
Sandstone
Sandstone is an AI legal-operations platform that unifies a legal team’s documents, relationships, and workflows.

Overview
Sandstone: AI for In-House Legal Teams
Sandstone is an AI platform for in-house legal departments that unifies the documents, counterparties, decisions, and institutional knowledge a legal team accumulates, then layers AI workflows on top. It handles intake and triage of legal requests across the systems a company already uses, runs agentic drafting and redlining, and maps the relationships and context behind each matter — so the legal team spends less time routing and searching.
It is positioned as legal relationship management: a system of record for how a legal department works, not just a contract repository.
Key Features
- Unified repository of documents, companies, and decisions
- AI intake and triage of legal requests across systems
- Agentic redlining, drafting, and contract workflows
- Counterparty context and relationship mapping
- Cycle-time and capacity reporting
- Integrations with Slack, Salesforce, ServiceNow, and Jira
Ideal Use Case
Sandstone fits in-house legal teams that field a high volume of requests and want to reduce manual intake, drafting, and knowledge-hunting. It suits general counsel and legal-operations leaders who need visibility into capacity and consistency across the department.
How Sandstone differentiates
Sandstone frames itself around legal relationship management — connecting documents, people, and decisions — rather than a single point tool for contracts. It connects to 50+ business systems for intake and is backed by a Series A led by Lightspeed.
FAQ
What is Sandstone? An AI legal-operations platform that unifies an in-house legal team's documents, relationships, and workflows.
Who is it for? In-house legal departments and legal-operations teams.
What can it automate? Intake and triage of requests plus agentic drafting and redlining.
Who backs Sandstone? A Series A led by Lightspeed Venture Partners.
tl;dr
Sandstone is an AI legal-operations platform that unifies documents, relationships, and workflows for in-house legal teams, backed by a Series A led by Lightspeed.
Why Use Sandstone
FAQ

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