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$12.0MModular Medical was founded by Paul DiPerna, who also founded Tandem Diabetes Care in 2005 and invented its t:slim insulin pump; the company is now led by CEO Jeb Besser.
Comparative, Inc. is the legal entity behind DataGPT, a conversational AI data-analytics product founded in 2021 by Arina Curtis and Darren Pegg.
Founded by physician-entrepreneur Remo Moomiaie-Qajar, M.D.; the San Diego biotech has raised $14.4M in funding, including from Partners Investment.
Series A$11.7MExperience the purity of chef-grade Algae cooking oil. Amplifies flavors, more good fats than olive or avocado, highest smoke point and low linoleic acid.
Series A$11.6MFounded by YouTuber Emma Chamberlain; co-CEO Gustav Hossy co-owns Blazar Capital, the European fund that has led all four of the company's funding rounds, totaling about $19.6M.
Series A$11.6MThe AI control plane for discovering, securing, and governing AI agents, MCP servers, and AI applications across your enterprise.
Series A$11.0M