Sompo Holdings Inc. announced it has received the necessary antitrust and insurance regulatory approvals required to complete its previously announced acquisition of Aspen Insurance Holdings Ltd., via a wholly owned subsidiary of Sompo International Holdings Ltd. (SIH).
The $3.5 billion transaction, which was first announced in August 2025, is expected to close over the next several days.
Sompo describes Aspen as a well-established insurance and reinsurance franchise with a strong underwriting culture. Further, it added, Aspen’s top-tier Lloyd’s syndicate provides Sompo additional access to support complex risks and reinsurance licensing across untapped markets worldwide.
Following closing, Sompo will begin the process of integrating Aspen’s capabilities to ensure a globally diversified property/casualty platform.
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