Company Description
Aon plc operates as a professional services firm in the United States, rest of the Americas, the United Kingdom, Ireland, rest of Europe, the Middle East, Africa, and the Asia Pacific.
It operates through Risk Capital and Human Capital segments. The company offers commercial risk solutions comprising retail and insurance brokerage, specialty solutions, global risk consulting, captives management, and affinity programs; health solutions, such as consulting and brokerage, consumer benefits, and talent advisory services; and wealth solutions, including retirement consulting and investments.
It also provides treaty and facultative reinsurance; strategy and technology group solutions; insurance-linked securities, capital raising, strategic advice, restructuring, and merger and acquisition services; and risk management products and solutions, capital market solutions, and corporate finance advisory services.
In addition, the company offers strategic design advice and actuarial services; pension risk transfer and integrated pension administration; and investment advisory services on developing and maintaining investment programs across various plan types, including defined benefit plans, defined contribution plans, master trusts, and pooled employer plans for corporations, public pensions, endowments, and foundations.
Aon plc was incorporated in 1979 and is headquartered in Dublin, Ireland.
| Country | Ireland |
| Founded | 1919 |
| Industry | Insurance Brokers |
| Sector | Financials |
| Employees | 60,000 |
| CEO | Gregory Case |
Contact Details
Address: 15 George's Quay, Dublin 2 Dublin, D02 VR98 Ireland | |
| Phone | 353 1 266 6000 |
| Website | aon.com |
Stock Details
| Ticker Symbol | AON |
| Exchange | NYSE |
| Share Class | Class A Shares |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0000315293 |
| CUSIP Number | G0403H108 |
| ISIN Number | IE00BLP1HW54 |
| Employer ID | 98-1539969 |
| SIC Code | 6411 |
Key Executives
| Name | Position |
|---|---|
| Gregory Clarence Case | President, Chief Executive Officer and Executive Director |
| Edmund J. Reese | Executive Vice President and Chief Financial Officer |
| Mindy Simon | Global Chief Operating Officer |
| Lisa J. Stevens | Chief Administrative Officer |
| David J. DeBrunner | Senior Vice President, Global Controller and Chief Accounting Officer |
| Hallie Elsner Miller | Head of Investor Relations |
| Darren Zeidel | Executive Vice President, General Counsel and Company Secretary |
| Michael Neller | Deputy Global Chief People Officer and Head of Total Rewards and Talent Development |
| Karen Kissam | Senior Vice President - H&B Local Practice Leader |
| Brian Slife | Senior Vice President and Resident Managing Director of Aon Risk Solutions - Cleveland & Columbus |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Feb 17, 2026 | 25-NSE | Filing |
| Feb 17, 2026 | 144 | Filing |
| Feb 13, 2026 | 10-K | Annual Report |
| Jan 30, 2026 | 8-K | Current Report |
| Jan 7, 2026 | 8-K | Current Report |
| Jan 2, 2026 | 8-K | Current Report |
| Dec 15, 2025 | 25-NSE | Filing |
| Nov 25, 2025 | 144 | Filing |
| Nov 5, 2025 | 144 | Filing |
| Oct 31, 2025 | 10-Q | Quarterly Report |