Code Four
YC X25San Francisco, US · Founded 2025 · 3 employees · Hiring · 3 known investors
Code Four develops AI-powered investigation software for police departments that automates evidence processing and fuses data from body-worn cameras, records management systems, phone dumps, recorded audio, and case files. The platform extracts entities, builds timelines, and generates investigative documents to accelerate criminal inquiries.
AI & Machine LearningGovTechArtificial IntelligenceComputer VisionUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (X25)
Code Four was founded in 2025 by George Cheng and Dylan Nguyen.
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George Chengin𝕏FounderGeorge Cheng studied artificial intelligence, computer science, and brain & cognitive science at MIT.
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Dylan Nguyenin𝕏Co-FounderDylan Nguyen studied applied mathematics and computer science at MIT and is building law enforcement technology.
Investors · 3
Competitors · 2
by search overlapAbel Police18 shared keywordsAbel converts police body camera video into automated police reports, reducing time officers spend on administrative documentation. The software targets patrol officers in US law enforcement agencies.
Truleo14 shared keywordsTRULEO is an AI intelligence platform for law enforcement agencies that connects to existing systems—RMS, CAD, jail calls, body-worn camera footage, OSINT sources, and cell phone data—to search, cross-reference, and surface investigative leads. It generates structured intelligence briefings and reports for patrol officers, detectives, and command staff, and is FBI CJIS compliant.
Companies competing with Code Four for the same Google search keywords, organic and paid, via search-intersection analysis.
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Frequently asked questions
- What does Code Four do?
- Code Four develops AI-powered investigation software for police departments that automates evidence processing and fuses data from body-worn cameras, records management systems, phone dumps, recorded audio, and case files. The platform extracts entities, builds timelines, and generates investigative documents to accelerate criminal inquiries.
- Who founded Code Four?
- Code Four was founded by George Cheng, Dylan Nguyen in 2025.
- Who are Code Four's investors?
- Code Four's investors include Webb Investment Network, Y Combinator, AME Cloud Ventures.
- Where is Code Four headquartered?
- Code Four is headquartered in San Francisco, US.




