Global insurance and reinsurance broker Aon has expanded its reinsurance casualty collaboration with Moody’s Insurance Solutions into commercial risk.

Building on the initial success in casualty reinsurance, the collaboration will now deliver insights on climate casualty and other emerging risks, risk mitigation strategies, and excess casualty named-peril products for commercial insurance buyers.

The expansion aims to help casualty insurers and reinsurers reduce latency and accumulation risk while supporting ongoing innovation in the casualty re/insurance sector.

As factors such as social inflation and litigation finance create new emerging risks, named-peril products can drive efficient risk transfer, foster insurance premium growth, and enhance casualty protection at risk-appropriate pricing. This helps mitigate uncertainty around exclusions, insufficient limits, and coverage disputes.

The enhanced collaboration brings together Moody’s Casualty unit’s advanced technology—which identifies and models over 300 emerging risk perils—with Aon’s extensive global relationships in both traditional and alternative capital sectors. This synergy enables more efficient capital allocation, helping Aon clients make better business decisions when managing casualty portfolios.

Amanda Lyons, global product leader for Reinsurance Solutions at Aon, said, “Traditional casualty clash solutions have struggled to provide capital-efficient coverage. Our collaboration with Moody’s is now creating products that better reflect exposures and offer more attractive pricing for both commercial risk and reinsurance. This helps businesses make better decisions and supports reinsurance clients and original buyers in confidently pursuing growth strategies.”

Robert Reville, head of casualty market development at Moody’s, added, “The increasingly volatile liability environment challenges the entire value chain of insurance – from the original buyers to their insurers and reinsurers. In this environment, we expect named-peril products to lead to the emergence of a casualty catastrophe market. We are delighted to work with Aon to drive such innovation in the re/insurance market.”

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