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.
Series A$3.8MLumiterra is a brand-new, multiplayer, open-world survival crafting game where you can battle, farm with your friends or mysterious collected creatures in a vast world!
Founded by Robert Smithson, who serves as President & CEO; provides AI-based data and monitoring solutions for auto insurance companies.
Seed$3.8MOperates as AlphaLit, founded by Anand Upadhye; raised a $3.2M seed round with angel investors including CLEAR co-founder Ken Cornick and Jason Boehmig.
Also known as Elevate Dynamics; co-founder Daniel Magy previously founded Citadel Defense Company, a counter-drone defense firm that was later acquired by Blue Halo.
Seed$3.8MFounded in 2022 by CEO Alex Speiser; backed by investors including Boost VC, Capital Factory, Gaingels, Healthspan Capital, and Mystic Ventures.
Seed$3.8MPrecision fit and fully alignable. Unbelievably durable, versatile and affordable. It’s time for the UniLeg.
$3.8MGTR helps home service companies grow with referral software, branded apps, and automated rewards. Turn happy customers into your best lead source.
Co-founded by Jeffrey Port and William Blair; the company was acquired by Merit Medical Systems, expanding Merit's therapeutic oncology portfolio.