Representing Domestic and International Owner-Managed Businesses

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A Tradition of Excellence

Dennis M. Sullivan represents small and medium sized owner-managed business in formation, operation, mergers and acquisitions and other corporate transactions, with a focus on international transactions. He is a gradate of Santa Clara University and Hastings College of Law (with honors) and serves as the Legal Advisor to the Consulates General of Germany, Switzerland and Brazil (San Francisco) and related Miscellaneous Foreign Government Organizations (MFGOs) and agencies.

Legal advisor and lawyer of trust and confidence (vertraunsanwalt):


and business law

Formation of corporations, limited liability companies, non-profits, and partnerships, business disputes, real estate acquisition and leasing contracts, asset protection, mergers and acquisitions, contract drafting and review, labor and employment issues, and business litigation.

International Transactions

Formation of U.S. and international business entities, assistance with cross-border transactions and litigation, international wills and trusts, and international estate planning and tax issues.

Civil Litigation

Business litigation, breach of contract, real estate disputes, shareholder and partnership disputes, construction litigation, employment disputes and trust litigation.


How We Can Help You

The LAW OFFICES OF DENNIS M. SULLIVAN is engaged in all aspects of civil law, including litigation, international law, business and corporate law, business formation, and tax disputes. We also handle complex cases involving probate and trust law, including international wills and estates, and inheritance contests, with an established reputation for exceptional service for U.S. and foreign business entities.

Mr. Sullivan is admitted to practice before all state and federal courts in California, the United States Supreme Court, and the United States Tax Court. He has extensive experience in U.S. and international cases, including trial and appellate litigation as well as arbitration and mediation.


Located in the heart of the financial district in San Francisco, CA.

333 Bush Street
21st Floor
San Francisco, CA 94104

T : +1 (415) 982-5454
F : +1 (415) 982-1732