Sullivan & Cromwell

Sullivan & Cromwell LLP is a New York-headquartered international law firm founded in 1879 by Algernon Sydney Sullivan and William Nelson Cromwell. Commonly known as S&C, it is associated with the traditional American “white-shoe” legal sector and advises corporations, financial institutions, investment funds, governments, and prominent individuals on complex legal and regulatory matters. Its principal practices include mergers and acquisitions, capital markets, banking and financial regulation, restructuring and bankruptcy, tax, litigation, white-collar defense, investigations, antitrust, insurance, and technology-related matters. The firm’s historical influence derives partly from its role in the development of modern American corporate finance. William Nelson Cromwell helped promote the use of holding companies through changes to New Jersey corporate law, and the firm advised clients involved in the creation of Edison General Electric and U.S. Steel. It also developed approaches to reorganizing distressed companies that became associated with the so-called “Cromwell plan,” preceding the later development of modern bankruptcy practice. During the expansion of international finance after the First World War, S&C prepared debt and equity arrangements for European borrowers and represented parties involved in infrastructure financing, including railroad development and the Panama Canal. It continues to represent the Panama Canal Authority according to public reference material. S&C was an early U.S. law firm to establish overseas offices, opening in Paris in 1911 and later expanding to Buenos Aires, Berlin, and other major commercial centers. Its international practice has remained central to the firm’s identity, although aspects of its historical international work have attracted controversy. These include its representation of German industrial interests during the Nazi period and its work for United Fruit Company in connection with the political events surrounding Guatemala’s 1954 coup. The firm’s history also reflects the close relationship between elite corporate law and government: former partners John Foster Dulles and Allen Dulles later held senior positions in the Eisenhower administration and U.S. intelligence, while other alumni have served as judges, regulators, diplomats, academics, and business leaders. The firm expanded its securities, tax, antitrust, and shareholder-litigation work during the regulatory changes of the Great Depression era. It prepared an important early registration statement under the U.S. Securities Act of 1933 and advised on major public offerings, including Ford Motor Company’s then-record 1956 offering. A dedicated banking practice was established in 1968, followed by a formal mergers-and-acquisitions unit in 1980 as takeover activity accelerated. S&C later became prominent in major financial-sector transactions and crisis-related matters, including work connected with the 2008 financial crisis. H. Rodgin Cohen, a former chair, became particularly identified with the restructuring and rescue of major financial institutions. In the twenty-first century, S&C has continued to represent major companies in cross-border transactions, securities offerings, investigations, litigation, and restructuring proceedings. Its representation of FTX before and after the cryptocurrency exchange’s 2022 collapse generated substantial scrutiny, including allegations of conflicts of interest and questions about the firm’s pre-bankruptcy role. A later bankruptcy examination reportedly found that the firm had not participated in fraud or ignored warning signs, and an investor class action against the firm was voluntarily dismissed in 2024. The firm has also faced criticism over its work for tobacco companies, a former lawyer’s connection to an insider-trading conspiracy, and its reported use of social-media and protest-related background checks in recruiting. In January 2025, S&C announced that it would represent Donald J. Trump in an appeal concerning his New York criminal conviction. The decision attracted attention because of the reputational and political sensitivities associated with representing a sitting president and highly polarizing political figure. S&C remains an active, globally oriented professional-services organization whose reputation rests on premium corporate and financial legal work, institutional relationships, and its participation in matters with major commercial, governmental, and public-policy consequences.

Sullivan & Cromwell was established in New York in 1879 by Algernon Sydney Sullivan and William Nelson Cromwell. Its early work connected the firm to the growth of American industrial corporations and infrastructure finance. Cromwell promoted the holding-company structure through changes in New Jersey law, helping companies organize in ways that reduced the constraints imposed by older state corporate regimes. The firm advised John Pierpont Morgan during the formation of Edison General Electric in 1882 and later worked on the creation of U.S. Steel in 1901. The firm also developed a reputation for assisting troubled companies. Its restructuring methods, often described as the “Cromwell plan,” anticipated later corporate-reorganization practice. As international finance expanded after the First World War, S&C prepared debt and equity instruments for European borrowers and represented financiers involved in railroads and other infrastructure. Its international practice included work connected with French interests in Panama and the financing and administration of the Panama Canal. S&C was among the earliest U.S. law firms to open offices outside the country. It established a Paris office in 1911 and later maintained offices in Buenos Aires and Berlin. The firm’s German history remains controversial. During the 1930s, it assisted the incorporation of German chemical interests into an international nickel cartel associated with I.G. Farben’s arms-related industrial activity. The Berlin and Frankfurt operations were eventually closed, but historical accounts have questioned the timing and presentation of that closure. The firm also represented United Fruit Company during the period surrounding the 1954 overthrow of Guatemalan President Jacobo Arbenz, and its work has been cited in discussions of the relationship between corporate representation and U.S. foreign policy. During the Great Depression and the years that followed, the firm expanded into shareholder litigation, antitrust, federal tax, securities registration, and regulatory counseling. It prepared an important early registration statement under the Securities Act of 1933 and influenced legal practice involving mutual-fund taxation. The firm represented Ford Motor Company in a $643 million securities offering in 1956, then the largest of its kind. A banking practice was formed in 1968, while a dedicated mergers-and-acquisitions group followed in 1980. By the middle of that decade, M&A had become a major source of the firm’s revenue. S&C remained active in large corporate combinations and financial-sector matters. It advised on the 2008 Altria–UST tobacco-company merger and participated in matters arising from the global financial crisis. H. Rodgin Cohen, then a leading firm figure, became closely associated with efforts involving distressed financial institutions, including Bear Stearns and AIG. The firm’s work for tobacco companies, however, has contributed to criticism from public-health advocates and commentators. The firm’s lawyers and alumni have held influential positions in government, courts, academia, diplomacy, and business. John Foster Dulles became U.S. secretary of state, Allen Dulles became director of central intelligence, and other former members of the firm have served as judges, regulators, ambassadors, and senior corporate executives. This institutional network has reinforced S&C’s standing in matters involving government policy and heavily regulated industries. In recent years, the firm has handled transactions and disputes involving financial technology, digital assets, securities, restructuring, and corporate investigations. Its advice to FTX before the cryptocurrency exchange’s 2022 bankruptcy, followed by its representation of the bankruptcy estate, led to congressional criticism, academic debate, and litigation. A 2024 dismissal of an investor action followed a bankruptcy examination that reportedly did not find the firm responsible for fraud or a failure to identify warning signs. Separately, the firm faced criticism regarding applicant screening practices and, in 2025, attracted significant attention for representing Donald Trump in an appeal of his New York criminal conviction. Sullivan & Cromwell continues to operate as a global, high-value law firm focused on complex corporate, financial, regulatory, litigation, and restructuring work.

• 2025

  Trump appellate representation

  [1]Sullivan & Cromwellen.wikipedia.org

  The firm announces representation of Donald J. Trump in an appeal of his New York criminal conviction.

• 2022

  FTX collapse and bankruptcy engagement

  [1]Sullivan & Cromwellen.wikipedia.org

  S&C’s pre-collapse relationship with FTX and later work for the bankruptcy estate become subjects of public scrutiny.

• 2008

  Financial-crisis and tobacco-sector work

  [1]Sullivan & Cromwellen.wikipedia.org

  The firm advises on the Altria–UST transaction and works on major financial-crisis matters.

• 1980

  Mergers-and-acquisitions unit established

  [1]Sullivan & Cromwellen.wikipedia.org

  S&C formalizes an M&A unit during the acceleration of takeover activity.

• 1968

  Banking practice established

  [1]Sullivan & Cromwellen.wikipedia.org

  The firm creates a dedicated banking practice as financial regulation and institutional finance grow in importance.

• 1956

  Ford securities offering

  [1]Sullivan & Cromwellen.wikipedia.org

  S&C handles Ford Motor Company’s $643 million offering, then described as the largest ever.

• 1933

  Securities Act registration work

  [1]Sullivan & Cromwellen.wikipedia.org

  The firm prepares an early major registration statement under the Securities Act of 1933.

• 1911

  Paris office opens

  [1]Sullivan & Cromwellen.wikipedia.org

  The firm opens one of the earliest overseas offices established by a U.S. law firm.

• 1901

  Work on the formation of U.S. Steel

  [1]Sullivan & Cromwellen.wikipedia.org

  S&C advises key participants in the organization of U.S. Steel.

• 1882

  Advice on Edison General Electric

  [1]Sullivan & Cromwellen.wikipedia.org

  The firm advises John Pierpont Morgan during the creation of Edison General Electric.

• 1879

  Firm founded in New York

  [1]Sullivan & Cromwellen.wikipedia.org

  Algernon Sydney Sullivan and William Nelson Cromwell establish Sullivan & Cromwell.

Premium global law firm serving major corporations, financial institutions, governments, and high-profile clients on complex transactional, regulatory, restructuring, and contentious matters.

• Corporate transactions · 1980

  Mergers and acquisitions

  Advice on public and private acquisitions, mergers, takeovers, joint ventures, spin-offs, strategic investments, and related governance, antitrust, securities, and financing issues. The practice became formally organized in 1980 and has remained one of the firm’s defining business lines.

• Financial legal services

  Securities and capital markets

  Counsel on public offerings, private placements, debt and equity financing, disclosure, reporting, market regulation, and securities litigation. The firm’s historical work includes early registration practice under the Securities Act of 1933 and major corporate offerings such as Ford’s 1956 financing.

• Financial legal services · 1968

  Banking and financial regulation

  Legal advice for banks, investment firms, insurers, payment companies, and other financial institutions on regulation, governance, transactions, enforcement, supervision, and crisis management. S&C established a dedicated banking practice in 1968.

• Insolvency legal services

  Restructuring and bankruptcy

  Representation of debtors, creditors, investors, boards, and other stakeholders in restructurings, insolvency proceedings, distressed financings, and bankruptcy litigation. The practice reflects the firm’s long-standing work on reorganizing financially troubled companies.

• Dispute resolution

  Litigation, investigations, and white-collar defense

  Representation in complex commercial disputes, securities actions, regulatory investigations, criminal matters, antitrust proceedings, product liability cases, and internal investigations. The work often involves public companies, financial institutions, senior executives, and government agencies.

• 2026

  AI-generated citations in a bankruptcy filing

  Reference material states that the firm submitted inaccurate, AI-generated legal citations in a bankruptcy matter, later apologized to the court, and did not identify the responsible attorney.

  Source

• 2024

  Recruiting background-check criticism

  Reports about the firm’s review of applicants’ social-media activity, protest participation, and related footage generated criticism from academics and commentators concerned about collective attribution and discriminatory effects.

  Source

• 2022

  FTX representation controversy

  The firm’s advice to FTX before its collapse and subsequent representation of the bankruptcy estate prompted allegations concerning conflicts, disclosure, and the adequacy of advice given before bankruptcy. A later examination reportedly found no firm participation in fraud or failure to disregard warning signs.

  Source

• 2008

  Insider-trading investigation involving former lawyer

  A former S&C attorney was identified in an insider-trading conspiracy involving information allegedly obtained at S&C and another firm. The broader scheme was reported to have generated more than $10 million in illegal profits.

  Source

• 1954

  Role in the Guatemalan coup controversy

  The firm represented United Fruit Company, whose commercial and political interests were connected in historical accounts to lobbying around the overthrow of Guatemalan President Jacobo Arbenz.

  Source

• 1930

  Representation connected with German industrial and arms interests

  Historical accounts describe the firm’s assistance in incorporating German chemical interests, including I.G. Farben, into an international nickel cartel during the period of Nazi Germany’s military buildup.

  Source

Read more

• 2025

  Representation of Donald Trump in criminal appealOther

  Background

  Donald Trump sought appellate review of a New York criminal conviction.

  Action taken

  S&C announced that it would represent Trump in the appeal.

  Aftermath

  The decision drew attention because of the political and reputational implications for a major corporate law firm.

  Source

• 2022

  Continuation of FTX representation after collapseStrategy

  Background

  FTX filed for bankruptcy after the cryptocurrency exchange collapsed in 2022.

  Action taken

  The firm took an advisory role for the FTX bankruptcy estate despite its prior relationship with the company.

  Aftermath

  The engagement prompted congressional questions, academic criticism, and investor litigation, while a later examination reportedly cleared the firm of participating in fraud.

  Source

• 1980

  Formal M&A expansionStrategy

  Background

  Takeover activity was accelerating in the United States and required dedicated transactional expertise.

  Action taken

  S&C created a formal mergers-and-acquisitions unit.

  Aftermath

  By the middle of the decade, M&A reportedly generated about one-third of firm revenue.

  Source

• 1968

  Creation of a banking practiceStrategy

  Background

  The expanding role of banks and financial regulation increased demand for specialized institutional advice.

  Action taken

  The firm established a dedicated banking practice.

  Aftermath

  Banking and financial-regulatory work became a continuing pillar of the firm.

  Source

• 1911

  Early overseas expansionStrategy

  Background

  Growing cross-border finance and infrastructure investment created demand for U.S. legal advice in European and international markets.

  Action taken

  S&C opened a Paris office and later added offices in other foreign commercial centers.

  Aftermath

  The move helped establish the firm as an early international U.S. law practice.

  Source

1. 1Sullivan & Cromwellen.wikipedia.org
2. 2Sullivan & Cromwell official websitesullcrom.com