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$7.2MDetect, decipher, and defend against coordinated narratives with PeakMetrics narrative intelligence.
Series A$7.1MLive Data Technologies, led by CEO J. Scott Hamilton, has raised $13.3 million from investors including Entrada Ventures and Tappan Hill Ventures.
Series A$6.7MCellibre, a San Diego biotech founded by CEO Ben Chiarelli in 2019, closed an $11.5M Series A led by Merida Capital Holdings to commercialize lab-cultured (fermentation-based) cannabinoids.
Series A$6.7MQureator provides integrated human disease model and AI platform to evaluate treatment efficacy in complex disease models.
Series A$6.6MPetalfast was founded by cannabis industry veterans Jason Vegotsky and Arun Kurichety and has raised funding from Merida Capital Holdings and family offices to build a sales/distribution network for California cannabis brands.
Series A$6.6MSnail Inc. (video game publisher behind ARK: Survival Evolved) is led by founder and Chairman/CEO Hai Shi and trades publicly on Nasdaq under ticker SNAL.
Elodie Games was co-founded by Riot Games/League of Legends veterans Christina Norman and David Banks, and raised $32.5M in Series A funding backed by Andreessen Horowitz before shutting down in 2025.
Mosh, the brain-health protein bar brand, was co-founded by Maria Shriver and her son Patrick Schwarzenegger, and raised a $13M Series A led by Main Street Advisors.