Aon logo aon.com

Aon competitors and similar companies

50,431 employees on LinkedIn, up 2% in 12 months. 10 similar companies, with why each one matches.

About Aon

Through our global expertise across two key areas of need ― Risk Capital and Human Capital ― our clients are better advised within, and across, their risk and people strategies.

Headquarters
Chicago, United States
Employees on LinkedIn
50,431
Headcount, last 12 months
+2%
Industry
Consulting
Founded
1994
Open jobs
1,414

Data last updated October 3, 2026

How Aon sells and hires

Hiring

  • Moderate hiring pace
  • Leadership roles open in customer success, engineering, finance, HR, marketing and sales
  • 6+ open roles each in finance, customer relations, engineering, HR, legal, marketing, product and sales
  • 2-5 open roles each in design and quality control

Companies similar to Aon

Found by Ocean's lookalike search, with what each company has in common with Aon.

  1. Guy Carpenter logo

    Guy Carpenter

    guycarp.com

    We deliver unmatched insight into the global (re)insurance market to create bespoke solutions that help you achieve your capital, growth and volatility objectives.

    United States · 4,939 employees on LinkedIn

    • Both in Risk Management
    • Same size: 1,001-5,000 employees
    • Both based in United States
  2. Aon South Africa logo

    Aon South Africa

    aon.co.za

    Aon plc (NYSE:AON) is a leading global professional services firm providing a broad range of risk, reinsurance, retirement and health solutions. Our 50000 colleagues in 120 countries empower results for clients by using proprietary data and analytics to deliver insights that reduce volatility and improve performance

    South Africa · 118 employees on LinkedIn

    • Both in Risk Management
  3. The Baldwin Group logo

    The Baldwin Group

    baldwin.com

    The Baldwin Group is a cohesive group of experts in business insurance, employee benefits, retirement planning, and all areas of private and personal insurance. Since our founding in 2011, we’ve evolved from a local business into a national firm with a vast network of specializations and industry practices for the benefit of our more than three million clients across the country and worldwide. In addition, we have built excellent relationships with a wide range of insurance company partners. These relationships, coupled with our entrepreneurial and family-oriented culture, and deep expertise enable us to seamlessly deliver a breadth of innovative solutions to clients. At The Baldwin Group, we help provide the solutions our clients need to have confidence and gain peace of mind as they pursue what’s possible for themselves, their families, and their businesses. Whether they are renting their first apartment or buying a larger home, opening a small business or taking their company public, we offer solutions to support them on every step of their journey. This has been our story since the beginning—we provide the indispensable expertise and quality insights that give our clients peace of mind to pursue their purpose, passion, and dreams. And that’s what The Baldwin Group will continue to do for years to come: we protect the possible.

    United States · 3,499 employees on LinkedIn

    • Both in Risk Management
    • Both hiring an engineering leader
    • Same size: 1,001-5,000 employees
    • Both based in United States
    • Both use New Relic
  4. HUB International logo

    HUB International

    hubinternational.com

    HUB International is a leading North American insurance brokerage that provides employee benefits, business, and personal insurance products and services.

    United States · 16,195 employees on LinkedIn

    • Both in Risk Management
    • Both hiring a customer success leader
    • Both based in United States
  5. AIG logo

    AIG

    aig.com

    American International Group, Inc, (AIG), is a global insurance organization providing a range of insurance and other financial services. Get to know us better.

    United States · 27,669 employees on LinkedIn

    • Both hiring an engineering leader
    • Both based in United States
  6. Gallagher logo

    Gallagher

    ajg.com

    Find and share your fav study strategies!

    United States · 52,371 employees on LinkedIn

    • Both in Risk Management
    • Both hiring a customer success leader
    • Both based in United States
  7. WTW logo

    WTW

    wtwco.com

    At WTW we provide data-driven, insight-led solutions in the areas of people, risk and capital.

    United Kingdom · 55,737 employees on LinkedIn

    • Both in Risk Management
    • Both hiring a customer success leader
  8. Beazley logo

    Beazley

    beazley.com

    Beazley PLC is a specialty insurer providing services to customers in the United Kingdom (its key market), the U.S., and Europe. It operates through the following segments: Cyber Risks, which underwrites cyber and technology risks; Digital, which underwrites a variety of marine, contingency, and SME liability risks through digital channels such as e-trading platforms and broker portals; MAP Risks, which underwrites marine, portfolio underwriting, and political and contingency business; Property Risk, which underwrites first party property risks and reinsurance business; and the Specialty Risks segment, which underwrites a wide range of liability classes, including employment practices risks and directors and officers, as well as healthcare, lawyers and international financial institutions.

    United Kingdom · 2,744 employees on LinkedIn

    • Both in Risk Management
    • Both hiring a finance leader
    • Same size: 1,001-5,000 employees
  9. EYSSAUTIER-VERLINGUE logo

    EYSSAUTIER-VERLINGUE

    verlingue.fr

    Assurez vos activités dans la logistique, le maritime et les transports avec Eyssautier-Verlingue, l’équipe spécialisée de Verlingue.

    France · 54 employees on LinkedIn

    • Both in Risk Management
  10. Control Risks logo

    Control Risks

    controlrisks.com

    Control Risks is the specialist global risk consultancy that helps organisations succeed in a volatile world. Find out more.

    United Kingdom · 3,215 employees on LinkedIn

    • Both in Risk Management
    • Both hiring an engineering leader
    • Same size: 1,001-5,000 employees

Technologies Aon uses

  • HSTS
  • ZURB Foundation
  • Cloudflare
  • Webpack
  • Max Mega Menu
  • Prototype
  • OneTrust
  • Onsen UI
  • New Relic
  • Econda
  • SiteLock

Questions about Aon

How many employees does Aon have?
Aon has 50,431 employees on LinkedIn, up 2% over the last 12 months.
Where is Aon headquartered?
Aon is headquartered in Chicago, United States.
Who are Aon's competitors?
Companies similar to Aon include Guy Carpenter, Aon South Africa, The Baldwin Group, HUB International and AIG.
What technologies does Aon use?
Aon's website uses HSTS, ZURB Foundation, Cloudflare, Webpack and Max Mega Menu and 6 more.
When was Aon founded?
Aon was founded in 1994.

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