About Simpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP is a globally recognized law firm with more than 140 years of experience advising leading corporations, financial institutions, investment funds, and asset managers. A reputation for legal excellence, integrity, and strategic precision defines representation on the most complex and consequential matters worldwide.

Simpson Thacher & Bartlett LLP provides comprehensive legal services across corporate, litigation, banking and credit, capital markets, mergers and acquisitions, real estate, restructuring, and private funds. Each engagement reflects disciplined preparation, sophisticated analysis, and commercially focused strategies designed to protect value and support long-term success.

Simpson Thacher & Bartlett LLP is known for advising on high-profile transactions, complex financings, and significant disputes across diverse industries. Deep sector knowledge spanning financial services, technology, energy, infrastructure, insurance, and healthcare allows tailored legal solutions that address evolving regulatory, commercial, and operational challenges.

Simpson Thacher & Bartlett LLP operates through a collaborative, team-oriented model that integrates lawyers across offices, practices, and jurisdictions. This unified approach ensures personalized legal strategies informed by local insight and global perspective, enabling seamless execution on cross-border transactions and high-stakes matters.

Simpson Thacher & Bartlett LLP maintains a strong commitment to innovation, leveraging advanced legal technologies and forward-looking methodologies to enhance efficiency, accuracy, and strategic insight. Leadership in emerging legal developments supports effective navigation of complex regulatory environments and rapidly changing market conditions.

Simpson Thacher & Bartlett LLP is guided by core values emphasizing integrity, professionalism, and client-focused advocacy. Confidentiality, accountability, and excellence remain central to every engagement. Consistent recognition from leading legal rankings and industry organizations reflects sustained leadership and trust within the global legal community.

Practice Areas

Business
  • Alternative Capital and Private Credit
  • Acquisition Finance
  • Backleverage and Investment-Backed Financing
  • Fund Finance
  • Investment Grade Finance
  • Project Finance
  • Real Estate Finance
  • Regulatory Advice
  • Capital Markets
  • Financial Institutions
  • Intellectual Property Transactions
  • Private Funds
  • Registered Funds
  • Registered Funds M&A
  • Asset Management Regulatory and Enforcement
  • Fund Finance
  • Fund Transactions
  • Liability Management and Special Situations
  • Corporate – M&A
  • Private Equity
  • Antitrust and Trade Regulation – M&A
  • National Security Regulatory Practice
  • Asset Management M&A
  • Public Company Advisory Practice
  • Real Estate and REITs
  • Restructuring
  • Sustainability and Environmental, Social and Governance (ESG)
  • Tax
  • Executive Compensation and Employee Benefits
  • Exempt Organizations
  • Environmental
Lawsuits & Disputes
  • Anti-Discrimination Litigation and Advisory
  • Antitrust and Trade Regulation
  • Appellate
  • Asia Litigation
  • Asset Management Litigation
  • Asset Management Regulatory and Enforcement
  • Bankruptcy Litigation
  • Complex Commercial Litigation
  • ERISA Litigation
  • False Advertising Litigation
  • Government and Internal Investigations
  • Insurance and Reinsurance
  • Intellectual Property Litigation
  • International Disputes and Arbitration
  • International Regulatory and Compliance
  • Mergers and Acquisitions Litigation
  • Privacy and Cybersecurity
  • Product Liability and Mass Tort
  • Securities Litigation
  • Whistleblower and False Claims Act
Labor and Employment
  • Discrimination
  • Wrongful Termination
  • Sexual Harassment
Personal Planning
  • Succession Planning and Reorganization of Family Businesses
  • Complex Family Commercial Disputes, Trusts and Estates Litigation
  • Multijurisdictional Planning
  • Planning With Liquid and Special Assets

Fees

  • Payment details not specified

Office locations for Simpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP - Boston

855 Boylston St 9th Floor, Boston, MA 02116

Simpson Thacher & Bartlett LLP - Washington

900 G St NW, Washington, DC 20001

Simpson Thacher & Bartlett LLP - Palo Alto

2475 Hanover St, Palo Alto, CA 94304

Simpson Thacher & Bartlett LLP - Los Angeles

1999 Ave of the Stars UNIT 29, Los Angeles, CA 90067

Simpson Thacher & Bartlett LLP - New York

425 Lexington Ave, New York, NY 10017