Legal AI

AtlasAI

Est. 2024 HQ New York, NY Employees 11-50 Updated 2026-03-19
What it is

AtlasAI (atlas-ai.io) is a legal AI platform founded in 2024 by Stephen Costigan (Director). Company: AtlasAI OS Corporation, New York. Described as ‘Self Learning AI for Lawyers’ — a unified legal-knowledge-graph platform that helps attorneys review faster, draft smarter, and analyze complex agreements. Features include contract analysis (hidden clause detection in M&A), AI-powered document review, document generation, eDiscovery workflows, AI agents, and iManage integration. Has an enterprise product site (enterprise.atlas-ai.io) and launched Atlas Frontier Labs (research initiative, Nov 2025). Participated in ILTACON 2025 Startup Hub. $201K seed round raised Dec 2025 (per Tracxn). Very early stage — founded 2024, minimal traction data. Listed on DreamLegal. NOTE: Different from Atlas AI PBC (atlasai.co, Palo Alto) which is a geospatial/satellite data company — different company entirely. Stephen Costigan has been actively posting about legal AI topics on LinkedIn with demos and use cases.

Company Info

  • Founded: 2024
  • HQ: New York, NY
  • Founder: Stephen Costigan (Director)
  • Company: AtlasAI OS Corporation
  • Funding: $201K seed (Dec 2025)

What We Haven’t Verified

  • Customer base and adoption metrics
  • Technical architecture (LLMs, knowledge graph implementation)
  • Pricing
  • Security certifications
  • iManage integration depth
  • No independent reviews found
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