10 Best Insurance Companies In the World 1. Berkshire Hathaway berkshirehathaway.com 2. Prudential prudential.co.uk 3. United Health Group unitedhealthgroup.com 4. Munich Re Group munichre.com 5. Generali Group generali.com 6. Japan Post Holdings japanpost.jp 7. Allianz SE allianz.com 8. AXA axa.com 9. United Health Insurance uhc.com 10. Nippon Life Insurance nissay.co.jp