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 $75.27B, about 1.1x AJG ($68.82B).
- AJG has been more active in the news (9 items in the past 4 weeks vs 7 for AON).
- 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
- VICE PRESIDENT Mead Christopher E exercised 3,500 shares at a strike of $86.17 and sold $899,587 worth of shares (3,500 units at $257.02) (SEC Form 4)
- Vice President Bloom Mark H. converted options into 1,280 shares and covered exercise/tax liability with 607 shares, increasing direct ownership by 18% to 4,417 units (SEC Form 4)
- SEC Form 13F-NT filed by Arthur J. Gallagher & Co.
- Rising Healthcare Costs Push Employers Toward Greater Benefits Oversight
- SEC Form N-PX filed by Arthur J. Gallagher & Co.
- Chief Operating Officer Gallagher Patrick Murphy gifted 23,800 shares (SEC Form 4)
- Amendment: SEC Form SCHEDULE 13G/A filed by Arthur J. Gallagher & Co.
- SEC Form 10-Q filed by Arthur J. Gallagher & Co.
- Arthur J. Gallagher & Co. Acquires Apollo Insurance Solutions Ltd.
- Arthur J. Gallagher & Co. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure
Latest AON
- Q3 2026 Insurance Labor Market Study Results Reflect Slowing Turnover and Modest Growth
- Aon: U.S. Employer Health Care Costs Continue Multi-Year Climb, Projected to Rise 9.5% in 2027
- Aon Announces Doug Hammond as Global Executive Chairman of Middle Market and Leadership Appointments for the North America Middle Market Segment
- SEC Form 8-K filed by Aon plc
- Aon Announces CFO Transition
- Aon Launches Sidecar X with $200 Million Capacity Secured
- Aon Appoints Darren Van't Hof as Head of Transaction Solutions Tax Credit Financing
- General Counsel Zeidel Darren sold $717,750 worth of Class A Ordinary Stock (1,900 units at $377.76) as part of a pre-agreed trading plan, decreasing direct ownership by 14% to 11,504 units (SEC Form 4)
- SEC Form 10-Q filed by Aon plc
- Aon plc filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits