Supio

Supio builds an AI platform for plaintiff law firms, connecting intake, case intelligence, and firm-wide analytics in a single system (Supio Agent). The privately held company, founded in 2021 and headquartered in Seattle, licenses its software to legal practices and is building compliance and data-governance tooling for sensitive matter data. Supio is backed by investors including Sapphire Ventures and Thomson Reuters Ventures and raised a Series B in 2025.