Harvey
Legal AI tailored for leading law firms and corporate legal teams worldwide
Website: https://www.harvey.ai/
Cover Block
| Field | Value |
|---|---|
| Name | Harvey |
| Tagline | Legal AI tailored for leading law firms and corporate legal teams worldwide |
| Headquarters | San Francisco, CA |
| Founded | 2022 |
| Stage | Growth / Late Stage |
| Business Model | SaaS |
| Industry | Legaltech |
| Technology | AI / Machine Learning |
| Geography | North America (235 clients across 42 countries reported) |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2): Winston Weinberg, Gabriel Pereyra |
| Funding Label | $100M+ |
| Total Disclosed | Approximately $1B cumulative [TheAIInsider, Mar 2026] |
Links
- Website: https://www.harvey.ai/
- LinkedIn: https://www.linkedin.com/company/harvey-ai
- Careers: https://www.harvey.ai/company/careers
- Support / Help Center: https://help.harvey.ai/
Summary and Signal
Harvey is a domain-specific AI platform built for law firms and in-house legal teams. The company was founded in 2022 by Winston Weinberg, a former securities and antitrust litigator at O'Melveny & Myers, and Gabriel Pereyra, a research scientist with prior stints at Google Brain, DeepMind, and Meta [Wikipedia]; [Digidai, Nov 2025]. Its product orchestrates multiple large language models behind a workflow layer designed for contract analysis, due diligence, compliance, and litigation support, and was one of the first investments made by the OpenAI Startup Fund [Harvey Help]; [TechCrunch, Dec 2025]. Annual recurring revenue reportedly crossed $50 million by February 2025 and reached $100 million by August 2025 [Fortune, Feb 2025]; [AllAboutAI]. Capital has scaled in step: a $300 million Sequoia-led Series D at a $3 billion valuation in February 2025, a $160 million round led by Andreessen Horowitz in December 2025 at $8 billion, and reported talks in early 2026 for a further $200 million at $11 billion [Fortune, Feb 2025]; [TechCrunch, Dec 2025]; [Forbes, Feb 2026]. The business model is enterprise SaaS, sold predominantly to large law firms (28% of the Am Law 100 by 2024) and corporate legal departments [Contrary Research].
Data Accuracy: GREEN -- Confirmed by TechCrunch, Fortune, Forbes, and Wikipedia.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Growth / Late Stage |
| Business Model | SaaS (enterprise seat / subscription) |
| Industry / Vertical | Legaltech, Professional Services |
| Technology Type | AI / Machine Learning (multi-model orchestration) |
| Geography | HQ North America; reported clients across 42 countries |
| Growth Profile | Venture Scale |
| Founding Team | Two co-founders, domain + AI research pairing |
| Funding | $100M+; approximately $1B cumulative reported |
Company Overview
Harvey began with a proof of concept in landlord-tenant law and a cold email to Sam Altman [TechCrunch, Dec 2025]. Weinberg and Pereyra were roommates in Los Angeles when they began experimenting with applying large language models to legal work; Weinberg left O'Melveny & Myers after roughly a year of practice to co-found the company in the summer of 2022 [Wikipedia]; [Forbes]. Harvey became one of the first investments of the OpenAI Startup Fund and used that early relationship to ship a product purpose-built for the way lawyers work [TechCrunch, Dec 2025].
The company is headquartered in San Francisco and has scaled commercially through enterprise contracts with global law firms. The first reference customer was A&O Shearman, which became the first firm to implement Harvey at enterprise scale in December 2022 [Harvey.ai]. By 2024, third-party tracking placed Harvey inside 28% of the Am Law 100 with 235 client organizations across 42 countries [Contrary Research]. Alan Ghelberg joined as CFO in February 2024 [websets.exa.ai].
Milestones since then have come quickly. The Series D in February 2025 valued the company at $3 billion on the back of $50 million ARR; by August 2025 ARR had reportedly reached $100 million; in December 2025 a $160 million round led by Andreessen Horowitz set the valuation at $8 billion; and by February 2026 Forbes reported talks for a further $200 million at $11 billion, subsequently confirmed in March 2026 reporting [Fortune, Feb 2025]; [AllAboutAI]; [TechCrunch, Dec 2025]; [Forbes, Feb 2026]; [SiliconANGLE, Mar 2026]. Cumulative capital raised reportedly reached the $1 billion mark by early 2026 [TheAIInsider, Mar 2026].
Data Accuracy: GREEN -- Confirmed by TechCrunch, Fortune, Forbes, Contrary Research, and Wikipedia.
The Product and the Stack
Harvey markets itself as "the platform built to meet the standards of the world's leading professional service firms," with workflows aimed at contract analysis, due diligence, compliance, and litigation support [Harvey.ai]. The system uses a multi-model architecture: "Harvey leverages different advanced AI Large Language Models (LLMs), each designed with unique strengths," and a router "will break down the request into sub-tasks, select a model to use, then synthesize the outputs" [Harvey Help]. That orchestration layer, combined with proprietary legal knowledge sources and document storage, is the part of the stack Harvey controls directly.
Distribution and infrastructure run primarily through Microsoft Azure, where Harvey publicly launched its professional services platform in collaboration with Microsoft's Data & AI organization [Harvey.ai]. The architecture described in current job listings emphasizes "frontier agentic AI, an enterprise-grade platform, and deep domain expertise," with engineering work focused on "long-horizon (1000+ step) planning agents for mission-critical workflows" [Harvey.ai].
Reported customer outcomes are still early but specific. A&O Shearman has publicly cited staff time savings of two to three hours per week on routine tasks and a roughly 30% reduction in contract review time [Medium]. The company also publishes commentary on the changing economics of legal services, including a shift toward "fixed, subscription, retainer, and value-based models emerging alongside traditional billing," framing Harvey as infrastructure for that transition [Harvey.ai].
Data Accuracy: GREEN -- Confirmed by Harvey.ai, Harvey Help Center, and Medium customer reporting.
Market Research and Opportunity
Legal services is one of the largest professional services markets in the world, and it is also one of the least automated. Global legal services revenue has historically been measured in the high hundreds of billions of dollars annually, and the Am Law 100 alone generates well over $130 billion in annual revenue.
The demand pull is unusually concrete for an AI category. Harvey reports reaching 28% of the Am Law 100 by 2024 and clientele across 42 countries [Contrary Research], and revenue scaled from approximately $50 million ARR in February 2025 to $100 million by August 2025 [Fortune, Feb 2025]; [AllAboutAI]. Customer-cited productivity gains, two to three hours saved per staff member weekly and 30% faster contract review at A&O Shearman, sit at a level of specificity that procurement committees can underwrite [Medium]. Harvey's own commentary points to a structural pricing shift inside law firms toward fixed, subscription, and value-based billing [Harvey.ai].
| Metric | Value |
|---|---|
| ARR (Feb 2025) | $50M+ |
| ARR (Aug 2025) | $100M |
| Am Law 100 penetration (2024) | 28% |
| Client organizations (2024) | 235 across 42 countries |
| Valuation (Feb 2025 → Mar 2026) | $3B → $11B |
Data Accuracy: GREEN -- Confirmed by Fortune, Contrary Research, AllAboutAI, and SiliconANGLE.
The Competitive Field
Harvey is positioned as the horizontal AI platform for elite law firms, competing against point-solution legaltech vendors on one flank and against the foundation-model labs and in-house firm builds on the other.
| Company | Positioning | Stage / Funding | Notable Differentiator |
|---|---|---|---|
| Harvey | Multi-workflow legal AI platform for Am Law and corporate legal | Late stage; ~$1B raised; ~$11B reported valuation | Multi-model orchestration, A&O Shearman flagship, OpenAI Startup Fund relationship |
| Spellbook | AI contract drafting and review copilot inside Microsoft Word | Venture-backed growth stage | Word-native workflow, mid-market and SMB law firm focus |
| Ironclad | Contract lifecycle management with embedded AI | Late stage, well-capitalized | Owns the CLM system of record at large enterprises |
Opportunity
If Harvey executes, the prize is becoming the default AI layer for the global legal profession and, by extension, for the broader professional services economy. Harvey's most ambitious plausible outcome is to become the system of intelligence for legal work the way Bloomberg became the system of intelligence for finance. The company has crossed $100 million ARR within roughly three years of founding [AllAboutAI], reached 28% of the Am Law 100 [Contrary Research], and built a reference deployment at A&O Shearman with measurable productivity outcomes [Medium].
Data Accuracy: GREEN -- Confirmed by Fortune, AllAboutAI, Contrary Research, Harvey.ai, and SiliconANGLE.
Sources
- [Harvey.ai] Harvey | AI platform for legal and professional services | https://www.harvey.ai/
- [Harvey.ai] Meet the team behind our legal AI company | https://www.harvey.ai/company
- [Harvey Help] What AI Models Does Harvey Use? | https://help.harvey.ai/articles/what-ai-models-does-harvey-use
- [Harvey.ai] Harvey Launches AI-Powered Professional Services Platform on Microsoft Azure | https://www.harvey.ai/blog/harvey-launches-ai-powered-professional-services-platform-on-microsoft-azure
- [Harvey.ai] Emerging Trends for the Evolving Business of Law | https://www.harvey.ai/blog/emerging-trends-for-the-evolving-business-of-law
- [Harvey.ai] Staff Product Manager role | https://www.harvey.ai/company/careers/8d092528-2554-42e4-a68b-67307b48e6aa
- [Harvey.ai] Engineering Manager, Product Engineering role | https://www.harvey.ai/company/careers/e2976ecf-f785-4524-8545-bbd519ffdaae
- [Wikipedia] Harvey (software) | https://en.wikipedia.org/wiki/Harvey_(software)
- [TechCrunch, Dec 2025] Legal AI startup Harvey confirms $8B valuation | https://techcrunch.com/2025/12/04/legal-ai-startup-harvey-confirms-8b-valuation/
- [Forbes, Feb 2026] Legal AI Startup Harvey In Talks To Raise $200 Million At $11 Billion Valuation | https://www.forbes.com/sites/iainmartin/2026/02/09/legal-ai-startup-harvey-in-talks-to-raise-200-million-at-11-billion-valuation/
- [Forbes] Harvey | Company Overview & News | https://www.forbes.com/companies/harvey/
- [Forbes] Winston Weinberg profile | https://www.forbes.com/profile/winston-weinberg/
- [Fortune, Feb 2025] Legal AI startup Harvey lands fresh $300 million in Sequoia-led round | https://fortune.com/2025/02/12/legal-ai-startup-harvey-300-million-series-d-funding-3-billion-valuation-sequoia/
- [FT] How a former junior lawyer created a $5bn AI legal start-up | https://www.ft.com/content/49d00498-9a15-4d26-b10c-938bd7e893c6
- [Crunchbase] Harvey company profile | https://www.crunchbase.com/organization/harvey-128b
- [LinkedIn] Harvey company page | https://www.linkedin.com/company/harvey-ai
- [Business Insider, Oct 2025] Harvey's CEO on growing his AI startup | https://www.businessinsider.com/harvey-ceo-grow-legal-startup-winston-weinberg-calendar-audit-hiring-2025-10
- [SiliconANGLE, Mar 2026] Harvey raises $200M at $11B valuation | https://siliconangle.com/
- [AllAboutAI] Harvey ARR milestone reporting | https://www.allaboutai.com/
- [Contrary Research] Harvey research memo | https://research.contrary.com/
- [TheAIInsider, Mar 2026] Harvey cumulative funding reporting | https://theaiinsider.tech/
- [Digidai, Nov 2025] Gabriel Pereyra background | https://digidai.com/
- [Medium] A&O Shearman Harvey deployment outcomes | https://medium.com/
- [websets.exa.ai] Harvey office and team data | https://websets.exa.ai/websets/directory/harvey-offices
Articles about Harvey
- Harvey Is Selling Every Am Law 100 Partner a Faster Contract Review — The legal AI startup hit $100M ARR in August 2025 and is now in talks at an $11B valuation, with A&O Shearman as its anchor reference.