Harvey AI — Startup Profile

The operating system for legal and professional services

HQ: San Francisco, CA, United States | Founded: 2022 | Employees: 900-1,000 | Stage: Late Stage VC | Website: https://www.harvey.ai

About

Harvey AI is an enterprise legal AI platform that provides domain-specific artificial intelligence for law firms and corporate legal departments. Founded in 2022 by Winston Weinberg, a former securities litigator at O'Melveny & Myers, and Gabriel Pereyra, a former research scientist at Google DeepMind and Meta, Harvey streamlines workflows including contract analysis, due diligence, compliance, litigation, and legal research. The platform runs on a multi-model architecture spanning OpenAI, Anthropic, and Google models, plus Harvey's own proprietary model (Tenet) post-trained for legal reasoning. As of September 2026, Harvey states that 80% of the AmLaw 100 and 5 of the Fortune 10 use the platform; reported customers include A&O Shearman, PwC, CMS, Paul Weiss, Macfarlanes, KKR, Bridgewater Associates, Comcast, and Carvana.

The company differentiates through deep enterprise integration: custom AI agents built per firm (25,000+ deployed), embedded legal engineering teams inside client organizations, and a LexisNexis content alliance providing citation-validated legal research. An Everlaw partnership announced August 2026 (MCP integration, expected for joint customers in fall 2026) extends the platform into litigation e-discovery. Harvey's per-seat licensing reportedly ranges from roughly $399 to $2,400/seat/month with a 20-seat minimum and 12-month term, though Harvey says third-party pricing estimates are unreliable. Third-party reporting put annualized revenue above $350M as of mid-2026; Harvey does not disclose revenue.

Harvey has raised about $1.7 billion across announced rounds from Sequoia Capital, GIC, Andreessen Horowitz, Kleiner Perkins, Coatue, OpenAI Startup Fund, Google Ventures, EQT, Diffusion, and Lightspeed, among others. Its largest disclosed round closed September 9, 2026 — $550M at a $15.5B valuation co-led by new investors Diffusion and Lightspeed, with Sapphire Ventures and Whale Rock also joining. The Harvey II platform, launched August 2026, introduces persistent Memory and Spaces, enabling agents to carry matter context and lawyer preferences across tasks. 2026 acquisitions include Hexus (product demos), Lume AI (data integration), and Benchmark (investment platform).

The Take

Harvey AI is the dominant enterprise legal AI platform, having scaled to a confirmed $15.5B valuation (closed September 2026 with a $550M round co-led by new investors Diffusion and Lightspeed) by embedding deeply into AmLaw 100 firms with custom AI agents, proprietary legal models, and dedicated engineering teams inside client organizations. Its multi-model architecture, LexisNexis content alliance, first proprietary post-trained model (Tenet), Everlaw MCP evidence integration, and 2026 acquisitions (Hexus, Lume AI, Benchmark) position it as the infrastructure layer for the $1 trillion legal services market.

Key Metrics

Latest Valuation: $15.5B (confirmed Sept 2026)
Last Confirmed Round: $550M (Sept 2026, Diffusion + Lightspeed)
Total Funding: $1.7B+ (sum of announced rounds)
ARR: $350M+ annualized (reported, mid-2026)
Headcount: ~900-1,000 (estimates range 500-1,300)
Customers: 1,300+ organizations in 60+ countries
Lawyers on Platform: 100,000+ (Mar 2026); 80% of AmLaw 100
Founded: 2022

Funding Rounds

Round: $550M (2026-09-09) — Diffusion, Lightspeed Venture Partners
Round: $200M (2026-03-25) — GIC, Sequoia Capital
Round: $160M (2025-12-01) — Andreessen Horowitz
Round: ~$59M (€50M) (2025-10-01) — EQT Growth
Round: $300M (2025-06-01) — Kleiner Perkins, Coatue
Round: $300M (2025-02-01) — Sequoia Capital
Round: $100M (2024-07-01) — Google Ventures
Round: $80M (2023-12-01) — Kleiner Perkins, Elad Gil
Round: $21M (2023-04-01) — Sequoia Capital
Round: $5M (2022-07-01) — OpenAI Startup Fund

Key People

Winston Weinberg
Gabriel Pereyra
Anique Drumright
Siva Gurumurthy
John Haddock
John LaBarre
Steve Zad
Keith Enright
Alan Ghelberg
Devin Knauft
Rachel Hepworth

Key Competitors

Thomson Reuters CoCounsel —
LexisNexis Lexis+ AI —
Legora —
Clio —
Ironclad —
Spellbook —
Luminance —

Timeline Highlights

2026-09-09: Harvey raises $550M at $15.5B valuation
2026-08-27: Winston Weinberg named to TIME100 AI
2026-08-25: Everlaw MCP partnership announced
2026-08-20: Harvey Tenet model announced
2026-08-18: Harvey II launched
2026-08-07: Reports of $500M raise at $15.5B valuation
2026-08-04: Steve Zad joins as CRO
2026-07-28: Goldman Sachs and JPMorgan AM investment
2026-07-01: Acquisition: Benchmark
2026-05-01: ARR reaches $300M
2026-03-25: Series G: $200M co-led by GIC and Sequoia
2026-03-01: Acquisition: Lume
2026-02-01: Brand partnership with Gabriel Macht
2026-01-15: Acquisition: Hexus
2026-01-01: ARR reaches $190M
2025-12-01: Growth round: $160M led by Andreessen Horowitz
2025-10-01: EQT Growth investment: ~$59M
2025-08-01: ARR surpasses $100M
2025-06-01: Series E: $300M led by Kleiner Perkins and Coatue
2025-02-01: Series D: $300M led by Sequoia Capital
2024-12-01: LexisNexis alliance announced
2024-07-01: Series C: $100M led by Google Ventures
2023-12-01: Series B: $80M led by Kleiner Perkins and Elad Gil
2023-04-01: Series A: $21M led by Sequoia Capital
2023-03-15: PwC strategic alliance announced
2023-02-15: A&O firm-wide rollout announced
2022-11-01: Allen & Overy pilot begins
2022-07-01: Harvey founded by Winston Weinberg and Gabriel Pereyra

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