Wachtell, Lipton, Rosen & Katz

Ranked #1 most selective law firm in the world (Vault 2026), Wachtell, Lipton, Rosen & Katz operates from a single office in New York City with approximately 270 attorneys. The firm is deliberately compact, maintaining one of the smallest headcounts among elite firms while generating the highest profits per partner in the industry.

Wachtell is best known for its dominance in M&A and corporate governance. The firm invented the "poison pill" takeover defense, one of the most significant innovations in corporate law. Wachtell routinely advises on the largest and most complex mergers, hostile bids, and shareholder disputes in the world, representing clients that include many of the largest Fortune 500 companies.

The firm's small size means that every associate works directly with senior partners on high-profile matters from day one. Wachtell is known for its intense, collegial work environment and its emphasis on hiring and developing a small class of exceptionally talented lawyers. The firm's single-office model and lean structure create a uniquely close-knit culture.