Insurance: Transactional & Regulatory

Simpson Thacher’s Insurance and Reinsurance Practice is renowned for securing some of the widest-ranging, highest-profile retentions of any firm in the United States for matters involving the most significant issues facing the insurance industry. Clients benefit from our experience as the leading firm representing the interests of both insurers and reinsurers in litigations and arbitrations throughout the United States, the United Kingdom and Bermuda. We are also regularly retained by insurers and their boards of directors to advise, represent, defend and investigate business practice and regulatory issues, including in connection with shareholder lawsuits and proxy proposals; state and federal regulatory proceedings, including market conduct examinations; and government investigations. The Firm was named National Insurance Practice Group of the Year for Benchmark Litigation’s US Awards 2026 for the twelfth year, and was named by New York Law Journal as the 2024 “Insurance Litigation Department of the Year,” an accolade it was previously awarded in 2023, 2020 and 2018, respectively. The Firm was also recently profiled as a finalist in New York Law Journal’s 2025 “Insurance Litigation Department of the Year.”