Citi was the top mergers and acquisitions (M&A) financial adviser in the South & Central America region during the first half (H1) of 2025 by volume, while Jefferies, Mizuho Financial Group (Mizuho), and Morgan Stanley jointly occupied the top position by value, according to the latest financial advisers league table by GlobalData, which ranks financial advisers by the value and volume of M&A deals on which they advised.

Based on its Deals Database, the leading data and analytics company has revealed that Jefferies, Mizuho and Morgan Stanley jointly achieved the leading position in terms of value with each of them advising on a deal worth $9 billion. Meanwhile, Citi led in terms of volume by advising on a total of three deals.

Aurojyoti Bose, Lead Analyst at GlobalData, comments: “Jefferies, Mizuho and Morgan Stanley advised on only one deal but still were significantly ahead of their peers in terms of value during H1 2025. Involvement in the $9 billion Brookfield-Colonial Enterprises deal helped them secure the top spot by value. Apart from leading by value, these three firms also occupied the ninth position by volume during H1 2025.

“Similarly, Citi, apart from leading by volume, also occupied the fifth position by value during H1 2025.”

An analysis of GlobalData’s Deals Database reveals that Bank of America occupied the fourth position in terms of value, by advising on $4 billion worth of a deal, followed by Citi with $2.5 billion worth of deals.

Meanwhile, UBS occupied the second position in terms of volume with three deals, followed by Lazard with three deals, Rothschild & Co with three deals, and JP Morgan with two deals.