Kirkland, Latham top M&A adviser rankings amid 3rd quarter slowdown ↧ ↧ Kirkland, Latham top M&A adviser rankings amid 3rd quarter slowdown Law firm Kirkland & Ellis was the lead global M&A legal adviser by deal value in the first nine months of 2026, ​and Latham & Watkins advised on more deals than any other firm, ‌according to new data released Friday by LSEG.