Sandstone
Agent51Agent Readiness: 51/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust94Data Trust: 94/100. Top 25%. Measured by StartupHub.ai. Median 61.AI-powered legal practice management software for law firms.
About
Sandstone offers an AI-powered operating layer for in-house legal departments, designed to coordinate day-to-day operations. Its core product connects documents, companies, and people, mapping legal concepts across all data to manage work through AI agents that understand intent and route tasks automatically. This platform serves in-house legal teams by automating intake, triage, and workflow management.
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Key facts
- Website
- sandstone.com
- Headquarters
- New York, United States
- Founded
- 2021
- Employees
- 35
- Total funding
- $30M (Series A)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 9 Jun 2026 | Series A | $30M | Lightspeed Venture Partners |
Tech stack
Detected on sandstone.com, last scanned 1 Nov 2026. Run your own scan
- Compliance
- GDPR
- Frontend
- Next.js, Tailwind CSS
- Analytics
- Google Tag Manager
- Observability
- incident.io
- CMS / Builders
- Ghost
- CDN
- Vercel
- Email provider
- Google Workspace
Sandstone scores 61. Does yours?
That is its Ahrefs DR: the backlink strength of a domain, on the Ahrefs 0 to 100 scale. Paste your website and you get yours in about a minute.
Frequently asked
Is Sandstone trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Sandstone is 94 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Sandstone raised?
Sandstone has raised a total of $30M in funding. The most recent round on record is Series A.
How many employees does Sandstone have?
Sandstone has approximately 35 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Sandstone
