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    Home /  Practices /  General Practice /  Insurance

    Insurance

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    Sullivan & Cromwell is one of the few law firms that offer a truly global, multidisciplinary insurance practice. Our Insurance Group brings together leading lawyers across our offices in the United States, Europe and Asia-Pacific to advise the largest U.S. and non-U.S. insurance and reinsurance companies and intermediaries on their most complex matters. Our deep industry familiarity, market insight and regulatory knowledge allow us to deliver seamless, unified advice across jurisdictions and across the full lifecycle of transactions, regulatory matters and disputes.

    Our clients span the full insurance ecosystem, including life and annuity, property/casualty, health and managed care, financial guaranty/mortgage guaranty insurers, insurance producers and reinsurance intermediaries, as well as InsurTech companies, service providers and asset managers active in the insurance industry. Our work spans the full range of strategic matters - M&A, joint ventures, divestitures and spin-offs, reinsurance, corporate reorganizations, restructurings, public and private financings and tax. The group also works closely with the Firm's market-leading Litigation practice to advise clients on insurance-related disputes, regulatory enforcement actions and other litigation. These matters are led by industry-leading lawyers who have pioneered innovative structures in the market today, including pre-capitalized trust securities and catastrophe-linked bonds.

    Drawing on our deep insurance regulatory knowledge, we group counsel insurance company, insurance producer and other industry participants on a variety of matters relating to compliance with U.S. state insurance laws and in connection with investigations and enforcement actions initiated by insurance regulators. We have strong relationships with insurance departments in the United States and with foreign regulators, including the U.K. PRA/FCA, the Bermuda Monetary Authority, the France ACPR and the Germany BaFin. Our familiarity with these agencies provides unmatched insight into global regulatory attitudes that consistently proves beneficial to our insurance industry clients.

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    Spotlight

    S&C Advises Underwriters on Two Registered Notes Offerings by Aflac, Totaling $914 Million

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    S&C Advises Allianz on Strategic Partnership with Coalition

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    S&C Advises Wren House in Agreement To Form 50/50 Joint Venture with T-Mobile

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    S&C Advises Allianz SE on $750 Million Notes Offering

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    S&C Advises Underwriters on The Progressive Corporation’s $1.5 Billion SEC-Registered Senior Notes Offering

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    • Rankings and Recognitions
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    Rankings and Recognitions

    Rankings and Recognitions

    • Benchmark Litigation Names Seven S&C Partners to its 2025 ‘40 & Under’ List

      August 12, 2025
    • S&C Awarded Law360 ‘Practice Group of the Year’ for Insurance

      January 30, 2025
    • Law360 Names S&C a ‘Firm of the Year’ with Eight ‘Practice Group of the Year’ Wins

      January 22, 2025
    • S&C Litigators Recognized as ‘Stars’ by Benchmark Litigation 2025

      October 29, 2024
    • Benchmark Litigation Names Eight S&C Partners to its 2024 ‘40 & Under List’

      August 7, 2024
    • Nine S&C Lawyers Newly Ranked in the Chambers USA 2024 Guide

      June 14, 2024
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    News

    News

    • S&C Advises Underwriters on Two Registered Notes Offerings by Aflac, Totaling $914 Million

      June 9, 2026
    • S&C Advises Allianz on Strategic Partnership with Coalition

      May 6, 2026
    • S&C Advises Wren House in Agreement To Form 50/50 Joint Venture with T-Mobile

      May 1, 2026
    • S&C Advises Allianz SE on $750 Million Notes Offering

      April 28, 2026
    • S&C Advises Underwriters on The Progressive Corporation’s $1.5 Billion SEC-Registered Senior Notes Offering

      April 10, 2026
    • S&C Advises Tokio Marine on Strategic Partnership with Berkshire Hathaway and $1.8 Billion Investment

      March 26, 2026
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    Publications, Videos and Podcasts

    Publications, Videos and Podcasts

    • Protecting the Group from Subsidiary Risk

      Articles |  June 16, 2026
    • Financial Stability Oversight Council Proposes Changes to Nonbank SIFI Designation Guidance

      Memos |  April 8, 2026
    • Russia Sanctions – EU Approves 19th Sanctions Package; UK Targets Lukoil and Rosneft

      Memos |  October 29, 2025
    • Fourth Circuit Holds that Some D&O Insurance Policies May Not Cover Merger Litigation

      Memos |  May 29, 2025
    • William Torchiana, Marion Leydier, Nicholas Menillo and Roderick Gilman Author Lexology’s Panoramic: Insurance & Reinsurance 2025 Introduction and USA Chapter

      Books |  May 29, 2025
    • When Worlds Collide: EU Data Protection, Artificial Intelligence and Trade Secrets

      Memos |  March 10, 2025
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    Practice Contacts

    Practice Contacts

    C. Andrew Gerlach Headshot Photo
    C. Andrew Gerlach
    New York
    +1-212-558-4789
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    Stephen M. Kotran Headshot Photo
    Stephen M. Kotran
    New York
    +1-212-558-4963
    Email
    vCard
    Marion C. Leydier Headshot Photo
    Marion C. Leydier
    New York
    +1-212-558-4000
    Email
    vCard
    Nicholas F. Menillo Headshot Photo
    Nicholas F. Menillo
    New York
    +1-212-558-4000
    Email
    vCard
    William D. Torchiana Headshot Photo
    William D. Torchiana
    Paris
    +33-1-73-04-58-90
    New York
    +1-212-558-4056
    Email
    vCard
    Barnabas Reynolds Headshot Photo
    Barnabas Reynolds
    London
    +44-20-7959-8900
    Email
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    Peter Klormann Headshot Photo
    Peter Klormann
    Frankfurt
    +49-69-4272-5200
    Email
    vCard
    Nicolas de Boynes Headshot Photo
    Nicolas de Boynes
    Paris
    +33-1-73-04-10-00
    Email
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    Related Practices

    Related Practices

    • Bank Regulatory
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    • Economic Sanctions & Financial Crime
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    • Financial Services Capital Markets
    • Financial Services Investigations & Litigation
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