Insights

Scale andReach Aon Hewitt operates with 10,001+ employees and serves over 20,000 clients globally, indicating significant opportunity for enterprise HR solutions, talent management, and retirement and health benefits offerings across large client organizations.

Comprehensive HR Solutions Positioned as a global leader in talent, retirement, and health solutions, there is potential for upsell across integrated HR services, including design and execution of end-to-end workforce programs and wellness initiatives.

FinancialOpportunity Reported revenue between 500 million and 1 billion signals substantial deal sizes with Fortune 1000–style accounts, suggesting readiness for scalable contracts, multi-year engagements, and premium service tiers.

IndustryPositioning As a prominent HR solutions provider with a broad global footprint and a large professional base, there is potential to partner with peers or compete for large benefits outsourcing, HR technology integration, and advisory services across diverse sectors.

Cross-Sell Potential Given capabilities in talent management, retirement risk navigation, and health solutions, cross-selling opportunities exist among existing clients for expanded benefits offerings, retirement plan optimization, and wellness program modernization.

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Aon Hewitt's Email Address Formats

Aon Hewitt uses at least 7 email formats:
Aon Hewitt Email FormatsExamplePercentage
First.Last@aon.comJohn.Doe@aon.com
89%
FLast@aon.comJDoe@aon.com
6%
First_Last@aon.comJohn_Doe@aon.com
4%
L.First@aon.comD.John@aon.com
1%
First.Last@aonhewitt.comJohn.Doe@aonhewitt.com
97%
FLast@aonhewitt.comJDoe@aonhewitt.com
2%
FirstLas@aonhewitt.comJohnDoe@aonhewitt.com
1%

Frequently Asked Questions

What is Aon Hewitt's phone number?

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You can contact Aon Hewitt's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Aon Hewitt's official website and social media links?

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Aon Hewitt's official website is aonhewitt.com and has social profiles on LinkedIn.

How much revenue does Aon Hewitt generate?

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As of July 2026, Aon Hewitt's annual revenue is estimated to be $500M - $1B.

What is Aon Hewitt's SIC code and NAICS code?

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Aon Hewitt's SIC code is 8999 - Services, Not Elsewhere Classified and NAICS code is 541612 - Human Resources Consulting Services.

How many employees does Aon Hewitt have currently?

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As of July 2026, Aon Hewitt has approximately 29K employees across 6 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: B. P., Chief Executive Officer: E. M. and Chief Executive Officer Aon Hewitt Emea: P. C. Explore Aon Hewitt's employee directory with LeadIQ.

What industry does Aon Hewitt belong to?

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Aon Hewitt operates in the Human Resources industry.

What is Aon Hewitt's email format?

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Aon Hewitt's email format typically follows the pattern of First.Last@aon.com. Find more Aon Hewitt email formats with LeadIQ.
Aon Hewitt logo

Aon Hewitt

Human ResourcesIllinois, United States10001+ Employees

Aon Hewitt is a human resources services company based in Lincolnshire, Illinois, United States. It provides advisory, design, and execution services for talent, retirement, and health solutions. The company reports more than 10,001 employees, and its description notes more than 30,000 professionals across six continents serving more than 20,000 clients worldwide. Its work centers on helping clients cultivate talent to improve organizational and personal performance and growth, navigate retirement risk, and address health-related needs. More information is available on its website at https://aonhewitt.com.

Section iconCompany Overview

Phone number
SIC Code
8999 - Services, Not Elsewhere Classified
NAICS Code
541612 - Human Resources Consulting Services
Employees
10001+

Section iconFunding & Financials

  • $500M - $1B

    Aon Hewitt's revenue is estimated to be in the range of $500M - $1B

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