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$5.4MOspitek empowers surgical centers with real-time IoT and AI-enhanced solutions, improving workflow efficiency, patient care, and staff coordination. Seamlessly integrate with legacy systems and unlock unparalleled operational visibility with Ospitek’s cutting-edge platform.
$5.4MPowur: Accelerating the adoption of sustainable energy worldwide.
$5.4MComprehensive compliance platform for broker-dealers and fintechs. Automate CAT/CAIS reporting, best execution analysis, trade surveillance, corporate actions, and data reconciliation.
Series B$5.3M
$5.3MCo-founded by James Brailean, previously of Snaptrack (the GPS technology company Qualcomm acquired for about $1 billion), alongside Thilo Hoelscher, inventor of the company's SONAS platform technology.
Seed$5.2MKRNL, Inc. is the legal entity behind Kernel, the Los Angeles brain-technology company founded in 2016 by Bryan Johnson, the entrepreneur who sold Braintree to PayPal for $800 million and later became known for his Blueprint longevity project.
Seed$5.2MCo-founded by Mathieu Bauchy, a UCLA professor whose research the company's technology grew out of; early backers include the Grantham Foundation for the Protection of the Environment.