Marsh & McLennan Companies competitorsClear all

Aon's top competitors include Gallagher, Wells Fargo and AIG.
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Aon
Aon
Aon is a professional services company providing a range of risk, retirement, and health solutions.
Gallagher
Gallagher
Gallagher is an insurance brokerage, risk management, and consulting firm that serves communities around the globe.
Wells Fargo
Wells Fargo
Wells Fargo is a banking and financial services holding company.
AIG
AIG
American International Group (AIG) is an insurance company.
Founding Date
Founding Date
1987
Founding Date
1927
Founding Date
1852
Founding Date
1919
Type
Type
Public
Type
Public
Type
Public
Type
Public
Tags
Locations
Locations
London, GB HQ
Belas, AO
Buenos Aires, AR
Jug, AR
Mar Del Plata, AR
Neuquén, AR
Rosario, AR
see more
Locations
Rolling Meadows, US HQ
Saint John's, AG
Aitkenvale, AU
Alice Springs, AU
Beenleigh, AU
Birtinya, AU
Charlestown, AU
see more
Locations
San Francisco, US HQ
Buenos Aires, AR
Nassau, BS
Dhaka, BD
São Paulo, BR
Calgary, CA
Montréal, CA
see more
Locations
New York, US HQ
Oranjestad, AW
Brisbane, AU
Docklands, AU
Perth, AU
Sydney, AU
Wien, AT
see more
Employees
Employees
50,000
Employees
33,30010% increase
Employees
268,5313% increase
Employees
46,0007% decrease
Valuation ($)
Valuation ($)
65.3 b
Valuation ($)
31.3 b
Valuation ($)
193.1 b
Valuation ($)
45.9 b
Twitter followers
Twitter followers
39.1 k
Twitter followers
7.4 k
Twitter followers
326.3 k
Twitter followers
42.5 k
Number of tweets (last 30 days)
Number of tweets (last 30 days)
27
Number of tweets (last 30 days)
54
Number of tweets (last 30 days)
851
Number of tweets (last 30 days)
60
Average likes per tweet (last 30 days)
Average likes per tweet (last 30 days)
7.6
Average likes per tweet (last 30 days)
2.1
Average likes per tweet (last 30 days)
0.3
Average likes per tweet (last 30 days)
2.9
Percentage of tweets with engagement (last 30 days)
Percentage of tweets with engagement (last 30 days)
100%
Percentage of tweets with engagement (last 30 days)
72.22%
Percentage of tweets with engagement (last 30 days)
12.46%
Percentage of tweets with engagement (last 30 days)
38.33%
Alexa Website Rank
Alexa Website Rank
38951
Alexa Website Rank
107327
Alexa Website Rank
154
Alexa Website Rank
56319
Employee Rating
Employee Rating
3.8
Employee Rating
3.5
Employee Rating
3.6
Employee Rating
3.6

Financial

Revenue (est.)
Revenue (est.)
$11.1b (FY, 2020)
Revenue (est.)
$7b (FY, 2020)
Revenue (est.)
$80.3b (FY, 2020)
Revenue (est.)
$43.7b (FY, 2020)
Cost of goods
Cost of goods
N/A
Cost of goods
$882.1m (FY, 2020)
Cost of goods
$8b (FY, 2020)
Cost of goods
$24.8b (FY, 2020)
Gross profit
Gross profit
N/A
Gross profit
$6.1b (FY, 2020)
Gross profit
$72.3b (FY, 2020)
Gross profit
$18.9b (FY, 2020)
Net income
Net income
$2b (FY, 2020)
Net income
$858.1m (FY, 2020)
Net income
$3.3b (FY, 2020)
Net income
($5.8b) (FY, 2020)
For sources of this data, please see the company profile

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Gallagher
HQ
Rolling Meadows, US
Employees
33,300↑ 10% increase

Gallagher is an insurance brokerage, risk management, and consulting firm that serves communities around the globe.

View company
Wells Fargo
HQ
San Francisco, US
Employees
268,531↑ 3% increase

Wells Fargo is a banking and financial services holding company.

View company
AIG
HQ
New York, US
Employees
46,000↓ 7% decrease

American International Group (AIG) is an insurance company.

View company