Department profile

Corporate/M&A

Global Guide 2026 : USA

Sullivan & Cromwell LLP

Rankings

Ranked Individuals

About

Provided by Sullivan & Cromwell LLP

To learn about our practice, please visit https://www.sullcrom.com/PracticeListing.

Chambers Review

Provided by Chambers

Corporate/M&A - USA

Spotlight

What the Team is Known For

Sullivan & Cromwell has developed a stellar reputation as an international law firm, combining a leading US law practice headquartered in New York with top-end expertise throughout its offices across Asia-Pacific and European financial centres. The firm provides broad international capabilities on substantial transactions and high-value contentious cases, appealing to a broad range of international companies and banks based both within and outside the USA.

The firm's US teams provide best-in-class M&A advice to elite listed corporations, often project-managing outbound transactions from its New York base and directing carefully chosen local counsel. It is renowned for its work on high-value, inbound and outbound M&A transactions and displays great proficiency in transatlantic work. Its lawyers are adept at advising multinational corporate clients on transformative deals, frequently with assistance from the firm's corporate and finance-focused teams in London and Frankfurt. The firm's Asia platform is anchored by its strong standing in the Chinese M&A market, where it offers high-end specialised services on cross-border work involving the USA. It is also well regarded for prevalence advising on Latin America transactions, with the US offices frequently directing deals in cooperation with local firms.

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Strengths

Provided by Chambers

Sullivan & Cromwell has extensive expertise in the public M&A space and is an invaluable resource in executing on transactions. It provides practical, business-oriented advice that gets deals done.
Corporate/M&A respondentGlobal
The team at Sullivan & Cromwell provides excellent client service with a prompt and high quality work product.
Corporate/M&A respondentGlobal
Sullivan & Cromwell provides excellent and thoughtful advice that is responsive to the client's desired approach.
Corporate/M&A respondentGlobal
The firm is highly responsive, technically knowledgeable and has strong industry knowledge.
Corporate/M&A respondentGlobal

Notable Practitioners

Provided by Chambers

Senior Statespeople
Senior Statespeople
James C Morphy
James Morphy possesses deep M&A and corporate governance experience. He remains a trusted adviser to a stable of corporates, special committees and financial advisers.
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Band 1
Band 1
Francis J Aquila
Francis Aquila possesses a great wealth of expertise that extends across high profile M&A and corporate governance issues in a broad variety of industries.
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Band 1
Band 1
H Rodgin Cohen
Rodgin Cohen possesses market-leading corporate capabilities as part of his broad-ranging practice. He is particularly strong in the representation of financial institutions.
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Band 1
Band 1
Melissa Sawyer
Melissa Sawyer concentrates her high quality practice on the representation of clients in M&A, joint ventures and other corporate matters across a variety of industries.
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Band 2
Band 2
Alison S Ressler
Alison Ressler enjoys a formidable reputation in the market for her strong command of M&A in both the corporate and private equity context.
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Band 2
Band 2
Michael Ringler
Michael Ringler operates a highly respected corporate practice which encompasses expertise in complex M&A, joint ventures and divestitures, as well as experience in proxy contests and hostile takeovers. He is particularly active in technology transactions.
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Foreign expert for Latin America-wide
Foreign expert for Latin America-wide
Sergio J Galvis
Sergio Galvis frequently represents Latin American clients in international deals. He often handles M&A and corporate governance matters.
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Foreign expert for Latin America-wide
Foreign expert for Latin America-wide
Werner Federico Ahlers
Werner Federico Ahlers is noted for experience in handling transactions in Latin America. He works on deals in the energy, infrastructure and natural resources sectors, among others.
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