Manifest OS Just Raised $60M to Build the 'AI-Native Law Firm' — What Mid-Market Firms Should Steal From Its Operating Model (And What They Should Build Differently) in 2026

Manifest OS announced a $60M Series A at a $750M valuation in April 2026 — the largest Series A in legal tech history — and incubated its first law firm in business immigration. Here's what the AI-native operating model gets right, where it breaks down for established mid-market firms, and the unified-platform path that closes the gap without rebuilding from scratch.