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.
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$17.8MFounded by Gaurav Sant, a UCLA professor who directs the university's Institute for Carbon Management.
Series A$17.6MPasses allows creators to monetize their content and build direct relationships with their audience through subscriptions, messaging, and exclusive content.
Series B$17.5MSift is the unified observability platform for mission-critical hardware—ingest, store, and analyze telemetry at scale across aerospace, defense, and robotics.
Series A$17.4MFreestyle makes Skin Shield and BambooTek diapers. Founded by parents, Freestyle is focused on technology-driven babycare for parents who want premium performance without the markup. Skin Shield diapers are TCF (Total Chlorine Free) and EWG Verified.
Seed$17.2MUnlock quantum power with BlueQubit's quantum computing software! Seamlessly access and utilize quantum computers for groundbreaking advancements.
$17.1MThe leader in lightweight fiberglass travel trailer design. Experience one of our luxury campers with our unique, flexible Adaptiv™ system.
Series B$17.1MAristaMD empowers primary care providers with excellent specialty care - improving patient outcomes with timely, cost-effective access.