Sullivan & Cromwell again topped the Mergermarket legal advisory league table having advised on USD 303.5 billion worth of M&A deals via 132 deals. Kirkland & Ellis came second switching places with Latham and Watkins having placed in third place in the first half of 2023.

By deal count, Goodwin Procter continued to dominate from first half of 2023, having worked on 567 transactions, followed by DLA Piper on 491 and Kirkland & Ellis on 462 deals.

Our full rankings are available on the right.

All data is based on transactions over 5% or USD 50m and is based on Mergermarket’s M&A deals database.

Our rankings are based on the geography of the target, bidder or seller, and exclude lapsed and withdrawn bids.

Rankings correct as of 09:30 (GMT) 04 Oct 2023

Cut-off date – 30 September 2023