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 B$15.0MUnprecedented onchain exposure to the world's leading institutional grade private credit managers, including Ares, Apollo, and more.
Series B$12.3MRecurve helps utilities, implementers, and partners transform customer data into reliable, cost-effective demand-side programs built to perform.
Series B$12.1MBuilt to think like a comp expert—trained on your strategy and powered by Compa’s market data to guide every pay decision.
Series B$11.6MFounded by Wei Gan, Ph.D.; the cardiac device maker has raised over $11M, with Qiming Venture Partners among its investors.
Series B$11.1MAccelerating humanity’s galactic destiny
Series B$10.9MSyrna Therapeutics is pioneering a new class of mRNA targeting therapeutics that stop expression of disease-causing proteins
Series B$10.5MBlueNalu, Inc. develops cell-cultivated seafood, beginning with bluefin tuna toro—crafted with care and produced without fishing.
Series B$10.3MLeading the fight against cancer with targeted stem cell and viral therapies that activate the immune system to destroy solid tumors and metastatic disease.