Top Insurance Companies

Aon is in the Business of Better Decisions Our world is changing. Uncertainty has become the new constant in a world that is increasingly volatile and where new business models are rising and falling at an ever-increasing speed. With this change comes a pressing need for businesses to make important decisions more often. Some will be easy, others difficult. There’ll be some that may seem small, but all have the potential to have a profound impact. At Aon, we partner with our clients to help shape business decisions for the better. We are not tied to a traditional way of doing things. That is why we can best prepare organizations to manage the challenges of the volatile world in which we now live. We give our clients the clarity and confidence to make better decisions that protect and grow their businesses. A New Way to Do Business We are dedicated to helping clients meet unmet or unfulfilled needs stemming from today’s rapidly changing, increasingly complex and interconnected challenges. Aon is positioned to deliver innovative solutions that address those unmet client needs and become the partner of choice for all businesses — no matter industry, size or geography — looking to make better and more informed decisions. That is why we deliver: Advanced Analytical Capabilities — through the combination of leading technologies, extensive data sources and leading decision-science capabilities. This means our clients are better informed. Distinctive Client Insight — in the form of future-focused advisory services and more extensive subject matter expertise across segments and geographies. This means our clients are better advised. Superior Outcomes — by accelerating innovation that improves access to new sources of capital and introduces relevant solutions that protect and grow our client’s business. This means our clients are able to make better decisions. To do this, we focus on unmet needs in four key areas where we know we can help our clients the most. Navigating New Forms of Volatility Building a Resilient Workforce Rethinking Access to Capital Addressing the Underserved Investing in Our Future Aon is well-positioned to take on today’s challenges. We are also committed to investing in our future and will continue to invest in both our people and our capabilities to produce superior outcomes for our clients. Aon will help our clients to be better informed, better advised and able to make better decisions on the issues that matter most to them. That is because we are building a business that defies traditional categorization. We are establishing Aon firmly in the business of better decisions; a trusted partner to help our clients navigate today’s challenges and together tackle some of the greatest issues we’ve ever faced.

We're the largest general insurance group in Australia and New Zealand. Our family of brands turns the IAG purpose of making your world a safer place into action by helping everyday Aussies and New Zealanders, supporting their ambitions and making insurance accessible. We focus on being a strong, resilient group, delivering with discipline and creating consistent, reliable financial performance. You’ll know our brands nationally in Australia: NRMA Insurance, ROLLiN’, CGU, WFI. And in New Zealand: AMI, NZI, and State Insurance to name a few. Together they turn our purpose into action by helping, supporting ambitions and making insurance accessible.

We’re an international insurer and reinsurer with a local presence in 26 countries. Leveraging our deep expertise and insights, QBE offers commercial, personal and specialty products and risk management solutions to help people and businesses manage risks, build strength and embrace change to their advantage. We’ve been cultivating resilience since 1886, when our founders started a marine insurance company in Townsville, Australia to give early pioneers a safeguard against uncertainty. Today, we employ more than 13.000 people around the world, and our product portfolio includes property, motor, crop, energy, marine and aviation insurance.

Gallagher is a global leader in insurance, risk management, and consulting services, where champions of The Gallagher Way shape the future every day. Our 70,000+ employees across the globe deliver tailored solutions that help businesses grow, communities thrive, and people prosper. Rooted in a legacy of trust, integrity, and excellence, we empower our people to build careers with purpose—whether in brokerage, benefits and HR consulting, or on our corporate team. At Gallagher, every champion makes an impact. We are honored to be the only insurance broker recognized by the Ethisphere Institute as a World's Most Ethical Company.

Zurich Financial Services Australia (Zurich Australia & New Zealand) is the local arm of Zurich Insurance Group (Zurich) – a leading multi-line insurer that serves its customers in global and local markets. For 100 years, Zurich Australia & New Zealand has combined global expertise with local care to provide leading wealth and insurance solutions for our customers. We are passionate about our purpose to ‘create a brighter future together’ and use our resources to contribute to the communities in which we serve through disaster resilience, community partnerships and sustainability. WHO WE ARE A global insurer With about 55,000 employees, Zurich Group provides a wide range of property and casualty, life insurance products and services in more than 215 countries and territories. Zurich’s customers include individuals, small businesses, mid-sized and large companies, as well as multinational corporations. Zurich Group continues to deliver strong, sustainable performance. In 2020, Zurich delivered a business operating profit (BOP) of USD4.2bn. Further detail on our global financial performance for 2020 can be found here. Zurich Insurance Group Ltd (ZURN), is listed on the SIX Swiss Exchange and has a level I American Depositary Receipt (ZURVY) program, which is traded over-the-counter on OTCQX. Local heritage At Zurich Australia & New Zealand, we apply global strength to solving local needs and are passionate about helping customers understand and protect themselves against risk. Our customers include individuals, small businesses, mid-sized and large companies, as well as multinational corporations. Our Australian story dates back to 1921, when the Commonwealth General Assurance Corporation Ltd (CGA) was incorporated in New South Wales. In 1961, CGA became part of the Zurich Insurance Group. Our Australian business has since grown significantly, employing more than 1600 people across Australia and New Zealand who share our commitment to always placing our customers' needs at the center of our business. On 1 June 2019, ANZ’s life and consumer credit insurance business, OnePath Life was formally acquired by Zurich. This created one of Australia’s largest life insurers, with a combined Australian heritage of more than 200 years.

Marsh (NYSE: MRSH) — formerly Marsh McLennan — is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.  Learn more about how we're evolving and building a new, expanded Marsh brand to represent all of our capabilities: https://www.marshmclennan.com/news-events/2025/october/marshmclennan-and-its-businesses-will-brand-as-marsh.html At Marsh, you can be your best here. Explore career opportunities on our global careers site: https://careers.marsh.com/global/en

Chubb is the world’s largest publicly traded property and casualty insurer. With operations in 54 countries, Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance to a diverse group of clients. Chubb is defined by its extensive offerings, broad distribution capabilities, exceptional financial strength and local operations globally. The company serves multinational corporations, mid-size and small businesses with property and casualty insurance and risk engineering services; affluent and high net worth individuals with substantial assets to protect; individuals purchasing life, personal accident, supplemental health, homeowners, automobile and specialty personal insurance coverage; companies and affinity groups providing or offering accident and health insurance programs and life insurance to their employees or members; and insurers managing exposures with reinsurance coverage.

We're a leading global insurance organization with operations in approximately 80 countries and jurisdictions. We provide a wide range of property casualty insurance, life insurance, retirement solutions, and other financial services to support our clients in business and in life through our General Insurance, Life & Retirement and Investments business units. What unites us across all of these offerings is our commitment to helping individuals, businesses and communities prepare for and respond to times of uncertainty. Whether serving those facing natural disasters or millions of Americans striving for a financially secure retirement, we have the specialist expertise to help clients better manage risk. We’re also committed to doing the right thing for our people and the communities where we work and live. It’s why we seek to offer what matters to our ever-diversifying team - like flexible and creative work environments, professional growth opportunities and forums to advocate for one another and incite change. We encourage employees to give back to the causes they care most about, supporting these efforts through our Volunteer Time Off and Matching Grants Programs.

At MetLife, we’re leading the global transformation of an industry we’ve long defined. Founded in 1868, MetLife, through its subsidiaries and affiliates, is one of the world’s leading financial services companies, providing insurance, annuities, employee benefits and asset management to help individual and institutional customers build a more confident future. We have operations in more than 40 markets globally and hold leading positions in the United States, Japan, Latin America, Asia, Europe and the Middle East. We are one of the largest institutional investors in the U.S., with approximately $730 billion in assets under management as of March 31, 2026. We’re proud to be ranked #10 on Fortune’s World’s 25 Best Workplaces™ and recognized on Fortune’s World’s Most Admired Companies list. Additionally, we are Great Place to Work® certified in 33 markets worldwide.