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$7.9MCelestial Therapeutics is developing novel therapies based on innovative and groundbreaking science to treat, prevent and cure infectious diseases, rare diseases and cancers.
Seed$7.6MEzra Climate was founded by Dan Rosen and Dori Rutkevitz, who previously helped scale Mosaic, a solar fintech platform that financed over $15B in projects; Ezra raised an $8M seed round for AI infrastructure serving private capital markets.
PointOne Family Office is a Manhattan Beach-based boutique multi-family office and SEC-registered investment adviser managing roughly $327M in assets.
Seed$7.5M3D printed houses for sale — built from recycled plastic in as little as 1 day. See finished homes, ADUs & tiny home models, prices & how it works.
Seed$7.4MHyperion is focused on bringing sustainable energy to market for a better future. The company develops hydrogen fuel cells, energy storage, and advanced mobility solutions.
Seed$7.4MSnag delivers 1,500+ products to college students in 10 minutes. Order snacks, drinks, and essentials from our app.
Seed$7.3MFounded in Ventura, CA by Polish immigrant Kuba Graczyk, the 3D-printed footwear manufacturer raised a $7.2M seed round led by Uncork Capital in 2025.
Seed$7.3MCurb management for cities, airports and fleets. Real-time data. Automated payments. Smart loading zones. Zero emissions delivery zones.