FinTech Legal
FinTech Guide 2025 : USA - Nationwide
Band 3
Contact number
+1 212 558 4740Chambers Review
Sullivan & Cromwell has an impressive reputation for bank regulatory matters and a focus on blockchain and cryptocurrency. The firm is often instructed on SEC and CFTC registrations and provides regulatory and corporate counsel to digital asset businesses.
Strengths
Provided by Chambers
"Using Sullivan & Cromwell lets our legal team come up for air. There are few others I'd trust with our most sensitive matters. The team is solid, and its reliability is a deep comfort."
"Even though they have an incredible reputation and a huge number of attorneys, they made us feel like an important client from the start. They always kept our deadlines and followed up when necessary."
"Sullivan & Cromwell provided deep thinking, thoughtful and practical advice, and attention to detail. Their experience and application of that experience in a practical manner was extremely strong."
"They have great business judgement. They worked with us in finding solutions to fundamental and novel regulatory issues. They have complete command of current and potential legislation and regulation."
"Using Sullivan & Cromwell lets our legal team come up for air. There are few others I'd trust with our most sensitive matters. The team is solid, and its reliability is a deep comfort."
"Even though they have an incredible reputation and a huge number of attorneys, they made us feel like an important client from the start. They always kept our deadlines and followed up when necessary."
"Sullivan & Cromwell provided deep thinking, thoughtful and practical advice, and attention to detail. Their experience and application of that experience in a practical manner was extremely strong."
"They have great business judgement. They worked with us in finding solutions to fundamental and novel regulatory issues. They have complete command of current and potential legislation and regulation."
Notable Practitioners
Colin Lloyd is an expert in blockchain-related matters and helps cryptocurrency platforms to become registered entities and interpret relevant regulation. He regularly liaises with the SEC and CFTC on behalf of clients.
"Colin is extremely sharp, responsive, thoughtful and all-round excellent."
"Colin's financial regulatory expertise is respected and trusted across the industry."
"Colin has a deep level of expertise and knowledge in this area. His thoughtful comments are always appreciated and we know that he's put in a lot of thought and time in every work product."
"Colin provides very comprehensive and thoughtful advice on a range of complex issues."
Rebecca Simmons is head of the firm's payments practice and co-head of its FinTech practice. Simmons represents clients in the development of payments products and assists banks with setting up strategic partnerships with blockchains.
"Rebecca Simmons is great: she's very smart."
"Rebecca Simmons is a true expert. She knows the subject matter back to front."
"She's wonderful and I think very highly of her."