Skip To The Main Content

Insurance and Reinsurance

For more than 30 years, clients have relied on Simpson Thacher as a recognized international leader in insurance and reinsurance law. Through our involvement in the most significant cases, clients appreciate that we have done more to establish the controlling U.S. precedents in insurance and reinsurance law than any other law firm in the U.S.

2013-2019, 2021
Insurance Firm of the Year - Benchmark Litigation

Clients benefit from our experience as the leading firm representing the interests of both ceding companies and reinsurers in litigations and arbitrations throughout the United States, the United Kingdom and Bermuda. Major insurance groups, including Travelers, AIG, Berkshire Hathaway, Lloyd’s of London and CNA have trusted us on their most significant matters.

The industry also acknowledges two authoritative treatises authored by our practice: Handbook on Insurance Coverage Disputes and Modern Reinsurance Law and Practice.


“They’re the hardest-working, smartest, most practical and most responsive attorneys; top to bottom, I think it’s the best firm in the world.”
Chambers USA 2020 (quoting a client)

News & Events



      Spotlight on
      Insurance Law Alert Resource Center
      Spotlight on
      Simpson Thacher Named Finalist for The American Lawyer’s Insurance Litigation Department of the Year 2021
      Spotlight on
      Insurance Litigation Practice National Practice Group of the Year (2013-2019, 2021)
      Spotlight on
      Simpson Thacher Named 2018 and 2020 Insurance Litigation Department of the Year by NYLJ
      Spotlight on
      Bryce Friedman Named a 2020 “MVP” in Insurance by Law360