Compare Aon vs Marsh McLennan BETA

See how working at Aon vs. Marsh McLennan compares on a variety of workplace factors. By comparing employers on employee ratings, salaries, reviews, pros/cons, job openings and more, you'll feel one step ahead of the rest. All salaries and reviews are posted by employees working at Aon vs. Marsh McLennan. Learn more about each company and apply to jobs near you.
Aon company icon

Aon

Marsh McLennan company icon

Marsh McLennan

Employee Ratings

  • Aon scored higher in 2 areas: Career Opportunities and CEO Approval.
  • Marsh McLennan scored higher in 6 areas: Overall Rating, Compensation & Benefits, Senior Management, Culture & Values, % Recommend to a friend and Positive Business Outlook.
  • Both tied in 1 area: Work-life balance.
Overall Rating
(full-time and part-time employees only)
Overall Rating
(full-time and part-time employees only)
3.9
(based on 5550 reviews)
Overall Rating
(full-time and part-time employees only)
4.0
(based on 2191 reviews)
Career Opportunities
Career Opportunities
3.7
Career Opportunities
3.6
Compensation & Benefits
Compensation & Benefits
3.5
Compensation & Benefits
3.6
Work-life balance
Work-life balance
3.7
Work-life balance
3.7
Senior Management
Senior Management
3.6
Senior Management
3.7
Culture & Values
Culture & Values
3.9
Culture & Values
4.0
CEO Approval
CEO Approval
Aon Ceo Greg Case
86%
86%Greg Case
CEO Approval
Marsh McLennan Ceo Daniel S. Glaser
85%
85%Daniel S. Glaser
% Recommend to a friend
% Recommend to a friend
79%
% Recommend to a friend
80%
Positive Business Outlook
Positive Business Outlook
75%
Positive Business Outlook
76%

Salaries

Aon has 1,123 more total submitted salaries than Marsh McLennan.
Salaries for similar jobs
Salaries for similar jobs
Account Specialist144 Salaries
$63,881/yr
Vice President93 Salaries
$180,570/yr
Consultant105 Salaries
$103,228/yr
Salaries for similar jobs
Account Manager109 Salaries
$62,155/yr
Vice President95 Salaries
$132,015/yr
Associate22 Salaries
$107,322/yr

What Employees Say

  • Aon had 228 more reviews than Marsh McLennan that mentioned "Work environment" as a Pro.
  • Aon had 138 more reviews than Marsh McLennan that mentioned "Work life balance" as a Con.
  • Aon had 54 more reviews than Marsh McLennan that mentioned "Long hours" as a Con.
Pros
Pros
"Work environment"(in 293 reviews)
"Good benefits"(in 160 reviews)
Pros
"Work life balance"(in 130 reviews)
"Work environment"(in 65 reviews)
Cons
Cons
"Work life balance"(in 199 reviews)
"Long hours"(in 89 reviews)
Cons
"Work life balance"(in 61 reviews)
"Long hours"(in 35 reviews)
Featured Review
"Great Company"Aug 5, 2022

Current Employee - Account Specialist

I have been working at Aon full-time for more than 3 years

Pros

Great company to work for and excellent work/life balance

Cons

Perhaps slightly underpaid but no significant cons

Current Employee - Client Service Executive

I have been working at Marsh McLennan full-time for more than 5 years

Pros

Fast paced for insurance. Flexible work environment. Company is conservatively ran (no worries about layoffs or your paycheck). You can drive your career with the right initiative.

Cons

Growth comes with growing pains.

Advice to Management

Tough to say (especially in a public forum).

Job Postings

Aon has 1,443 more recently posted open jobs than Marsh McLennan.
Recent Jobs
Recent Jobs
Aon company logo2,456 Jobs
View All Jobs
30+ days ago
30+ days ago
1 day ago
Today
Recent Jobs
Marsh McLennan company logo1,013 Jobs
View All Jobs
27 days ago
30+ days ago
HR CoordinatorWhite Plains, NY
30+ days ago
Producer BISan Francisco, CA
6 days ago