Sandstone is an AI-native operating system for in-house legal departments that combines intake and triage, a knowledge repository and contract management (CLM), and agentic workflows that draft, redline and route work using the company's own playbooks. It works inside the tools the business already uses. It is best for general counsel, legal operations and in-house lawyers at scaling companies and enterprises.
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Sandstone
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Requests come in from the systems the business already uses, and Sandstone's agents understand the intent, gather context and route the work to the lawyer with the right expertise and capacity, instead of leaving it in a shared inbox. Each request arrives with a context map: counterparty history, past negotiations, precedent, conversations, urgency and value. The repository connects every company, person, document and past decision in one place, and playbooks are built from the team's existing templates, redlines and policies and improve with use so positions stay consistent. Agentic workflows triage, redline, draft and handle comments using that institutional knowledge while respecting permissions across systems. Reporting aggregates cycle times, risk exposure, capacity and deviation rates so legal operations can benchmark work and report to the business. Sandstone is built for general counsel, chief legal officers, associate and assistant general counsel, practice leads and legal operations professionals. Demos are booked through its website; prices are not published.
What it does
Agents route legal requests to the right owner
Counterparty history and precedent with every request
Companies, people, documents and decisions connected
Built from your templates, redlines and policies
Triage, redline and draft with institutional knowledge
Cycle times, risk exposure and capacity
Who it is for
Case studies
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Pricing details
Starting price
Pricing model
Free version
Sandstone does not publish prices; demos are booked through its website.
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Product interface
Sandstone Interface
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Sandstone has raised $30 million in Series A funding, led by Lightspeed Venture Partners, to build AI-powered tools that give in-house legal teams a shared, searchable layer of institutional knowledge. In-house legal teams have long relied on individual lawyers to retain and apply institutional know

Sandstone, an AI-native legal platform, has appointed Jessica Nguyen as President, Chief Strategy and Legal Officer, effective March 9, 2026. Sandstone, headquartered in New York, made the hire to str
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FAQs
Sandstone does not publish prices on its website. In-house teams book a demo, and pricing is set for the department's size and needs.
Sandstone runs in-house legal work end to end: it takes in requests from business tools, routes them with context, keeps a repository of documents, companies and past decisions, and uses agentic workflows to triage, redline and draft from the team's own playbooks.
Sandstone is built only for in-house legal departments: general counsel, chief legal officers, associate and assistant general counsel, practice leads and legal operations professionals at scaling companies and enterprises.
Sandstone includes a repository and contract management, but describes itself as an AI-native CLM that goes beyond contracts, adding intake, knowledge management and agentic workflows for other legal work.
Its playbooks are built from the team's existing templates, redlines and policies and learn with each use, so the same positions are applied across the organisation whoever handles the work.
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