Department profile
Simpson Thacher & Bartlett LLP

Corporate Crime & Investigations: The Elite

USA Guide 2026 : USA - Nationwide


Simpson Thacher & Bartlett LLP

About

Provided by Simpson Thacher & Bartlett LLP

Simpson Thacher’s Government and Internal Investigations Practice advises financial institutions, asset managers, multinational companies, boards and audit committees, senior executives and other professionals in high-stakes investigations and enforcement matters brought by the DOJ, U.S. Attorneys’ Offices, the SEC, the CFTC, the CFPB, state attorneys general, district attorneys, the Federal Reserve Bank, FINRA, Congressional committees and regulators throughout the world. Our team is frequently engaged in matters involving parallel criminal, civil, congressional and regulatory exposure, cross-border investigations, novel enforcement theories and issues carrying significant reputational and business risks. We offer a deep bench of talent, which includes former senior government officials from the SEC, DOJ and FTC; former U.S. federal prosecutors; senior state attorneys general and Congressional investigators; and nationally recognized litigators. We also have extensive experience in investigations relating to the offering and trading of crypto and other digital assets. For the eleventh year in a row, the Firm was recently recognized by Global Investigations Review in the GIR 100. In addition, our practice and lawyers are consistently recognized by The Legal 500, Benchmark Litigation, The American Lawyer, Law360, and The National Law Journal, among others.

Chambers Review

Provided by Chambers

Corporate Crime & Investigations: The Elite - USA - Nationwide

Band 3

Band 3


What the Team is Known For

Simpson Thacher & Bartlett is a well-regarded international litigation and corporate firm with demonstrable expertise handling a broad range of enforcement proceedings and regulatory investigations. The firm is frequently called upon by blue-chip companies and financial institutions facing DOJ and SEC inquiries. It is able to draw upon a deep bench of former high-ranking government officials, and maintains a strong global footprint that allows for an integrated approach to complex cross-border matters.

Work Highlights

Provided by Chambers

  • Simpson Thacher represented Blackstone, JPMorgan and other major financial institutions and asset managers in SEC investigations concerning alleged failures to preserve business‑related communications conducted via text messages and personal email accounts. The firm advised clients through regulatory inquiries that resulted in settlements resolving the SEC’s claims regarding recordkeeping obligations under longstanding securities regulations.

Strengths

Provided by Chambers

  • Simpson Thacher handles high-exposure and highly sensitive matters, with effective resolution strategy and excellent trial counsels.

    Corporate Crime & Investigations: The Elite respondentUSA

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