Sullivan & Cromwell Leads in Deal Value; Alston & Bird Tops in Volume for H1 2026 Financial M&A Legal Adviser Rankings
According to GlobalData's latest league table, Sullivan & Cromwell led the financial services mergers and acquisitions (M&A) legal adviser rankings by deal value with $24.9 billion in transactions during the first half of 2026. Alston & Bird topped the list for volume, advising on 23 deals. White & Case ranked second in terms of deal value at $18.6 billion, followed closely by Clifford Chance and Paul Weiss. Kirkland & Ellis came in second place for number of mandates with 22 transactions advised. Analyst Aurojyoti Bose noted that despite a year-on-year decline in both volume and total value compared to H1 2025, Sullivan & Cromwell maintained its lead. GlobalData compiles these rankings by tracking company websites, advisory firm portals, and other reliable sources with the help of an analyst team. The data is further validated through submissions from leading advisers.
Topics: Financial Services Legal Advisers M&A