Aon Competitors and Similar CompaniesClear all

Aon's competitors and similar companies include Marsh McLennan, JLT Group Holdings, Gallagher and Willis Towers Watson.
Aon
Aon
Aon is a professional services company that specializes in risk, health, and wealth solutions.
Marsh McLennan
Marsh McLennan
Marsh & McLennan Companies is a professional services firm offering advice and solutions in the areas of risk, strategy, and people.
JLT Group Holdings
JLT Group Holdings
JLT Group Holdings (formerly known as Jardine Lloyd Thompson Group) is a multinational corporation providing insurance, reinsurance, and employee benefits-related advice services.
Gallagher
Gallagher
Gallagher is an insurance brokerage, risk management, and consulting firm.
Willis Towers Watson
Willis Towers Watson
Willis Towers Watson (WTW) is a company specializing in brokerage, insurance, risk management, people, and capital services.
Founding Date
Founding Date
1982
Founding Date
1871
Founding Date
1997
Founding Date
1927
Founding Date
1828
Type
Type
Public
Type
Public
Type
Subsidiary
Type
Public
Type
Public
Tags
Locations
Locations
London, GB HQ
Belas, AO
Buenos Aires, AR
Buenos Aires, AR
Córdoba, AR
Mar Del Plata, AR
Neuquén, AR
see more
Locations
New York, US HQ
Adelaide, AU
Barangaroo, AU
Brisbane City, AU
Cairns City, AU
Canberra, AU
Coniston, AU
see more
Locations
London, GB HQ
Lancing, GB
Locations
Rolling Meadows, US HQ
Saint John's, AG
Darwin City, AU
Dubbo, AU
East Melbourne, AU
Hobart, AU
Lake Macquarie, AU
see more
Locations
London, GB HQ
Bir Mourad Raïs, DZ
Buenos Aires, AR
Adelaide, AU
Brisbane City, AU
Perth, AU
Sydney, AU
see more
Employees
Employees
50,000
Employees
83,0009% increase
Employees
3,788
Employees
44,00013% increase
Employees
46,0001% decrease
Valuation ($)
Valuation ($)
65.3 b
Valuation ($)
97.3 b
Valuation ($)
N/A
Valuation ($)
53.5 b
Valuation ($)
25.4 b
Twitter followers
Twitter followers
39.5 k
Twitter followers
122
Twitter followers
2.2 k
Twitter followers
7.8 k
Twitter followers
7.4 k
Number of tweets (last 30 days)
Number of tweets (last 30 days)
43
Number of tweets (last 30 days)
N/A
Number of tweets (last 30 days)
N/A
Number of tweets (last 30 days)
17
Number of tweets (last 30 days)
29
Average likes per tweet (last 30 days)
Average likes per tweet (last 30 days)
2.3
Average likes per tweet (last 30 days)
N/A
Average likes per tweet (last 30 days)
N/A
Average likes per tweet (last 30 days)
7.4
Average likes per tweet (last 30 days)
1
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)
N/A
Percentage of tweets with engagement (last 30 days)
N/A
Percentage of tweets with engagement (last 30 days)
76.47%
Percentage of tweets with engagement (last 30 days)
82.76%
Employee Rating
Employee Rating
3.9
Employee Rating
4
Employee Rating
3.7
Employee Rating
3.8
Employee Rating
3.6

Financial

Revenue (est.)
Revenue (est.)
$12.5b (FY, 2022)
Revenue (est.)
$20.7b (FY, 2022)
Revenue (est.)
£1.5b (FY, 2018)
Revenue (est.)
$8.6b (FY, 2022)
Revenue (est.)
$8.9b (FY, 2022)
Cost of goods
Cost of goods
N/A
Cost of goods
N/A
Cost of goods
N/A
Cost of goods
$22.9m (FY, 2022)
Cost of goods
N/A
Gross profit
Gross profit
N/A
Gross profit
N/A
Gross profit
£1.5b (FY, 2018)
Gross profit
$8.5b (FY, 2022)
Gross profit
N/A
Net income
Net income
$2.6b (FY, 2022)
Net income
$3.1b (FY, 2022)
Net income
£54.3m (FY, 2018)
Net income
$1.1b (FY, 2022)
Net income
$1b (FY, 2022)

Operating

Countries
Countries
120 (FY, 2022)
Countries
130 (FY, 2021)
Countries
135 (FY, 2017)
Countries
N/A
Countries
140 (Q1, 2023)
For sources of this data, please see the company profile

View Company Profiles

Marsh McLennan
HQ
New York, US
Employees
83,000↑ 9% increase

Marsh & McLennan Companies is a professional services firm offering advice and solutions in the areas of risk, strategy, and people.

View company
JLT Group Holdings
HQ
London, GB

JLT Group Holdings (formerly known as Jardine Lloyd Thompson Group) is a multinational corporation providing insurance, reinsurance, and employee benefits-related advice services.

View company
Gallagher
HQ
Rolling Meadows, US
Employees
44,000↑ 13% increase

Gallagher is an insurance brokerage, risk management, and consulting firm.

View company
Willis Towers Watson
HQ
London, GB
Employees
46,000↓ 1% decrease

Willis Towers Watson (WTW) is a company specializing in brokerage, insurance, risk management, people, and capital services.

View company