (TTM) against the Insurance industry group benchmark.

Price-to-Book Ratio (MRQ)

Measured against book value, both Aon (AON) at 7.00 and Marsh & McLennan Companies (MRSH) at 5.34 look expensive — each Price-to-Book Ratio (MRQ) sits above its industry’s benchmark range.

AON

Insurance industry group

7.00

Max
3.56
Q3
2.24
Median
1.59
Q1
1.07
Min
0.03

MRSH

Insurance industry group

5.34

Max
3.56
Q3
2.24
Median
1.59
Q1
1.07
Min
0.03
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Price-to-Book Ratio (MRQ) against the Insurance industry group benchmark.

Valuation at a Glance

SymbolAONMRSH
Price-to-Earnings Ratio (TTM)17.7020.16
Price-to-Sales Ratio (TTM)3.942.82
Price-to-Book Ratio (MRQ)7.005.34
Free Cash Flow Yield4.86%6.39%

Profitability

Return on Equity (TTM)

Aon (AON) leads with Return on Equity (TTM) of 46.45%, above its industry benchmark range, while Marsh & McLennan Companies (MRSH) at 27.57% also ranks strongly in the top quartile.

AON

Insurance industry group

46.45%

Max
38.88%
Q3
22.58%
Median
14.60%
Q1
9.87%
Min
-6.23%

MRSH

Insurance industry group

27.57%

Max
38.88%
Q3
22.58%
Median
14.60%
Q1
9.87%
Min
-6.23%
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Return on Equity (TTM) against the Insurance industry group benchmark.

Net Profit Margin (TTM)

Aon (AON) at 22.54% retains a top-quartile share of revenue as profit, ahead of Marsh & McLennan Companies (MRSH) at 14.26%, which keeps about the industry-typical share.

AON

Insurance industry group

22.54%

Max
38.86%
Q3
19.38%
Median
11.36%
Q1
5.57%
Min
-2.80%

MRSH

Insurance industry group

14.26%

Max
38.86%
Q3
19.38%
Median
11.36%
Q1
5.57%
Min
-2.80%
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Net Profit Margin (TTM) against the Insurance industry group benchmark.

Operating Profit Margin (TTM)

Operating Profit Margin (TTM) isn’t a meaningful figure for either Aon (AON) in Insurance or Marsh & McLennan Companies (MRSH) in Insurance under our convention.

AON

Insurance industry group

35.84%

Max
47.18%
Q3
23.07%
Median
15.52%
Q1
6.90%
Min
-16.30%

MRSH

Insurance industry group

24.34%

Max
47.18%
Q3
23.07%
Median
15.52%
Q1
6.90%
Min
-16.30%
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Operating Profit Margin (TTM) against the Insurance industry group benchmark.

Profitability at a Glance

SymbolAONMRSH
Return on Equity (TTM)46.45%27.57%
Return on Assets (TTM)6.05%7.27%
Net Profit Margin (TTM)22.54%14.26%
Operating Profit Margin (TTM)35.84%24.34%
Gross Profit Margin (TTM)47.34%43.85%

Growth

Revenue Growth

Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Revenue Growth across different time periods.

Revenue Growth at a Glance

SymbolAONMRSH
1-Year Revenue Growth9.45%10.32%
3-Year Revenue CAGR11.25%9.20%

EPS Growth

Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their EPS Growth across different time periods.

EPS Growth at a Glance

SymbolAONMRSH
1-Year EPS Growth36.27%3.06%
3-Year EPS CAGR11.92%11.75%

Financial Strength

Current Ratio (MRQ)

Current Ratio (MRQ) isn’t a meaningful figure for either Aon (AON) in Insurance or Marsh & McLennan Companies (MRSH) in Insurance under our convention.

AON

Insurance industry group

1.07

Max
3.60
Q3
1.88
Median
1.13
Q1
0.67
Min
0.12

MRSH

Insurance industry group

1.11

Max
3.60
Q3
1.88
Median
1.13
Q1
0.67
Min
0.12
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Current Ratio (MRQ) against the Insurance industry group benchmark.

Debt-to-Equity Ratio (MRQ)

Debt-to-Equity Ratio (MRQ) isn’t a meaningful figure for either Aon (AON) in Insurance or Marsh & McLennan Companies (MRSH) in Insurance under our convention.

AON

Insurance industry group

1.55

Max
0.86
Q3
0.48
Median
0.31
Q1
0.15
Min
0.00

MRSH

Insurance industry group

1.52

Max
0.86
Q3
0.48
Median
0.31
Q1
0.15
Min
0.00
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Debt-to-Equity Ratio (MRQ) against the Insurance industry group benchmark.

Financial Strength at a Glance

SymbolAONMRSH
Current Ratio (MRQ)1.071.11
Debt-to-Equity Ratio (MRQ)1.551.52
Net Debt / EBITDA2.442.73

Dividends

Dividend Yield (TTM)

Both Aon (AON) at 1.02% and Marsh & McLennan Companies (MRSH) at 2.23% report Dividend Yield (TTM) near their industry mid-ranges, so neither company stands out strongly from peers on cash yield relative to share price.

AON

Insurance industry group

1.02%

Max
5.63%
Q3
2.79%
Median
1.51%
Q1
0.00%
Min
0.00%

MRSH

Insurance industry group

2.23%

Max
5.63%
Q3
2.79%
Median
1.51%
Q1
0.00%
Min
0.00%
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Dividend Yield (TTM) against the Insurance industry group benchmark.

Dividend Payout Ratio (TTM)

Aon (AON) at 16.36% maintains Dividend Payout Ratio (TTM) around its industry median — a balanced dividend policy. Marsh & McLennan Companies (MRSH) at 43.94% sits outside the typical mid-range, leaning toward more retention or more distribution than the industry median.

AON

Insurance industry group

16.36%

Max
86.52%
Q3
36.67%
Median
15.38%
Q1
0.00%
Min
0.00%

MRSH

Insurance industry group

43.94%

Max
86.52%
Q3
36.67%
Median
15.38%
Q1
0.00%
Min
0.00%
Aon (AON) vs. Marsh & McLennan Companies (MRSH): A comparison of their Dividend Payout Ratio (TTM) against the Insurance industry group benchmark.

Dividends at a Glance

SymbolAONMRSH
Dividend Yield (TTM)1.02%2.23%
Dividend Payout Ratio (TTM)16.36%43.94%

Performance & Risk

AON
MRSH
Loading price history…
Aon (AON) vs. Marsh & McLennan Companies (MRSH): Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Performance & Risk at a Glance

SymbolAONMRSH
1-Year Return-13.11%-29.26%
1-Year Volatility23.85%23.52%
Beta0.720.62
3-Month Avg. Volume1.41M3.02M