Southern California's
Startup Directory
Series B$84.3MRebuilding healthcare with AI at the core
Pre-Seed$250KBetter, faster tech vendor research
Series D$833.1MWe provide efficient in-space mobility that moves payloads from low Earth orbit to any destination. Our vehicles deliver rapid, reliable access, reducing costs and timelines to make space operations feasible for commercial, government, and scientific missions.
Series C$80.1MOutpace AI-driven attacks. Unify Digital Risk Protection, Human Risk Management, and Email Security to stop digital threats before they scale, empower your teams to lead your defense, and scale your SOC with agentic AI.
EXPLORE BY CITY
WHAT SOUTHERN CALIFORNIA BUILDS
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.
$3.5MAppTech Payments Corp provides multi-bank payment infrastructure designed for compliance, scale, and operational resilience. Explore the platform, partner program, company, news, FAQ, and contact pages to learn more.
$3.5MKairos Pharma develops novel therapies to combat cancer drug resistance and restore immune response, advancing innovative treatments for cancer patients.
Series B$3.5MThe majority of molecules sequenced are uninformative. Jumpcode Genomics is changing that by helping researchers boost usable NGS data.
Series A$3.5MOpenLight has raised over $84M total, including a $50M Series A-1 round, with investors such as Capricorn Investment Group.
Seed$3.4MCo-founded by Alex Watts, the LA-based startup has raised over $8M, backed by investors including Multicoin Capital.
Founded by AAA gaming industry veterans John Blakely, Matthew Armstrong, Mark Cieslar, and Christopher Sturr, and backed by Menlo Ventures in a $3.4M seed round.
Delilah Dallas is operated by The h.wood Group, the LA-based hospitality company known for celebrity-frequented venues.
Co-founded by Andrew Morris, Eric Brouwer, and Adolfo Velazquez, the company is developing a rapid lung-cancer diagnostic called the verifi LUNG test.