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$3.9MCo-founded by Imad Izemrane and Ciarra Pardo; NBA star Russell Westbrook joined the company as an investor and resident curator.
Founded by Robert Smithson, who serves as President & CEO; provides AI-based data and monitoring solutions for auto insurance companies.
Seed$3.8MOperates as AlphaLit, founded by Anand Upadhye; raised a $3.2M seed round with angel investors including CLEAR co-founder Ken Cornick and Jason Boehmig.
Seed$3.8MFounded in 2022 by CEO Alex Speiser; backed by investors including Boost VC, Capital Factory, Gaingels, Healthspan Capital, and Mystic Ventures.
Seed$3.8MPrecision fit and fully alignable. Unbelievably durable, versatile and affordable. It’s time for the UniLeg.
Seed$3.7MAervivo enables our Partners to provide community wide Gigabit managed WiFi, delighting the communities they serve and generating an outstanding 100%+ IRR, quickly.