Harvey
Editor's pickDomain-specific legal AI for law firms, funds, and enterprises
4.6Enterprise / CustomBest for Funds and counsel automating diligence and transaction document work
Legal AI Diligence Agents
Overview
Harvey builds domain-specific AI for legal and professional services, automating document review, due diligence, contract drafting, and research; more than 25,000 custom agents run on the platform across M&A and transactional workflows. In March 2026 it raised $200M at an $11 billion valuation co-led by GIC and Sequoia, months after a December round at $8 billion.
Key features
- AI document review and due diligence at deal scale
- Contract drafting and redlining assistants
- Custom agents and workflows for transactional practices
- Legal research with citations across jurisdictions
- Enterprise security with firm-specific model isolation
Pros
- Deep legal-domain tuning that generic copilots lack
- Adopted by elite law firms and in-house teams, well-funded roadmap
- Strong fit for M&A diligence and documentation workflows
Cons
- Enterprise pricing is opaque and geared to large teams
- Oriented to legal workflows; not a general deal-team copilot
- Fast-moving product can outpace internal governance