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 D$5.0MProfessional-Grade Sawhorses, Tool Pouches and Knee Pads for work by ToughBuilt. Strictly for construction workers and electricians who need the best for the job!
Series D$4.9MAs leaders in cathode innovation, we develop materials that drive clean energy solutions. Click here to explore our pioneering work in battery technology.
Series D$4.8MBarcode is a plant-based, adaptogen-powered functional beverage for everyday performance.
Transphorm, co-founded by Umesh Mishra and Primit Parikh and backed by investors including Google Ventures and KKR, was a Nasdaq-listed company (TGAN) that Renesas agreed to acquire in 2024 to expand its GaN power semiconductor business.
Series D$3.0MSandbox Studios is a $30M seed-stage venture fund led by General Partner Jackie Fast that invests exclusively in consumer brands founded or backed by A-list celebrities.
Series D$2.2MThis entity is tied to Emergency Care Partners, which is majority owned by private-equity firm Varsity Healthcare Partners and received a structured equity investment from MidOcean Partners in 2025.
Series D$2.1MZuum Transportation has raised roughly $12.6M in total funding, with backers including Estes Express Lines, Plug and Play Ventures, and SAIC.