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Aon plc (AON) vs. Marsh (MRSH)

This page compares Aon plc (AON) with Marsh (MRSH) using historical performance, profitability, financial strength, growth, dividend, and valuation metrics.

Company Profile

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

SymbolAONMRSH
Company NameAon plcMarsh & McLennan Companies, Inc.
Country/RegionIrelandUnited States
GICS SectorFinancialsFinancials
GICS Industry GroupInsuranceInsurance
GICS IndustryInsuranceInsurance
GICS Sub-IndustryInsurance BrokersInsurance Brokers
Market Capitalization69.13 billion USD80.01 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateJune 2, 1980February 21, 1973
Security TypeCommon StockCommon Stock

Historical Performance

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

Historical Performance at a Glance

SymbolAONMRSH
5-Day Price Return4.10%1.59%
13-Week Price Return-0.71%-4.64%
26-Week Price Return-7.51%-6.82%
52-Week Price Return-11.32%-28.27%
Month-to-Date Return3.85%-1.03%
Year-to-Date Return-8.28%-10.53%
10-Day Avg. Volume1.64M2.91M
3-Month Avg. Volume1.48M3.09M
3-Month Volatility26.79%26.78%
Beta0.730.64

Profitability

Return on Equity (TTM)

Aon plc (AON) leads with Return on Equity (TTM) of 45.09%, above its industry benchmark range, while Marsh (MRSH) at 25.91% also ranks strongly in the top quartile.

AON

Insurance industry group

45.09%

Max
36.48%
Q3
20.88%
Median
13.12%
Q1
7.68%
Min
-3.27%

MRSH

Insurance industry group

25.91%

Max
36.48%
Q3
20.88%
Median
13.12%
Q1
7.68%
Min
-3.27%
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Return on Equity (TTM) against the Insurance industry group benchmark.

Net Profit Margin (TTM)

Aon plc (AON) at 22.54% ranks in the top quartile for Net Profit Margin (TTM), ahead of Marsh (MRSH) at 14.26%, which sits closer to the industry mid-range.

AON

Insurance industry group

22.54%

Max
31.15%
Q3
18.03%
Median
10.86%
Q1
5.62%
Min
-2.53%

MRSH

Insurance industry group

14.26%

Max
31.15%
Q3
18.03%
Median
10.86%
Q1
5.62%
Min
-2.53%
Aon plc (AON) vs. Marsh (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 plc (AON) in Insurance or Marsh (MRSH) in Insurance under our convention.

AON

Insurance industry group

33.78%

Max
41.20%
Q3
23.69%
Median
16.33%
Q1
9.39%
Min
-1.22%

MRSH

Insurance industry group

21.70%

Max
41.20%
Q3
23.69%
Median
16.33%
Q1
9.39%
Min
-1.22%
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Operating Profit Margin (TTM) against the Insurance industry group benchmark.

Profitability at a Glance

SymbolAONMRSH
Return on Equity (TTM)45.09%25.91%
Return on Assets (TTM)7.59%6.69%
Net Profit Margin (TTM)22.54%14.26%
Operating Profit Margin (TTM)33.78%21.70%
Gross Profit Margin (TTM)47.79%--

Financial Strength

Current Ratio (MRQ)

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

AON

Insurance industry group

1.07

Max
2.64
Q3
1.18
Median
0.64
Q1
0.17
Min
0.00

MRSH

Insurance industry group

1.11

Max
2.64
Q3
1.18
Median
0.64
Q1
0.17
Min
0.00
Aon plc (AON) vs. Marsh (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 plc (AON) in Insurance or Marsh (MRSH) in Insurance under our convention.

AON

Insurance industry group

1.49

Max
0.79
Q3
0.47
Median
0.29
Q1
0.23
Min
0.00

MRSH

Insurance industry group

1.41

Max
0.79
Q3
0.47
Median
0.29
Q1
0.23
Min
0.00
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Debt-to-Equity Ratio (MRQ) against the Insurance industry group benchmark.

Interest Coverage Ratio (TTM)

Interest Coverage Ratio (TTM) isn’t a meaningful figure for either Aon plc (AON) in Insurance or Marsh (MRSH) in Insurance under our convention.

AON

Insurance industry group

6.90

Max
32.11
Q3
16.88
Median
8.05
Q1
5.01
Min
-2.55

MRSH

Insurance industry group

7.31

Max
32.11
Q3
16.88
Median
8.05
Q1
5.01
Min
-2.55
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Interest Coverage Ratio (TTM) against the Insurance industry group benchmark.

Financial Strength at a Glance

SymbolAONMRSH
Current Ratio (MRQ)1.071.11
Quick Ratio (MRQ)1.061.11
Debt-to-Equity Ratio (MRQ)1.491.41
Interest Coverage Ratio (TTM)6.907.31

Growth

Revenue Growth

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

Revenue Growth at a Glance

SymbolAONMRSH
Revenue Growth (MRQ vs Prior YoY)6.45%7.59%
Revenue Growth (TTM vs Prior YoY)6.90%9.87%
3-Year Revenue CAGR11.25%9.20%
5-Year Revenue CAGR9.20%9.39%

EPS Growth

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

EPS Growth at a Glance

SymbolAONMRSH
EPS Growth (MRQ vs Prior YoY)27.05%-15.48%
EPS Growth (TTM vs Prior YoY)55.27%-2.01%
3-Year EPS CAGR11.91%11.72%
5-Year EPS CAGR15.04%16.42%

Dividend

Dividend Yield (TTM)

Both Aon plc (AON) at 0.92% and Marsh (MRSH) at 2.15% 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

0.92%

Max
6.87%
Q3
3.15%
Median
1.71%
Q1
0.23%
Min
0.00%

MRSH

Insurance industry group

2.15%

Max
6.87%
Q3
3.15%
Median
1.71%
Q1
0.23%
Min
0.00%
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Dividend Yield (TTM) against the Insurance industry group benchmark.

Dividend Payout Ratio (TTM)

Aon plc (AON) at 16.34% maintains Dividend Payout Ratio (TTM) around its industry median — a balanced dividend policy. Marsh (MRSH) at 44.18% sits outside the typical mid-range, leaning toward more retention or more distribution than the industry median.

AON

Insurance industry group

16.34%

Max
89.03%
Q3
40.06%
Median
16.75%
Q1
3.17%
Min
0.00%

MRSH

Insurance industry group

44.18%

Max
89.03%
Q3
40.06%
Median
16.75%
Q1
3.17%
Min
0.00%
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Dividend Payout Ratio (TTM) against the Insurance industry group benchmark.

Dividend at a Glance

SymbolAONMRSH
Dividend Yield (TTM)0.92%2.15%
Dividend Payout Ratio (TTM)16.34%44.18%

Valuation

Price-to-Earnings Ratio (TTM)

Both Aon plc (AON) at 17.71 and Marsh (MRSH) at 20.55 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

17.71

Max
21.77
Q3
16.82
Median
12.89
Q1
9.44
Min
3.82

MRSH

Insurance industry group

20.55

Max
21.77
Q3
16.82
Median
12.89
Q1
9.44
Min
3.82
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Price-to-Earnings Ratio (TTM) against the Insurance industry group benchmark.

Price-to-Sales Ratio (TTM)

Both Aon plc (AON) at 3.99 and Marsh (MRSH) at 2.93 trade in the higher-multiple quartile for Price-to-Sales Ratio (TTM) among industry peers, indicating higher trailing revenue multiples than typical peers.

AON

Insurance industry group

3.99

Max
4.91
Q3
2.59
Median
1.32
Q1
0.90
Min
0.34

MRSH

Insurance industry group

2.93

Max
4.91
Q3
2.59
Median
1.32
Q1
0.90
Min
0.34
Aon plc (AON) vs. Marsh (MRSH): A comparison of their Price-to-Sales Ratio (TTM) against the Insurance industry group benchmark.

Price-to-Book Ratio (MRQ)

Both Aon plc (AON) at 7.03 and Marsh (MRSH) at 5.74 sit above their industries’ benchmark ranges for Price-to-Book Ratio (MRQ), pointing to unusually high book-value multiples relative to peers.

AON

Insurance industry group

7.03

Max
3.62
Q3
2.11
Median
1.67
Q1
1.06
Min
0.36

MRSH

Insurance industry group

5.74

Max
3.62
Q3
2.11
Median
1.67
Q1
1.06
Min
0.36
Aon plc (AON) vs. Marsh (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)17.7120.55
Price-to-Sales Ratio (TTM)3.992.93
Price-to-Book Ratio (MRQ)7.035.74
Price-to-Free Cash Flow Ratio (TTM)19.9614.21