Legal 500 has released its 2026 US research, with Latham & Watkins, Kirkland & Ellis, and Simpson Thacher holding onto their positions as the leading firms by top-tier rankings. A total of 441 firms are ranked in the latest research – an increase of 39% on last year, with the total number of unique rankings up by more than 500 to 4,088. Your limit of 1 article in 30 days is up. Please login for full access or . Corporate users - click here for simple access (no password needed).