Longeye, a San Francisco-based startup developing AI-powered investigative software for the criminal justice system, raised $20 million in a Series A funding round led by N47, with participation from Andreessen Horowitz’s American Dynamism practice. The funding was announced on October 21, 2026.
Founded in 2025 by Guillaume Delépine and Danielle Man, Longeye provides an AI-powered workspace designed to help law enforcement and justice agencies analyze large volumes of digital evidence. Delépine serves as CEO, while Man is the company’s CTO.
The platform serves police departments, sheriff’s offices, prosecutors, and public defenders. It enables investigators to examine evidence such as jail calls, warrant returns, mobile phone extractions, video recordings, financial records, and documents through a unified investigative workspace.
Longeye uses its proprietary Faraday Method for handling investigative data and has filed patents covering its citation engine, which connects findings to original evidence sources. The company says its platform meets FBI Criminal Justice Information Services (CJIS) Security Policy requirements, allowing agencies to review AI-generated findings against underlying records.
According to the company, more than 50 justice agencies across the United States were using its platform at the time of the announcement. These agencies had conducted more than 2,300 investigations through Longeye, processing over 15 million document pages, 10 million images, and 32,000 hours of audio and video.
The company plans to use the Series A funding to expand adoption among local, state, and federal justice agencies across the United States. It is also expanding its Ambassador Team to support agencies implementing AI-assisted investigative workflows.
Longeye previously raised $5 million in seed funding led by Andreessen Horowitz’s American Dynamism Fund, with participation from Seven Stars Capital and strategic angel investors. The Series A brings its disclosed funding to $25 million.
