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$2.2MAtmosphere Data Centers, led by CEO Chuck McBride, secured a strategic growth investment from global institutional investor AGC Equity Partners in 2025.
Seed$2.2MHauler Hero is a waste management software solution that helps waste haulers improve their operations, increase efficiency, and reduce costs.
Seed$2.1MCPQ for humans and agents
Seed$2.1MKleverness, co-founded by Dan Nurko and Alex Fraind, is backed by investors including Redwood Ventures and Soldiers Field Angels.
Seed$2.1MStreamline your functional health business with Biocanic to get better better scale and outcomes for you and your clients.
Seed$2.1MA California company by this name, making footwear for healthcare professionals, is founded and run by CEO Rob Gregg (identity match not fully certain given no company website on file).
Seed$2.0MLucendi was co-founded by Aydogan Ozcan, a UCLA professor known for his work in computational imaging and AI-enabled diagnostics.
MET Biotechnology, a Culver City developer of extracellular-vesicle therapeutics founded by Ting-Hsiang Wu, came out of UCLA's Magnify Incubator at the California NanoSystems Institute.