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This Top Global Reinsurance Groups directory is based on research data from rating agency A.M. Best, and ranks companies based on full-year 2025 performance.
Listing the top reinsurers in the world, this directory provides a simple way to analyse the world’s top reinsurance companies.
Companies that report under IFRS 17 are ranked 1 to 16 based on gross reinsurance revenue, and companies that report under non-IFRS 17 are ranked 1 to 34 based on gross written reinsurance premium. All companies that provided non-group reinsurance financial data were considered by AM Best.
