Compare · AJG vs AON
AJG vs AON
Side-by-side comparison of Arthur J. Gallagher & Co. (AJG) and Aon plc (AON): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AJG and AON operate in Specialty Insurers (Finance), so they compete in similar markets.
- AON is the larger of the two at $78.43B, about 1.2x AJG ($65.23B).
- Over the past year, AJG is down 18.8% and AON is up 3.0% - AON leads by 21.9 points.
- AON has been more active in the news (22 items in the past 4 weeks vs 10 for AJG).
- Both have 25 recent analyst ratings on file.
Arthur J. Gallagher & Co.
Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance brokerage, consulting, and third party claims settlement and administration services in the United States, Australia, Bermuda, Canada, the Caribbean, New Zealand, India, and the United Kingdom. Its Brokerage segment consists of retail and wholesale insurance brokerage operations. It offers brokerage and consulting services to businesses and organizations, including commercial, not-for-profit, and public entities, as well as individuals in the areas of insurance placement, risk of loss management, and management of employer sponsored benefit programs. This segment also assist retail brokers and other non-affiliated brokers in the placement of specialized and hard-to-place insurance; acts as a brokerage wholesaler, and managing general agent or managing general underwriter distributing specialized insurance coverage's for underwriting enterprises; and performs activities, including marketing, underwriting, issuing policies, collecting premiums, appointing and supervising other agents, paying claims, and negotiating reinsurance. The company's Risk Management segment provides contract claim settlement and administration services for enterprises and public entities; and claims management, loss control consulting, and insurance property appraisal services. The company offers its services through a network of correspondent insurance brokers and consultants. It serves commercial, industrial, public entity, religious, and not-for-profit entities. Arthur J. Gallagher & Co. was founded in 1927 and is headquartered in Rolling Meadows, Illinois.
Aon plc
Aon plc, a professional services firm, provides advice and solutions to clients focused on risk, retirement, and health worldwide. It offers commercial risk solutions, including retail brokerage, cyber, and global risk consulting solutions, as well as acts as a captive insurance solutions provider; and health solutions, such as health and benefits brokerages, and health care exchanges. The company also provides treaty and facultative reinsurance, as well as insurance-linked securities, capital raising, strategic advice, restructuring, and mergers and acquisitions services; and corporate finance advisory services and capital markets solutions products. In addition, it offers strategic design consulting services on their retirement programs, actuarial services, and risk management services; advice services on developing and maintaining investment programs across a range of plan types, including defined benefit plans, defined contribution plans, endowments, and foundations for public and private companies, and other institutions; and advice and solutions that help clients in accelerating business outcomes by enhancing the performance of their people, including assessment and optimized deployment, as well as the design, alignment, and benchmarking of compensation to business strategy and performance outcomes. Further, the company develops, markets, and administers customized insurance programs and specialty market solutions for organizations, and their members or affiliates; operates the Global Risk Insight Platform, which provides data, analytics, engagement, and consulting services; offers CoverWallet, a digital insurance platform for small- and medium-sized businesses; and provides ReView that provides advisory, analysis, and benchmarking services to help reinsurers. Aon plc was founded in 1919 and is headquartered in Dublin, Ireland.
Latest AJG
- Arthur J. Gallagher upgraded by Piper Sandler with a new price target
- Arthur J. Gallagher & Co. Acquires Med James, Inc.
- Arthur J. Gallagher & Co. Announces Second Quarter 2026 Earnings Release And Conference Call Date
- Arthur J. Gallagher downgraded by Wolfe Research
- Arthur J. Gallagher & Co. Acquires Wilson M. Beck Insurance Services Inc.
- VICE PRESIDENT Jain Vishal exercised 2,163 shares at a strike of $229.57, increasing direct ownership by 3% to 68,903 units (SEC Form 4)
- President Gallagher Thomas Joseph exercised 352 shares at a strike of $229.57, increasing direct ownership by 0.11% to 323,743 units (SEC Form 4)
- Vice President Pesch Michael Robert exercised 356 shares at a strike of $229.57, increasing direct ownership by 0.80% to 44,833 units (SEC Form 4)
- SEC Form 4 filed by VP & Chief Financial Officer Howell Douglas K to satisfy withholding tax
- Arthur J. Gallagher & Co. Acquires Cincinnati Benefit Solutions, LLC
Latest AON
- SEC Form SCHEDULE 13G filed by Aon plc
- Aon downgraded by Piper Sandler with a new price target
- Aon Announces Second-Quarter 2026 Earnings Release and Conference Call Date
- Aon Announces Quarterly Cash Dividend
- General Counsel Zeidel Darren sold $216,000 worth of Class A Ordinary Stock (600 units at $360.00) as part of a pre-agreed trading plan, decreasing direct ownership by 4% to 15,354 units (SEC Form 4)
- Q3 2026 Insurance Labor Market Study Now Open for Participation
- Pulse Clean Energy Closes Two UK Energy Storage Projects With Support From Ariel Green's Technology Performance Insurance
- Chief Financial Officer Reese Edmund converted options into 3,975 units of Class A Ordinary Stock and covered exercise/tax liability with 2,198 units of Class A Ordinary Stock, increasing direct ownership by 84% to 3,901 units (SEC Form 4)
- Canadian defined benefit pension plans show increased funded levels in Q2: Aon
- SEC Form 8-K filed by Aon plc