What is Supio?
Founded in 2021, Supio provides AI software used for law firms to analyze complex records, summarize depositions, deep dive into witness testimonies or expert reports, and prepare for trials. The platform serves as a force multiplier for legal teams, automating the labor-intensive processes of document review and evidence synthesis. By integrating advanced machine learning models, Supio enables attorneys to extract actionable insights from massive datasets, thereby reducing trial preparation time and enhancing the quality of legal advocacy. The company operates at the intersection of legal tech and generative AI, a sector currently experiencing rapid adoption as firms seek to improve operational efficiency and case outcomes.
How much funding has Supio raised?
Supio has raised a total of $85M across 2 funding rounds:
Series B
$25M
Other Financing Round
$60M
Series B (2024): $25M with participation from Sapphire Ventures, Bonfire Ventures, and Foothill Ventures
Other Financing Round (2025): $60M led by Mayfield, Thomson Reuters, and Sapphire Ventures
Key Investors in Supio
Mayfield
Mayfield is a Menlo Park-based venture capital firm that raises dedicated funds to invest in early-stage technology companies, primarily at seed and Series A, backing enterprise, consumer, and infrastructure founders.
Thomson Reuters
Thomson Reuters empowers professionals with cutting-edge technology solutions informed by industry-leading content and expertise, focusing on informing the way forward for legal and business sectors.
Sapphire Ventures
Sapphire Ventures is a venture capital firm focused on investing in and providing services to technology companies, leveraging deep industry expertise to support scaling enterprises.
What's next for Supio?
With the successful closure of this major strategic investment, Supio is poised to scale its operations and deepen its technological moat. The company is expected to focus on enhancing its natural language processing capabilities to handle increasingly nuanced legal documentation. Furthermore, the involvement of strategic partners like Thomson Reuters suggests a potential for deeper integration into existing legal workflows and broader market distribution. As Supio transitions into this next phase of growth, the focus will likely shift toward enterprise-grade security, scalability, and the expansion of its feature set to support more complex litigation scenarios. The firm remains a key player to watch as it continues to redefine the standards for AI-assisted legal practice.
See full Supio company page
