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.
Seed$6.8M
Seed$6.8MLeading the future of the creator economy, Amaze helps creators make products, sell merch online, and increase revenue with cutting-edge commerce solutions.
Seed$6.8MTele911 integrates emergency medicine telehealth and patient navigation into 911 & EMS systems.
Seed$6.6MChannel Robotics was co-founded in 2023 by physician-scientist Dr. Philip Weissbrod and UC San Diego roboticist Dr. Michael Yip, and raised a $4.6M seed+ round led by True Ventures for its handheld endoscopic robotics platform.
Seed$6.6MRypplzz is the 3D positioning infrastructure that transforms telecom networks into spatially intelligent systems, powering the next evolution of the internet.
Seed$6.4MMitico is a carbon-capture company built on technology developed at Caltech, founded in 2022 by Clément Cid, Alan Gu, and Leopold Dobelle; it raised a $4.3M seed round in 2025 led by Exergon.
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Seed$6.3MAquaPoro manufactures water from air for homes and industrial sites with ALMA technology, even in low-humidity conditions.