Willis Towers Watson competitorsClear all

Aon's top competitors include Robert Half, Cognizant, Accenture and Gallagher.
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Aon
Aon
Aon is a professional services company providing a range of risk, retirement, and health solutions.
Robert Half
Robert Half
Robert Half is a company that offers a spectrum of specialized staffing and consulting solutions.
Cognizant
Cognizant
Cognizant is a provider of information technology, consulting, and business process outsourcing services.
Accenture
Accenture
Accenture (formerly known as Andersen Consulting) is a provider of strategy, consulting, interactive, technology, and operations services with digital capabilities.
Gallagher
Gallagher
Gallagher is an insurance brokerage, risk management, and consulting firm that serves communities around the globe.
Founding Date
Founding Date
1987
Founding Date
1948
Founding Date
1994
Founding Date
1989
Founding Date
1927
Type
Type
Public
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
Menlo Park, US HQ
Akron, US
Albany, US
Albuquerque, US
Alexandria, US
Alpharetta, US
Ann Arbor, US
see more
Locations
Teaneck, US HQ
Buenos Aires, AR
Buenos Aires, AR
San Miguel De Tucumán, AR
Melbourne, AU
Sydney, AU
Brussel, BE
see more
Locations
Dublin, IE HQ
Buenos Aires, AR
Buenos Aires, AR
La Plata, AR
Munro, AR
Rosario, AR
Barangaroo, AU
see more
Locations
Rolling Meadows, US HQ
Saint John's, AG
Aitkenvale, AU
Alice Springs, AU
Beenleigh, AU
Birtinya, AU
Charlestown, AU
see more
Employees
Employees
50,000
Employees
13,00019% decrease
Employees
289,5001% decrease
Employees
624,00022% increase
Employees
33,30010% increase
Valuation ($)
Valuation ($)
65.9 b
Valuation ($)
12 b
Valuation ($)
42.6 b
Valuation ($)
240.5 b
Valuation ($)
33.7 b
Twitter followers
Twitter followers
39.3 k
Twitter followers
24 k
Twitter followers
750.2 k
Twitter followers
527.5 k
Twitter followers
7.5 k
Number of tweets (last 30 days)
Number of tweets (last 30 days)
22
Number of tweets (last 30 days)
18
Number of tweets (last 30 days)
112
Number of tweets (last 30 days)
97
Number of tweets (last 30 days)
48
Average likes per tweet (last 30 days)
Average likes per tweet (last 30 days)
11.6
Average likes per tweet (last 30 days)
1.2
Average likes per tweet (last 30 days)
13
Average likes per tweet (last 30 days)
17.1
Average likes per tweet (last 30 days)
1.5
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)
94.44%
Percentage of tweets with engagement (last 30 days)
100%
Percentage of tweets with engagement (last 30 days)
100%
Percentage of tweets with engagement (last 30 days)
68.75%
Alexa Website Rank
Alexa Website Rank
38737
Alexa Website Rank
11272
Alexa Website Rank
5915
Alexa Website Rank
1742
Alexa Website Rank
71038
Employee Rating
Employee Rating
3.8
Employee Rating
3.8
Employee Rating
3.8
Employee Rating
4.1
Employee Rating
3.6

Financial

Revenue (est.)
Revenue (est.)
$11.1b (FY, 2020)
Revenue (est.)
$5.1b (FY, 2020)
Revenue (est.)
$16.7b (FY, 2020)
Revenue (est.)
$50.5b (FY, 2021)
Revenue (est.)
$7b (FY, 2020)
Cost of goods
Cost of goods
N/A
Cost of goods
$3.1b (FY, 2020)
Cost of goods
$10.7b (FY, 2020)
Cost of goods
$34.2b (FY, 2021)
Cost of goods
$882.1m (FY, 2020)
Gross profit
Gross profit
N/A
Gross profit
$2b (FY, 2020)
Gross profit
$6b (FY, 2020)
Gross profit
$16.4b (FY, 2021)
Gross profit
$6.1b (FY, 2020)
Net income
Net income
$2b (FY, 2020)
Net income
$306.3m (FY, 2020)
Net income
$1.4b (FY, 2020)
Net income
$6b (FY, 2021)
Net income
$858.1m (FY, 2020)

Operating

Countries
Countries
120 (Q3, 2021)
Countries
18 (Q3, 2021)
Countries
35 (FY, 2020)
Countries
N/A
Countries
N/A
Patents and Patent Applications
Patents and Patent Applications
N/A
Patents and Patent Applications
N/A
Patents and Patent Applications
115 (FY, 2015)
Patents and Patent Applications
8.2 k (FY, 2021)
Patents and Patent Applications
N/A
Trademarks
Trademarks
N/A
Trademarks
73 (Jun, 2021)
Trademarks
596 (FY, 2015)
Trademarks
N/A
Trademarks
N/A
For sources of this data, please see the company profile

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Robert Half
HQ
Menlo Park, US
Employees
13,000↓ 19% decrease

Robert Half is a company that offers a spectrum of specialized staffing and consulting solutions.

View company
Cognizant
HQ
Teaneck, US
Employees
289,500↓ 1% decrease

Cognizant is a provider of information technology, consulting, and business process outsourcing services.

View company
Accenture
HQ
Dublin, IE
Employees
624,000↑ 22% increase

Accenture (formerly known as Andersen Consulting) is a provider of strategy, consulting, interactive, technology, and operations services with digital capabilities.

View company
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