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$900KBluon provides indispensable technical data and support to the HVAC professional industry via our proprietary database and AI platform to increase productivity and provide a clear competitive advantage for our users and partners.
Series B$865KMake a hard decision, end to end.
Series B$844KWe offer portable pitching mounds, portable game pitching mounds, portable practice pitching mounds, regulation game mounds, and fiberglass game mounds for Little Leagues, Babe Ruth and Senior Leagues in Iowa, Texas, California and the entire U.S.
Series B$750KGenseeAI, an AI agent infrastructure startup, was co-founded by UC San Diego professor Dr. Yiying Zhang and former Google tech lead Dr. Shengqi Zhu, and is backed by Two Small Fish Ventures.
Series B$714KBeauty elevated. Elevai offers high-performance skin and hair care products with potent Cell Zero Exosomes™ delivering visible anti-aging results.
Series B$700KChefs Life was created in early 2021 by celebrity chef Brian Malarkey (a Top Chef alum and San Diego restaurateur).