Longeye Raises $20M in Series A Funding led by N47

Longeye, a San Francisco, CA-based provider of an AI-powered investigative workspace for the justice system, has raised $20 million in a Series A funding round.

The round was led by N47 with participation from Andreessen Horowitz’s American Dynamism practice.

The company will use the funding to expand its business across local, state and federal agencies in the United States.

What is Longeye?

Longeye develops AI software that helps law enforcement agencies, prosecutors and public defenders search and analyse digital evidence collected during investigations.

Read More:AI Startup Vectorial Raises $3M in Seed Funding

Investigations can involve large amounts of information, including phone records, messages, video footage, financial documents and recorded jail calls. Reviewing this evidence manually can take significant time.

Longeye's platform helps investigators search these records and identify relevant information. Its technology is built around the requirements of criminal justice work, with a system called the Faraday Method designed to handle sensitive investigative information.

The company has also filed patents for its citation engine, which links findings to the original messages, documents or recordings. This allows investigators to check the underlying evidence before relying on the results.

How Much Funding Has Longeye Raised?

Longeye has raised $20 million in its Series A funding round.

The company has not disclosed its total funding raised to date or details of any previous funding rounds.

Who Invested in Longeye’s Series A?

N47 led Longeye's $20 million Series A round.

Andreessen Horowitz's American Dynamism practice also participated in the funding.

Why the Funding Matters

Longeye will use the new capital to accelerate its expansion across local, state and federal agencies in the United States.

The company also supports public defenders through its grant programme, extending access to AI assisted evidence review beyond law enforcement and prosecution teams.

Who founded Longeye?

Longeye was founded in 2025 by Guillaume Delepine and Danielle Man.

The company is headquartered in San Francisco, California.

"Every crackdown in America, on fraud, on narcotics, on violent crime, runs on terabytes and terabytes of evidence," said Guillaume Delépine, co-founder and CEO of Longeye. "AI can get investigators through all of it, but only if they stay in control of the evidence and can verify what the system tells them.

"We were giving up so much time combing through jail calls, videos, cell phone downloads, search warrant returns, financial records and spreadsheets," said Lauren Cunningham, a homicide detective with the Oklahoma City Police Department. "Longeye helps our detectives find the few minutes or few pages that matter most in all of that data, and it has turned up valuable evidence we could have missed or would have taken weeks to find.

Market and Business Growth

Longeye serves police departments, sheriff's offices, prosecutors and public defenders. Its platform supports the review of evidence such as phone extractions, warrant returns, jail calls, video recordings, financial records and document collections.

The need for these tools comes as investigators handle growing amounts of digital evidence. According to the figures cited in the company's announcement the FBI recorded nearly $21 billion in internet crime losses in 2025.

What Happens Next?

Longeye plans to use the funding to expand its presence across US government agencies and continue serving investigators and legal professionals.

Its focus remains on helping justice system teams search and analyse digital evidence while keeping findings traceable to their sources. The company also plans to continue making its platform available to eligible public defenders and defence nonprofits through its grant programme.

Read More:AI Startup Watchtower Labs Secures $35M in Seed Funding