Big Law Expansion Wave, Am Law 100 Growth Leaders, and London Becomes the Global Battleground
U.S.-founded law firms are seeing sustained and often double-digit revenue growth in London, highlighting the city’s strategic importance as a global legal hub. Firms like Latham & Watkins, Sidley Austin, and Kirkland & Ellis are leading the charge, with Latham surpassing $1 billion in London revenue and Sidley posting a 30% increase, driven in part by aggressive hiring. Other firms—including Debevoise & Plimpton, Quinn Emanuel Urquhart & Sullivan, and White & Case—also reported strong performance, reinforcing London as a key driver of global growth. Even amid lateral movement and competitive hiring, firms continue to invest heavily in talent and targeted practices, with many viewing London not just as a regional base but as a critical gateway for international business expansion.
MARKET MOVEMENTS
Sidley lands Miami litigator, Jessica Fishfeld, from Greenberg Traurig
Paul Weiss lures litigator, Adam Hoeflich, from Chicago boutique
Two Latham partners, Danielle Conley and Jude Volek, head to Dunn Isaacson Rhee
Akin adds partner, Rory Wellever, from Kirkland in Chicago to head music practice
FIRM SPOTLIGHT - SIDLEY AUSTIN LLP
Sidley Austin is a globally recognized law firm with more than 2,300 lawyers across 21 offices, serving clients in over 70 countries on complex cross-border matters including M&A, litigation, investigations, and regulatory issues. With roots dating back to 1860s Chicago and a transformative 2001 merger with a Wall Street firm, Sidley has built a powerhouse platform spanning industries from energy to technology. The firm is particularly strong in private equity, litigation, and appellate work—arguing over 150 cases before the U.S. Supreme Court since 2010—and is consistently ranked among the top firms globally for cross-border investigations and corporate transactions. Alongside its commercial success, Sidley is deeply committed to pro bono work, focusing on causes such as civil liberties, veterans advocacy, and immigration.
INDUSTRY INSIGHTS
Total gross revenue of Am Law 100 firms in 2025 was $178,946,066,452. The percentage increase in total gross revenue from said firms was 13%
31 firms generated more than $2 Billion in gross revenue in 2025. The top 10 included: 1) Kirkland 2) Latham 3) DLA Piper 4) Gibson Dunn 5) Skadden 6) Sidley 7) Ropes & Gray 8) Baker McKenzie 9) White & Case 10) Simpson
Mintz hit 9.7% revenue growth in 2025 to raise its haul to $767 million. Revenue per lawyer was up by 11.7% to $1.46 million. The firm added nearly 8% more equity partners and PEP rose by 6.9% to $2.75 million. The average income for all partners was up 9.9% to $1.49 million. The firm’s net income rose by 15.3% to $263.7 million
The merger between Hogan Lovells and Cadwalader is creating a firm with roughly $3.9 billion in gross revenue ranking it as the sixth-largest firm by revenue in the current Am Law 100 rankings.
The Legal Industry’s “Gravitational Pull” Toward Consolidation
Drawing a parallel to Albert Einstein’s cosmological dilemma, the legal industry is experiencing rapid expansion alongside an equally strong pull toward consolidation. While revenues across top firms are rising, such as the Am Law 100’s 13% growth in 2025, a wave of mergers suggests firms feel increasing pressure to scale. This is largely driven by a handful of dominant, private capital–focused firms like Kirkland & Ellis and Latham & Watkins, whose outsized growth is reshaping the competitive landscape. As these firms capture disproportionate market share, others are merging not just for opportunity, but out of necessity to remain competitive, highlighting a widening gap where growth is unevenly distributed and standing still risks falling behind.
Billing Rate Hikes Drive Law Firm Profits Amid Rising Pushback
Rising billing rates were a major driver of strong financial performance for the Am Law 100 in 2025, with many firms increasing rates by 7%–10% or more and planning similar hikes in 2026. While rate increases have significantly boosted profitability alongside productivity gains and strong demand, firms are starting to face greater client pushback, longer billing cycles, and growing partner anxiety about continued price escalation. Although most leaders still see pricing as a key lever for growth, some consultants warn that economic uncertainty, shifting deal activity, and broader market volatility could slow or complicate future rate increases.
