Aon Hewitt

What Aon Hewitt does

Aon Hewitt operates as a DBA of Aon plc (NYSE: AON), a global professional services firm domiciled in Ireland and headquartered in London, with material operations centered in Chicago. Aon organizes its business around two integrated platforms—Risk Capital and Human Capital—operated through three reporting segments: Commercial Risk Solutions, Reinsurance Solutions, and Health Solutions. Risk Capital services include broking and risk transfer, claims management, reinsurance, risk analytics, risk management, and risk retention. Human Capital services include health and benefits, human capital analytics, investments, pensions and retirement, talent and rewards, and workplace wellbeing. The firm serves enterprise clients across 14+ industry verticals in 120+ countries, with documented operational presence in the United States, United Kingdom, Singapore, and the Philippines, and the company employs 10,000+ people.

The firm's technology stack centers on AI-enhanced analytics platforms layered over its proprietary client data, including the Human Sustainability Index, the Wellbeing and Business Performance Dashboard, and the Profitable Growth Tool (a benchmarking service for insurers). These analytics products, combined with flagship research publications (Human Capital Trends Study, Global Risk Management Survey, Client Trends Report, Climate and Catastrophe Insight, Global Wellbeing Survey), form a content-and-platform moat that supports its advisory engagements. Go-to-market is enterprise field sales targeting large organizations with complex risk and human capital needs, with services delivered through direct client relationships and a global advisor network. Pricing is quote-based and varies by engagement scope, client size, and complexity. Aon reports a Q3 2025 revenue of $4.0 billion with 7% organic growth, net income up 34%, ROE above 45%, and net margins above 20%, reflecting the operating leverage of its professional services model.

Name

Aon Hewitt

Legal name

Aon plc

Website

https://aon.com

Company type

Public

Founded year

1940

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Aon plc (NYSE: AON), doing business as Aon Hewitt, is a global professional services firm providing risk capital, reinsurance, and human capital advisory across 120+ countries and 14+ industry verticals, serving large enterprise clients through three segments: Commercial Risk Solutions, Reinsurance Solutions, and Health Solutions.

Ownership category

akta.pro rank

Product category

Risk Management and Human Capital Consulting

NAICS

Insurance Agencies and Brokerages (524210), Portfolio Management and Investment Advice (523940)

SIC

Insurance Agents, Brokers & Service (6411)

akta.pro primary industry

Risk Management Consulting (Enterprise & Operational Risk) (FSAEADAG)

akta.pro secondary industries

Casualty Treaty Reinsurance (FSAOAEAD), Co-Employment Risk Management & Insurance (Workers’ Comp, Liability) (BPACAGAH)

Keywords

• Risk management consulting
• Human capital advisory
• Insurance brokerage services
• Reinsurance advisory
• Employee benefits consulting

Headquarters

HQ city

Chicago

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Commercial Risk Solutions: Provides risk transfer, broking, claims management, and risk management services to commercial clients globally
2. Reinsurance Solutions: Reinsurance brokerage and advisory services connecting reinsurers with insurance carriers
3. Health Solutions: Health and benefits consulting, human capital analytics, and wellbeing solutions

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Aon Hewitt, operating under Aon plc, is a global professional services firm that provides advisory, consulting, and brokerage services across two core segments: Risk Capital and Human Capital. Risk Capital offerings include insurance broking, risk transfer, claims management, reinsurance, and risk analytics. Human Capital offerings span health and benefits consulting, pensions and retirement advisory, talent and rewards, human capital analytics, investments, and workplace wellbeing programs. The firm serves enterprise clients in over 120 countries through direct client engagements and a global network of advisors.

Product overview

Aon is a global professional services firm operating a platform-plus-consulting-services model across Risk Capital and Human Capital segments, serving clients in over 120 countries. The Risk Capital segment includes Broking and Risk Transfer, Claims Management, Reinsurance, Risk Analytics, Risk Management, and Risk Retention. The Human Capital segment encompasses Health and Benefits, Human Capital Analytics, Investments, Pensions and Retirement, Talent and Rewards, and Workplace Wellbeing. Aon's proprietary research products—including the Human Capital Trends Study, Climate and Catastrophe Insight Report, Client Trends Report, Global Risk Management Survey, and Global Wellbeing Survey—provide thought leadership that differentiates its advisory services. Key analytics tools include the Human Sustainability Index, Wellbeing and Business Performance Dashboard, and Profitable Growth Tool for insurers. The company also publishes the Better Being Podcast and hosts regional Aon Insight Series events across Asia Pacific, Pacific, and UK markets.

Differentiator

Problem solved

Functional benefit

Products and services

• Broking and Risk Transfer Risk transfer solutions and brokerage services for businesses and communities facing interconnected risks.
• Claims Management Claims handling and management services delivered across risk capital solutions.
• Reinsurance Reinsurance brokerage and advisory services connecting reinsurers with insurance carriers.
• Risk Analytics Analytical insights and data services for risk assessment and decision-making.
• Risk Management Comprehensive risk management advisory services for enterprise clients.
• Risk Retention Self-insurance and risk retention strategy solutions.
• Health and Benefits Health benefits advisory and administration services for employers.
• Human Capital Analytics Analytics capabilities that help organizations make better workforce decisions including talent assessments, predictive analytics, and benchmarking.
• Investments Investment advisory services within human capital solutions.
• Pensions and Retirement Pension and retirement planning advisory services.
• Talent and Rewards Talent strategy and total rewards advisory consulting.
• Workplace Wellbeing Employee wellbeing and workplace health programs.
• Human Sustainability Index A tool for measuring and improving organizational wellbeing and human sustainability across five key areas of organizational resilience.
• Wellbeing and Business Performance Dashboard Dashboard tracking progress across key wellbeing metrics using predictive analytics to show how metrics affect costs and performance at organizational and individual levels.
• Profitable Growth Tool Benchmarking and advisory service evaluating insurers across seven performance categories with customized recommendations to enhance market position and profitability.

Quantifiable outcome

• 73% of organizations have deployed or are piloting AI programs, creating demand for Aon's human capital consulting
• +1 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability4 records

Feature4 records

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Lockton Companies: Largest privately held insurance brokerage in the world, competing with Aon in commercial risk, employee benefits, and reinsurance. Comparable client mix and service-line breadth, though privately held.
• Mercer: Health, wealth, and career consulting business within Marsh McLennan. Direct competitor to Aon Hewitt in health and benefits, pensions, talent, and human capital advisory.
• Oliver Wyman: Management consulting arm of Marsh McLennan focused on financial services, risk, and operations strategy. Competes with Aon's Risk Analytics and broader risk advisory engagements.
• Brown & Brown, Inc. U.S.-focused insurance brokerage and risk management firm with growing national footprint. Overlaps with Aon's commercial risk and employee benefits brokerage, particularly for mid-market accounts.
• Arthur J. Gallagher & Co. Global insurance brokerage and risk management services firm with growing consulting capabilities. Competes directly with Aon's Commercial Risk Solutions segment for commercial insurance placements and brokerage commissions.
• Willis Towers Watson (WTW): Direct competitor in insurance and reinsurance brokerage, risk management consulting, and human capital/actuarial advisory. Competes with Aon for the same enterprise clients across Risk Capital and Human Capital segments.
• Marsh & McLennan Companies: Global professional services firm operating Marsh (insurance broking), Guy Carpenter (reinsurance), Mercer (health, wealth, careers), and Oliver Wyman (consulting). Aon's most direct large-cap competitor across both Risk Capital and Human Capital.

Emerging players

• Korn Ferry: Global organizational consulting firm specializing in talent acquisition, leadership development, and total rewards. Comparable to Aon's Talent and Rewards and broader Human Capital advisory offerings.
• CBIZ, Inc. U.S. provider of financial and benefits advisory services including health and benefits brokerage, pension administration, and HR consulting. Overlaps with Aon Hewitt's mid-market benefits and human capital offerings.
• Sedgwick: Claims management and loss adjusting provider that overlaps with Aon's Claims Management capability. Less direct overlap in human capital and reinsurance but increasingly expanding into adjacent risk services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/aonhewitt
• LinkedInlinkedin.com/company/aon

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A5 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Aon Hewitt