GlobalData, a leading data and analytics company, has revealed its global league tables for legal advisers by value and volume for H1 2021.

Top advisers by both value and volume

According to GlobalData’s financial deals database, Simpson Thacher & Bartlett and Kirkland & Ellis emerged as the top mergers and acquisitions (M&A) legal advisers for H1 2021 by value and volume, respectively.

Simpson Thacher & Bartlett advised on 134 deals valued at $371.2bn. This was the highest value among all the advisers. Kirkland & Ellis advised on 434 deals valued at $266.2bn.

GlobalData lead analyst Aurojyoti Bose said: “Kirkland & Ellis was the only firm to advise on more than 400 deals. However, the firm had to settle for fifth position in terms of value as it advised on relatively fewer big-ticket deals.

“Meanwhile, Simpson Thacher & Bartlett, despite advising on around one-third of the number of deals advised by Kirkland & Ellis, occupied the top position by value due to its involvement in a higher number of big-ticket deals. While Simpson Thacher & Bartlett managed to advise on nine mega deals (valued greater than or equal to $10bn), Kirkland & Ellis advised on three such deals. Similarly, the average transaction of deals advised by Simpson Thacher & Bartlett stood at $2.8bn, while it was just $613.3m for Kirkland & Ellis.”

Sullivan & Cromwell took the second spot by value, with 85 deals valued at $297.8bn. It was followed by Wachtell Lipton Rosen & Katz, with 58 deals valued at $296.6bn and Cravath Swaine & Moore with 44 deals worth $269.9bn

Latham & Watkins secured the second position by volume with 275 deals worth $237.4bn. It was followed by Jones Day with 202 deals valued at $51.3bn, and CMS with 199 deals valued at $19bn.


GlobalData’s league tables are based on the real-time tracking of thousands of company websites, advisory firm websites and other reliable sources available on the secondary domain. A dedicated team of analysts monitors all these sources to gather in-depth details for each deal, including adviser names.

To ensure further robustness to the data, the company also seeks submissions from leading advisers, through adviser submission forms on GlobalData’s website.