Sandstone, the first platform purpose-built to sync in-house legal teams with business stakeholders, today announced its launch and a $10 million seed round led by Sequoia. Sandstone is designed to be the platform for AI-native legal departments.
Sandstone was forged in the fire of shared frustration by a dream team of veterans from the absolute front lines of law and tech – McKinsey, Davis Polk, Google, and Robin AI. They lived the pain of corporate legal: institutional knowledge trapped in people’s heads, endless Slack pings, and the same repetitive work draining the life out of strategic progress. They’re not just solving a theoretical problem; they’re building the exact weapon they wish they’d had in the trenches.
Forget simple chatbots and document search. Sandstone is architecting the new AI command center for in-house legal. It’s an intelligent operating system that doesn’t just store your playbooks – it unleashes them as autonomous “legal agents” that can automate intake, triage workflows, and execute tasks directly within the tools your business already uses. It transforms scattered data into context-in-motion, making your team’s collective wisdom an active, competitive advantage.
Here’s why this launch is so significant:
This matters because it signals a fundamental reinvention of the corporate legal function. For decades, the in-house department has been a necessary but inefficient black box—a reactive cost center drowning in administrative quicksand.
Sandstone isn’t just offering a better shovel to dig out; it’s providing the blueprint and machinery to build an entirely new foundation. By creating a tool for an AI-native legal department, it hardwires intelligence directly into the operational DNA of the team. This isn’t about AI as a feature; it’s about AI as the central nervous system, transforming lawyers from gatekeepers into strategic accelerators for the entire business.
The magnitude of this shift cannot be overstated. This is not a niche product for a small segment of the market; it is a re-architecting of a core business function inside virtually every major company on the planet. By positioning itself as the definitive “operating system” for in-house legal, Sandstone is aiming to become the indispensable platform upon which all legal work is built, managed, and executed. This is a seismic move to turn institutional knowledge, previously a company’s most fragmented and underutilized asset, into its most powerful, active, and intelligent competitive advantage.