Best Legal Software for Multi-Office Law Firms in 2026: When Single-Entity Tools Hit a Wall (And the 4 Platforms That Actually Scale)

Most legal software was built for a single-entity firm and bolts on multi-office support after the fact. The seams show fast: separated trust accounts that can't roll up, payroll allocations that don't reconcile, and managing partners running consolidated P&L in Excel. This 2026 buyer's guide compares the four platforms that actually scale to multi-office, multi-entity firms.