Skip To The Main Content

Government and Internal Investigations

Government and internal investigations can be a highly sensitive, time-consuming ordeal for any company. Large and small companies and their boards, audit and special committees, officers and directors, and other individuals regularly turn to us for advice on a wide range of criminal, regulatory, congressional and other sensitive government inquiries and internal investigations.

“The advice from the Simpson Thacher white-collar team is always very thoughtful and thorough. They do an extremely good job handling complex situations during high-stakes investigations.”
Legal 500 U.S. 2024, quoting a source

Financial institutions, professional services firms, multinational companies, market participants, and executives and other professionals rely on our guidance in investigations by the DOJ, U.S. Attorneys’ Offices, the SEC, the CFTC, the CFPB, state attorneys general, district attorneys, the Federal Reserve Bank, FINRA, the Senate Permanent Subcommittee on Investigations and other regulators throughout the world. We also have extensive experience in investigations relating to the offering and trading of crypto and other digital assets.

Our matters have included allegations of:

  • Securities, accounting and financial fraud
  • Investment advisor fraud
  • FCPA and anti-corruption violations
  • Criminal bid rigging and price fixing
  • Violations of OFAC and economic sanctions
  • Violations of regulations governing the offering and trading of crypto and other digital assets
  • Intellectual property theft, computer hacking and data breaches
  • Anti-money laundering violations
  • Misconduct by senior executives (including fraud, expense account abuse, and sexual misconduct)
  • Consumer fraud and deceptive practices
  • Insurance and healthcare fraud
  • Violations of the False Claims Act and FIRREA
Top Band Rankings
Corporate Crime and Investigations: The Elite,
Securities: Regulation, and FCPA
Chambers USA
2024

    News & Events

      Publications

        Contact

        Spotlight on
        Listen to The Regulatory Roundtable Podcast Now
        Spotlight on
        Simpson Thacher Recognized in Global Investigations Review’s “GIR 30” 2022
        Spotlight on
        Jeff Knox Profiled as White Collar “MVP” by Law360
        Spotlight on
        Martin Bell Profiled Among Crain’s “Notable Black Leaders” for 2022
        Spotlight on
        Cheryl Scarboro Recognized Among Global Investigations Review’s “Top FCPA Practitioners” for 2021
        Spotlight on
        Cheryl Scarboro Named to Global Investigations Review’s “Women in Investigations” 2021