Am Law 100 Demand Growth Barely Cracking 2% — Mid-Sized Firms Captured 5% in 2025

Birchrose Associates analysis of the 2026 Am Law 100 data identified a structural demand bifurcation that mid-sized firm managing partners should be reading as a market opportunity: Am Law 100 demand growth barely exceeded 1.5% in some periods of 2025, while midsize and Am Law Second Hundred firms captured nearly 5% demand growth in the latter half of 2025. General counsel are moving routine work downstream as BigLaw billing rates cleared $3,000/hour at the top. The firms capturing that downstream flow are mid-sized practices that can offer senior partner attention, competitive rates, and — increasingly — AI-enabled efficiency that produces quality comparable to BigLaw at a meaningfully lower total cost per matter. For managing partners, the demand bifurcation is the commercial case for AI investment: the volume is moving toward mid-sized firms already; the competitive test is whether their AI-enabled delivery quality is differentiated enough from other mid-sized firms to capture a disproportionate share of the inbound flow.