Sandstone

Sandstone is the home for AI-native legal departments. Sandstone centralizes legal knowledge and organizes business context within the tools the business already uses. It unifies legal data, drives end-to-end workflows, and organizes business context to help turn legal into a value driver. 

Core Capabilities

• AI-Driven Intake & Triage: Converts static requests from 30+ integrations like email, Slack, procurement systems, or portals into structured workflows with automated triage and routing.

• Living Legal Playbooks: Transforms legal playbooks into dynamic, AI-powered decision frameworks where positions and fallbacks can be referenced and executed while continuing improve with each use.

• Automation of Routine Work: Automates repeatable tasks like contract drafting, redlining, and compliance reviews, freeing legal teams to focus on strategic work.

• Context Enriched Requests: Integrates business context (e.g., CRM, CLM, ticketing systems) creating visibility into the strategic implications across business units. 

Use Cases

• Automating Legal Intake: Converting ad hoc requests into structured workflows to reduce bottlenecks and ensure nothing falls through the cracks. 

• AI-Powered Triage: Classifying and routing matters automatically (e.g., NDAs, vendor reviews) so routine work is auto-resolved within guardrails.

• Drafting & Review Support: Speeding up drafting, redlining, and review using context-aware templates and AI agents.

• Operational Metrics: Tracking KPIs like cycle time, auto-resolution rates, and benchmarking workload and capacity. 

Funding Information:
Sandstone announced their $10M Seed round in January 2026 led by Sequoia with Kearny Jackson as well as SV Angel, Webb Investment Network, Mantis VC, Antiportfolio Ventures, Daybreak Ventures, Operator Partners, Killer Whale Strategies, over 20 GCs, and F500 founders.