Sullivan & Cromwell LLP

Overview

Sullivan & Cromwell LLP, founded in 1879 and based in New York City, is a historic multinational law firm long known for advising on major deals and helping shape financial law, though it has faced both historical controversies and more recent legal scrutiny. With about 879 attorneys worldwide (Vault reports an attorney headcount across eight countries), the firm reported $2,050,719,000 in gross revenue in 2024, ranking 25th on The American Lawyer's 2025 Am Law 200, 30th on the 2024 Global 200, and 65th by size on the 2025 NLJ 500. The firm follows a generalist practice model that lets lawyers work across industries and subgroups, with particular strength in transactional work, finance, securities and other high-stakes corporate matters. Sullivan & Cromwell emphasizes mentoring and career advising, promotes a collegial environment for associates to work on cutting-edge matters, and maintains a notable international office footprint.