Gibson, Dunn & Crutcher and Latham & Watkins were the top mergers and acquisitions (M&A) legal advisers in the power sector during 2025 by value and volume, respectively, according to the latest legal advisers league table by GlobalData, a leading intelligence and productivity platform.
An analysis of GlobalData’s Financial Deals Database reveals that Gibson, Dunn & Crutcher achieved the leading position in terms of value by advising on $66.6 billion worth of deals. Meanwhile, Latham & Watkins led in terms of volume by advising on a total of 42 deals.
Aurojyoti Bose, Lead Analyst at GlobalData, comments: “Latham & Watkins not only led by volume but also advised on some of the big-ticket deals announced in the power sector during 2025, which helped it occupy the fifth position by value as well. The American multinational law firm advised on six billion-dollar deals* that also included a mega deal valued more than $10 billion.
“Meanwhile, Gibson, Dunn & Crutcher also advised on six billion-dollar deals, of which three were mega deals that helped it top the league table by value in 2025.”
Kirkland & Ellis occupied the second position in terms of value, by advising on $56.3 billion worth of deals, followed by White & Case with $53.5 billion, Skadden, Arps, Slate, Meagher & Flom with $47.3 billion and Latham & Watkins with $26.6 billion.
Kirkland & Ellis also occupied the second position in terms of volume with 35 deals, followed by CMS with 32 deals, White & Case with 29 deals and Dentons with 28 deals.
*Deals valued ≥ $1 billion
