LB100 2025: The largest UK-headquartered firms in the world by revenue Legal Business5 November 2025Financial resultsUnited Kingdom The full table of stats and data from the 2025 LB100 report, which ranks the top 100 UK-headquartered law firms by revenue.Click on the table headers to sort, and sort by 2025 ranking to reset the table.Your limit of 1 article in 30 days is up. Please login for full access or subscribe. Corporate users - click here for simple access (no password needed). For more information, please contact [email protected] Related ContentMore in this categoryKnights in merger talks to create £200m firmQuinn Emanuel posts third year of double-digit growth as revenue hits $2.8bnTrophy mandates and client plaudits: Weil’s London M&A team hits its strideKing & Spalding posts near-50% London revenue hike as PEP passes $7m markThe long view: which LB100 firms have performed best over the last ten years?Seal of approval: the LB100 firms with the strongest client recommendationsBeyond the deals: how clients rate London’s top M&A teamsThe Slaughters standard: what makes a top quality partner?Global 100 2025