Harvey

Harvey is a legal technology company founded in 2022 by Winston Weinberg and Gabriel Pereyra, based in San Francisco. The company focuses on providing AI-powered solutions for law firms and professional service providers, specifically in contract analysis, due diligence, compliance, and litigation.


Harvey has rapidly gained adoption, with over 74,000 lawyers across 700+ clients in 58 countries, including 50% of AmLaw 100 law firms. Prominent companies such as AT&T, Verizon, and KKR are also among its clients.
 

Harvey's platform integrates AI to help legal professionals automate complex tasks, streamline workflows, and improve accuracy. Key features include a domain-specific personal assistant, AI-driven knowledge tools for legal research, secure document storage, and multi-model workflows. These tools aim to help lawyers, in-house teams, and law firms complete work faster and more efficiently.
 

The company has raised significant funding to support its growth. In its early stages, Harvey received backing from OpenAI's startup fund and investors like Elad Gil. In 2023, it raised $23 million in Series A funding, followed by $80 million in a Series B round. By 2024, it secured an additional $100 million in Series C funding, which brought the company's valuation to $1.5 billion. A Series D round in 2025 raised $300 million, increasing its valuation to $3 billion.

Harvey AI, founded in 2022 by Winston Weinberg and Gabriel Pereyra, is a legal technology company based in San Francisco. Weinberg, a former securities and antitrust litigator at O'Melveny & Myers, and Pereyra, a former research scientist at DeepMind and Meta AI, established Harvey to address inefficiencies in legal workflows through artificial intelligence.
 

The company's initial funding came from the OpenAI Startup Fund, along with contributions from investors such as Elad Gil and Sarah Guo. In April 2023, Harvey raised $23 million in a Series A round led by Sequoia Capital. By December 2023, the company secured an additional $80 million in a Series B round, valuing it at $715 million. This funding enabled Harvey to expand its team and enhance its AI-driven platform.

In July 2024, Harvey raised $100 million in a Series C round led by Google Ventures, with participation from OpenAI, Kleiner Perkins, Sequoia Capital, Elad Gil, and SV Angel. This round brought the company's valuation to $1.5 billion. The funds were allocated to accelerate product development and expand market reach.
 

By February 2025, Harvey had raised $300 million in a Series D round led by Sequoia Capital, valuing the company at $3 billion. This funding supported the development of new features and the expansion of its client base.

In June 2025, Harvey secured an additional $300 million in a Series E round, co-led by Kleiner Perkins and Coatue, bringing its valuation to $5 billion. This round aimed to further scale operations and enhance the platform's capabilities.
 

As of October 2025, Harvey AI serves over 500 clients, including 50% of the AmLaw 100 law firms, and has an annual recurring revenue exceeding $100 million. The company's platform offers tools for contract analysis, due diligence, compliance, and litigation, leveraging AI to streamline legal processes and improve efficiency. Harvey's growth and success reflect the increasing adoption of AI in the legal industry, positioning the company as a leader in legal technology.

Harvey’s mission is to transform the legal industry by harnessing the power of artificial intelligence. It aims to provide legal professionals with AI-driven tools that streamline processes, improve accuracy, and boost efficiency. By focusing on contract analysis, compliance, due diligence, and litigation, Harvey helps lawyers reduce time spent on manual tasks, allowing them to focus on strategic decision-making. The company strives to make legal work faster, more accurate, and cost-effective while ensuring that legal expertise is advanced through innovative technology.

Harvey's vision is to be the leading AI solution for the legal and professional services industries. The company envisions a future where AI not only supports but enhances the legal profession, helping lawyers work more effectively and deliver better results. By continuously improving its AI-driven platform, Harvey seeks to reshape legal operations and empower professionals to tackle complex tasks with ease. The aim is to foster a smarter, more efficient legal ecosystem where technology and human expertise combine to drive excellence in legal services.

Harvey has gained significant recognition in the legal and technology industries. It has been acknowledged for its innovative use of artificial intelligence in transforming legal workflows, and its platform is used by some of the world's largest law firms, including 50% of AmLaw 100 firms. Harvey’s success has been highlighted by its rapid growth and the trust placed in its solutions by Fortune 500 companies and top legal professionals globally.

Harvey offers a range of AI-powered products and services designed to help legal professionals work more efficiently and accurately. Its solutions are specifically built for the legal industry, addressing key tasks such as contract analysis, due diligence, compliance, and litigation. Below is a detailed overview of Harvey’s products and services:
 

1. Harvey Assistant- The Harvey Assistant is a domain-specific personal assistant that helps legal professionals delegate complex tasks in natural language. This product allows users to communicate with the AI using simple, everyday language. The Assistant can analyse contracts, draft legal documents, and provide quick answers to legal queries, all while maintaining high accuracy. 

It is designed to work across various practice areas, including corporate law, litigation, and regulatory compliance. By automating these tasks, the Assistant helps reduce the time spent on repetitive work, allowing lawyers to focus on more strategic and high-value activities.

2. Knowledge Vault- The Knowledge Vault is a secure platform for storing and organising legal documents. It allows users to upload, store, and analyse thousands of documents in a centralised location. The Vault leverages generative AI to scan these documents, extract relevant information, and create summaries or redlines. 

This makes it easier for legal professionals to find the information they need quickly, without having to manually sift through large volumes of data. The Vault also supports collaboration, as teams can access and work on documents securely from anywhere, which enhances productivity and reduces delays.
 

3. Legal Research and Knowledge Tools- Harvey provides AI-powered tools to help legal professionals conduct research across various legal domains, including tax, regulatory, and compliance. These tools are capable of answering complex legal and regulatory questions by pulling from a vast database of legal knowledge. 

Harvey ensures that the results are grounded in legal precedent, offering citations for added accuracy. This allows legal teams to quickly obtain the information they need to make informed decisions, without the need for time-consuming manual research.
 

4. Workflows- Harvey's Workflow solutions help legal teams streamline their processes by automating repetitive tasks and guiding them through complex legal workflows. These workflows can be tailored to fit the specific needs of a firm or organisation, ensuring that every step of a project is completed accurately and efficiently. 

Whether it is for contract review, litigation, or compliance tasks, the workflows can automate tasks such as document drafting, due diligence, and compliance checks. By integrating these workflows into daily operations, law firms can significantly reduce the time spent on manual tasks, allowing them to focus on higher-priority work.
 

5. Enterprise Security and Data Protection- Security is a key feature of Harvey’s products. The platform provides enterprise-grade security to protect client data. It includes features like SAML SSO, audit logs, and IP allow-listing to ensure that only authorised users can access sensitive information. Harvey also offers full data sovereignty, allowing clients to control where their data is stored and ensuring compliance with regulations such as GDPR. The platform guarantees that no data uploaded by clients will be used for model training, giving users full control over their information.
 

6. Microsoft Integrations- Harvey integrates seamlessly with Microsoft Office products like Word, Outlook, and SharePoint. These integrations bring the power of AI directly into the tools that legal professionals already use. For instance, users can perform contract reviews, document drafting, and email analysis directly within Microsoft Word, enhancing productivity and reducing the need to switch between different platforms.