Harvey, a legal AI startup, has rapidly grown from a $3 billion valuation in February 2025 to $8 billion by late October, driven by its ability to attract major law firms and corporate legal departments. The company now serves 700 clients across 63 countries and has surpassed $100 million in annual recurring revenue. Harvey’s CEO, Winston Weinberg, shares how a cold email to Sam Altman led to significant investment, and how the startup is addressing complex challenges like data privacy and ethical walls. The article highlights the company’s journey, its impact on the legal industry, and its plans for future growth. This is worth reading because it provides an insider look at how AI is transforming legal work and the strategies behind building a successful startup in the tech space. Readers will learn about the challenges and opportunities in legal AI, as well as the steps taken to scale a high-growth startup.
Key facts
- Harvey, a legal AI startup, has seen its valuation surge from $3 billion in February 2025 to $8 billion by late October 2025.
- The company now serves 700 clients across 63 countries, with a majority of the top 10 U.S. law firms among its clients.
- Harvey surpassed $100 million in annual recurring revenue as of August 2025.
- The startup’s CEO, Winston Weinberg, credits a cold email to Sam Altman for securing key investments and partnerships.
- Harvey is working on solving complex issues like data privacy, ethical walls, and multi-jurisdictional compliance for its global operations.
