Southern California's
Tech
Startup Directory
Showcasing Southern California's innovation, one startup at a time. Every funded and bootstrapped company, from seed round to first dollar of revenue, tracked as it happens.
Includes SEC Form D filings from the last 3 years, plus all-time totals for companies sourced from YC and news coverage.
Artificial Intelligence
The region's largest single cluster by company count — AI and machine learning threaded through nearly every other industry here, from defense to biotech to entertainment.
Aerospace & Defense
Home to SpaceX, Northrop Grumman, and a new wave of hypersonics and space-infrastructure startups.
Entertainment & Gaming Tech
Hollywood's production infrastructure, live events, and a growing games and creator-tools scene.
Semiconductor Hardware
Qualcomm and Broadcom anchor a chip-design cluster spanning the region.
Medical Technology
A deep biotech research base and a growing bench of medical device and diagnostics startups.
B2B
Business software and services sold to other companies. The largest single category of startup across Southern California, spanning sales tools, vertical operating systems, and everything in between.
Industrials
Manufacturing, hardware, and physical-world operations. Overlaps heavily with the region's decades-old aerospace and defense manufacturing base, now extending into robotics and automated production.
Consumer
Products and apps built directly for individual consumers, drawing on Southern California's media and entertainment base.
Healthcare
Health tech, medical devices, and healthcare services, backed by a decades-old biotech research base and a deep bench of clinical and diagnostics startups.
Fintech
Financial technology: payments, banking, investing, and financial infrastructure.
Education
Education technology and learning platforms built across Southern California.
Real Estate & Construction
Property technology, construction tech, and real estate services.
Series A$7.5MTalino Fintech Foundry helps technology platforms and enterprises launch secure and compliant fintech products faster with MCP-ready and API-enabled infrastructure.
Series A$7.5M
Series A$7.5MDedCool translates fragrance across mediums so that scent is practically applied in your life. We embed fragrance into the items we use most to boost their functionality. DedCool integrates into daily touch points extending our signature scents into mundane products from laundry detergent to car air fresheners
Series A$7.4MFind an independent primary care provider near you who takes your insurance and has real time to listen. Same-day, evening, and Saturday visits in AZ & WA.
Series A$7.3MTranscribed live. Summarised instantly. Tactiq captures every meeting in real time, so you walk out with notes, action items, and summaries ready. Trusted by 1 million users.
Series A$7.3MBioProtonics is a pioneering company focused on advancing diagnostic imaging through its Magnetic Resonance Histopathology (MRH) technology. MRH offers a non-invasive, high-resolution method for analyzing tissue microarchitecture during routine MRI scans. MRH