3 minute read • Updated 25 Aug 2026 In our UK city leaderboard series, we look at the law firms with the largest partner headcount and strongest recent headcount growth in each UK city. Here are the firms leading the way in the London legal market.
Dechert tops the Am Law 200 with 25 CLO partners, ahead of Sidley at 21. Our bench-depth analysis shows specialism, not prestige, predicts CLO strength.
Capital markets hiring jumped +25% in 2025 as firms staffed up for a $3 trillion IPO wave. Pirical data shows who is winning the work and who is losing the talent.
This Pirical Rankings looks at which law firms hold the deepest benches of partners with nuclear experience, and which are concentrating their lateral hiring most heavily in this space.
Pirical's Pennsylvania leaderboard: Partner headcount rose +1.1%, Labor and Employment led practice growth at +3.6%, and New Jersey drew 31% of outbound moves.