Morgan Stanley and RBC Capital Markets were the top mergers and acquisitions (M&A) financial advisers in the oil & gas sector during 2025 by value and volume, respectively, according to the latest financial advisers league table by GlobalData, a leading intelligence and productivity platform.

An analysis of GlobalData’s Financial Deals Database reveals that Morgan Stanley achieved the leading position in terms of value by advising on $57.3 billion worth of deals. Meanwhile, RBC Capital Markets led in terms of volume by advising on a total of 24 deals.

Aurojyoti Bose, Lead Analyst at GlobalData, comments: “RBC Capital Markets, not only led by volume but also advised on several big-ticket deals during 2025, which helped it secure the second position by value as well, having advised on $41.6 billion worth of deals. During the year, RBC Capital Markets advised on 13 billion-dollar deals*.

“Meanwhile, Morgan Stanley advised on 10 billion-dollar deals that also included two mega deals valued more than $10 billion. In fact, it was the only adviser to surpass the $50 billion-mark during 2025. The global financial services firm also held the second position by volume with 16 deals.”

JPMorgan occupied the third position in terms of value, by advising on $38.1 billion worth of deals, followed by Evercore with $37.9 billion and Goldman Sachs with $30 billion.

Meanwhile, Evercore occupied the third position in terms of volume with 16 deals, followed by JPMorgan with 14 deals and Jefferies with 14 deals.

*Deals valued ≥ $1 billion