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 one of the UK's leading Insurance, Wealth and Retirement businesses, supporting 20.5 million customers across the UK, Ireland and Canada. Our purpose is to be with you today for a better tomorrow. That means helping people make the most of life and being there with them when it really matters, whether they’ve had a small bump in the car or are saving for a comfortable retirement. You’d be working for a FTSE100 company with the ambition for its emissions to be net zero by 2040 and which aims to make a positive contribution to communities in the UK, Canada and Ireland through a focus on sustainable business and social impact. We're also taking action for the good of the planet and have invested £10.6bn in sustainable assets. Join us and you’ll have the opportunity to shape things. Create things. To shake things up. At Aviva, we understand there’s no one size fits all approach. From lots of great benefits to the Aviva communities where you can feel included, you’ll find everything you need to thrive here – no matter who you are or what stage of life you’re at. Our values of commitment, care, community, and confidence bring to life what it means to work here. You’ll be joining a culture where you’re trusted to think for yourself, feel comfortable speaking up and think creatively to solve problems and make real change. Everyone works to bring out the best in each other so we can help build a more positive future for our customers and communities. Whatever role you’re in, you’ll get the training and opportunities you need to develop and grow in your career. We’re continuously moving forward as a business, and we’ll make sure you do too.

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 Liberty Mutual, we believe progress happens when people feel secure. By providing protection for the unexpected and delivering it with care, we help people embrace today and confidently pursue tomorrow. In business since 1912, and headquartered in Boston, today we are the fifth largest global property and casualty insurer based on 2022 gross written premium. We also rank 86 on the Fortune 100 list of largest corporations in the US based on 2022 revenue. As of December 31, 2022, we had $50 billion in annual consolidated revenue. We employ over 50,000 people in 29 countries and economies around the world. We offer a wide range of insurance products and services, including personal automobile, homeowners, specialty lines, reinsurance, commercial multiple-peril, workers compensation, commercial automobile, general liability, surety, and commercial property. For more information, visit www.libertymutualinsurance.com.

Dedicated to bringing worldwide protection and care, Allianz Partners is the B2B2C leader in assistance and insurance solutions in the following areas of expertise: global assistance, international health & life, global automotive and travel insurance. These solutions, which are a unique combination of insurance, service and technology, are available to business partners or via direct and digital channels under three internationally renowned brands: Allianz Assistance, Allianz Care and Allianz Automotive. This global family of over 18 000 employees is present in 75 countries, speaks 70 languages and handles 40 million cases per year, protecting customers and employees on all continents. Our mission is simple: We dare and care. Any time. Any where.

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.

Sedgwick is a leading global provider of technology-enabled risk, benefits and integrated business solutions. The company provides a broad range of resources tailored to our clients’ specific needs in casualty, property, marine, benefits and other lines. Every day, in every time zone, the most well-known and respected organizations place their trust in us to help their employees regain health and productivity, guide their consumers through the claims process, protect their brand and minimize business interruptions. Our more than 30,000 colleagues across 80 countries embrace our shared purpose and values as they demonstrate what it means to work for an organization committed to doing the right thing – one where caring counts.

Established in 1939, Irish Life is Ireland’s leading life, investment and pension company. Since July 2013 Irish Life has been part of the Great-West Lifeco group of companies, one of the world’s leading life assurance organisations. Great-West Lifeco and its subsidiaries - including The Great-West Life Assurance Company which was founded in Winnipeg, Canada more than a century ago - have a record for financial strength, earnings stability and consistently high ratings from the independent credit rating agencies. The Great-West Life Assurance Company has an AA rating for insurer financial strength from Standard & Poor’s. Irish Life is committed to delivering innovative products backed by the highest standards of customer service and, as part of Great-West, has access to experience and expertise on a global scale, allowing the company to continuously enhance its leading range of products and services. Information correct @Oct2023. For the latest information see www.greatwestlifeco.com

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