
Securities: Regulation: Enforcement
USA Guide 2026 : USA - Nationwide
Rankings

Ranked Individuals
Ranked Individuals
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Provided by Sullivan & Cromwell LLP
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Work Highlights
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Sullivan & Cromwell represented Coinbase in an enforcement action brought by the SEC charging the company with operating as an unregistered securities platform.
Strengths
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Sullivan & Cromwell are amongst the best. They are a superb firm with an incredible and adept bench. They were masterful in marshalling an enormous and extensive matter.
Securities: Regulation: Enforcement respondentUSAThe level of sophistication and intellect at Sullivan is top tier. Their ability to dissect complex business models and analyze in light of the legal frameworks is what separates this firm.
Securities: Regulation: Enforcement respondentUSASullivan & Cromwell has a deep bench providing exceptional representation in complex matters exceeding expectations. They don't just react; they proactively develop an effective defense strategy.
Securities: Regulation: Enforcement respondentUSA
Notable Practitioners
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Band 1 
Band 1 
Steven R Peikin
Former co-director of SEC Enforcement Steven Peikin represents companies, lending platforms, hedge funds and financial institutions facing a range of high-stakes securities enforcement proceedings. Steve is in the upper echelon for complex SEC matters.
Securities: Regulation: Enforcement respondentUSASteven is exceptionally good with a deep and broad history in this space.
Securities: Regulation: Enforcement respondentUSA
Band 5 
Band 5 
James McDonald
James McDonald is extremely well-versed in representing and advising clients in connection with SEC investigations. He offers particular expertise in the technology and cryptocurrency sectors.
Jamie is intelligent and commercial, obtaining practical solutions.
Securities: Regulation: Enforcement respondentUSAJames' practice is unique. He can see it holistically and can do it all.
Securities: Regulation: Enforcement respondentUSAJames is a very thoughtful lawyer.
Securities: Regulation: Enforcement respondentUSA
Ranked Individuals at Sullivan & Cromwell LLP (2)
Members
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Steven R Peikin
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James McDonald
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