Top 50 Global Reinsurance Groups This Top 50 Global Reinsurance Groups directory is based on research data from rating agency A.M. Best. Listing the top reinsurers in the world, this directory provides a simple way to analyse the world’s top reinsurance companies. The global reinsurance groups featured are ranked by unaffiliated gross reinsurance premiums written … Continue reading Top 50 Global Reinsurance Groups