Susy Bullock

Susy Bullock is an English qualified partner in Gibson, Dunn & Crutcher's London office. She co-chairs the firm’s Transnational Litigation Practice Group and the Environmental, Social and Governance (ESG) Practice.

Commercial and Transnational Litigation: Susy has extensive experience in commercial litigation in the English and Cayman courts, including the High Court and Competition Appeal Tribunal.  She frequently supports clients with complex transnational litigation, often taking on a global coordinating counsel role where litigation arises in multiple jurisdictions.  Particular areas of expertise include civil fraud, financial services, ESG and antitrust. Prior to joining Gibson Dunn as partner, Susy was Head of Litigation for Europe, the Middle East and Africa at UBS.

Environmental Social Governance Practice: Susy regularly advises clients on sustainability and business & human rights matters such as supply chain issues and investigations, National Contact Point complaints, emerging ESG legislation and regulatory requirements, greenwashing risks and complaints; human rights and policy training, ESG-related disclosures and Modern Slavery Act 2015 compliance, and ESG related disputes. She supports clients from a wide variety of industries including oil & gas, food & beverage, and technology. Susy is also a member of the firm’s global pro bono committee and pro bono partner for the London office.

Susy Bullock is ranked in Chambers Crisis & Risk Management 2026 for Environmental, Social & Governance Risk, where clients describe her as “an excellent lawyer.” In previous editions, clients have praised her as “a great individual who is a delight to work with and hugely diligent and thorough in her work. A pleasure to work with,” and noted that they “highly appreciated Susy’s expertise.” She is also ranked in Chambers Global 2026 for Business & Human Rights Law (Global Market Leaders). In previous editions, clients commented that she is “excellent,” “always timely in responding, really clear in managing expectations and risks and really consultative with us.”

Susy Bullock is further recognised by The Legal 500 UK 2026 for Commercial Litigation, Banking Litigation: Investment and Retail, Competition Litigation and ESG. Clients have noted that “Susy Bullock's in-house experience gives her invaluable insight into what the client is most interested in,” and, in previous years, have praised her for her ‘excellent knowledge of the banking industry’. She is also named to the Lawdragon 500 Leading Global Litigators 2026 guide for transnational litigation.

Capabilities

• Transnational Litigation
• Class Actions
• ESG: Risk, Litigation, and Reporting
• Environmental
• Insurance and Reinsurance
• Litigation
• Securities Litigation
• Securities Regulation and Corporate Governance
• White Collar Defense and Investigations

Credentials

Education:

• Queens' College, University of Cambridge - 2007 Master of Arts
• Nottingham Trent University - 2005 Legal Practice Course
• Queens' College, University of Cambridge - 2004 Bachelor of Arts

Admissions:

• England & Wales - Solicitor