Marsh & McLennan Companies competitorsClear all

Aon's top competitors include Lockton and Gallagher.
Discover new suppliers and conduct deeper comparison analysis with Craft for EnterpriseLearn more
Banner background
Aon
Aon
Aon is a professional services company providing a range of risk, retirement, and health solutions.
Lockton
Lockton
Lockton Companies is an insurance brokerage firm, providing insurance, risk management and employee benefits solutions.
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
1966
Founding Date
1927
Type
Type
Public
Type
Private
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
Kansas City, US HQ
Dar El Beïda, DZ
Luanda, AO
Buenos Aires, AR
Yerevan, AM
Sydney, AU
Wien, AT
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
6,8592% increase
Employees
33,30010% increase
Valuation ($)
Valuation ($)
65.5 b
Valuation ($)
N/A
Valuation ($)
33.7 b
Twitter followers
Twitter followers
39.3 k
Twitter followers
9.4 k
Twitter followers
7.5 k
Number of tweets (last 30 days)
Number of tweets (last 30 days)
14
Number of tweets (last 30 days)
9
Number of tweets (last 30 days)
48
Average likes per tweet (last 30 days)
Average likes per tweet (last 30 days)
17.7
Average likes per tweet (last 30 days)
4
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)
100%
Percentage of tweets with engagement (last 30 days)
68.75%
Alexa Website Rank
Alexa Website Rank
42186
Alexa Website Rank
171654
Alexa Website Rank
71038
Employee Rating
Employee Rating
3.9
Employee Rating
4.1
Employee Rating
3.6

Financial

Revenue (est.)
Revenue (est.)
$11.1b (FY, 2020)
Revenue (est.)
$1.3b (Y, 2016)
Revenue (est.)
$7b (FY, 2020)
Net income
Net income
$2b (FY, 2020)
Net income
N/A
Net income
$858.1m (FY, 2020)

Operating

Countries
Countries
120 (Q3, 2021)
Countries
125 (Y, 2016)
Countries
N/A
For sources of this data, please see the company profile

View company profiles

Lockton
HQ
Kansas City, US
Employees
6,859↑ 2% increase

Lockton Companies is an insurance brokerage firm, providing insurance, risk management and employee benefits solutions.

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