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Paul, Weiss and Debevoise Top Financial Services M&A Legal Adviser Rankings for Q1 2025

Deal Value and Volume Reveal Strategic Shifts Among Leading Firms


The financial services sector saw notable shifts among legal advisers for mergers and acquisitions (M&A) in the first quarter of 2025, according to the latest GlobalData report.

Paul, Weiss, Rifkind, Wharton & Garrison led by total deal value, advising on transactions worth approximately $12 billion despite a 23.5% year-over-year decline. Close behind were Wachtell, Lipton, Rosen & Katz and Bradley Arant Boult Cummings, each handling deals valued near $12 billion. Wachtell notably experienced a significant drop of 66.1% compared to the previous year.

By deal volume, Debevoise & Plimpton took first place, completing eight transactions, although the firm's total deal value declined notably year-over-year. Simpson Thacher & Bartlett and Alston & Bird also recorded eight deals each, underscoring a competitive environment for deal activity. Wachtell and Paul, Weiss completed seven and six deals, respectively.

Chiomenti Studio Legale made a significant mark by advising on 19 deals totaling approximately $4.5 billion, demonstrating robust activity in terms of total deal value.

The evolving rankings highlight increased competition and strategic maneuvering among top-tier legal firms in financial services sector M&A.


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