Sullivan & Cromwell and Skadden, Arps, Slate, Meagher & Flom were the top mergers and acquisitions (M&A) legal advisers in South & Central America during the first half (H1) of 2026 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 Sullivan & Cromwell achieved the top position in terms of value by advising on $8 billion worth of deals. Meanwhile, Skadden, Arps, Slate, Meagher & Flom led in terms of volume by advising on a total of five deals.

Aurojyoti Bose, Lead Analyst at GlobalData, comments: “Apart from leading by volume, Skadden, Arps, Slate, Meagher & Flom also gave a close competition for the top position by value and missed it by a whisker. It held the second position in terms of value by advising on $7.3 billion worth of deals.

“While, Skadden, Arps, Slate, Meagher & Flom advised on a billion-dollar deal* during H1 2026, both the deals advised by Sullivan & Cromwell, which occupied the top spot by value, were billion-dollar deals.”

Conyers Dill & Pearman occupied the third position in terms of value, by advising on $6.4 billion worth of deals, followed by Homburger and Lenz & Staehelin jointly occupying the fourth position with each of them advising on a deal worth $6.2 billion.

Meanwhile, Veirano Advogados occupied the second position in terms of volume with five deals, followed by CMS with five deals, Baker McKenzie with five deals and Posse Herrera & Ruiz Abogados with five deals.

*Deals valued ≥ $1 billion