Fitch Ratings assigns first-time ratings of ‘A+’ to Sompo Holdings, ‘AA-’ to Sompo Japan March 19 2026
Sompo partners with Momentick and JGC to offer satellite and drone-based methane monitoring for energy clients September 15 2025
AM Best places Aspen ratings under review with positive implications following Sompo’s US$3.5bn acquisition bid September 2 2025
