Aon Competitors or Alternatives

Aon's top competitors include Marsh McLennan, Gallagher and Mercer.

RANK

COMPANY

CEO

CEO RATING

EMPLOYEES

FUNDING

REVENUE

Aon's company profile

Gregory C. Case

CEO

75/100
60,000
$2.5B
$15.7B
1
Aon's Competitor - Marsh McLennan logo

John Q Doyle

President & CEO

68/100
85,000
$19.6B
$23.9B
2
Aon's Competitor - Gallagher logo

J. Patrick Gallagher

Chairman & CEO

94/100
44,000
$12.3B
$11.2B
3
Aon's Competitor - Mercer logo

Pat Tomlinson

President & CEO

82/100
10,000 - 50,000
$10B
$5B - 10B
4
Aon's Competitor - Lockton logo

Ron Lockton

CEO

100/100
10,000 - 50,000
- -
$1B - 5B
5
Aon's Competitor - New York Life logo

Craig L DeSanto

CEO

56/100
10,000 - 50,000
$3.3B
$50B - 100B

Aon VS Marsh McLennan

Marsh McLennan is Aon's #1 competitor. Marsh McLennan's headquarters is in New York, New York, and was founded in 1871. Like Aon, Marsh McLennan also works within the Professional Services sector. Marsh McLennan generates 151% of Aon's revenue.

Aon VS Gallagher

Gallagher is one of Aon's top rivals. Gallagher was founded in Rolling Meadows, Illinois} in 1927. Gallagher operates in the Insurance Brokers industry. Compared to Aon, Gallagher generates $4.5B less revenue.

Aon VS Mercer

Mercer is one of Aon's top competitors. Mercer is a Private company that was founded in 1945 in New York, New York. Mercer is in the Payroll & Benefit Support Services industry. Compared to Aon, Mercer has 40,000 fewer employees.

Frequently Asked Questions about Aon

  1. Who are Aon's top competitors?

    Aon's top 3 competitors are Marsh McLennan, Gallagher, Mercer.
  2. Who is similar to Aon?

    Marsh McLennan is the most similar to Aon. Gallagher and Mercer are also similar to Aon.
  1. Are Aon and Marsh McLennan competitors?

    Yes, Marsh McLennan is one of Aon’s top competitors.