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 C$4.6MXiltriX provides 24/7 live agent monitoring for biotech and biopharma labs and facilities that need to prevent sample loss and maintain compliance.
Series C$3.8MChromaCode is a leading provider of HDPCR™ multiplexing technology for genomic solutions. Our breakthrough platform enables labs, physicians, and patients to access actionable biomarkers faster and more affordably. With HDPCR™, you can get critical and complete data, analyzed with simplicity, without paying for excess information.
Series C$3.7MCertis Oncology Intelligence: predictive AI + advanced cancer models for more insightful data. Translational science, done differently.
Series C$2.1MSAFR Football Helmet Covers reduce the external blunt force that can cause traumatic brain injuries for all ages. Learn more!
Series C$1.2MDiscover delicious and nourishing Oatmilks, Almondmilks, Creamers, Coffees, and other natural, non-GMO beverages from Califia Farms. We’re dedicated to powering your wellness transformation by innovating better forms of nourishment with delicious dairy-free plant-based products.
Series C$1.2MAudio Up was founded by music producer Jared Gutstadt, and its investors have included The Weeknd, Wassim 'Sal' Slaiby, and Larry Rudolph.