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Rankings published in 2026
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Linked Reviews
Financial and corporate
Simpson Thacher was founded in 1884 in New York, where it still maintains headquarters. The New York office is also the firm’s largest, but it has since expanded to 10 offices across three continents. In the United States, it has offices in New York, Houston, Los Angeles, Palo Alto and Washington D.C. It is best known for its top tier work in banking, debt and equity capital markets, M&A and private equity. The firm’s New York office is a market leader in financial and corporate practices and the California offices are market leaders in capital markets.
