Southern California's
Startup Directory
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Early StageCosight builds always-connected telehealth devices — cellular- and satellite-ready — for video consultations and remote patient monitoring, with real-time translation and integration with FDA-approved medical devices, aimed at hospitals and healthcare providers.
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.
Seed$1.2MBlind Barrels offers a unique blind whiskey tasting experience delivered to your door. Discover craft distilleries & savor rare, small-batch spirits.
Series A$1.2MWe build high-completion learning programs using educational creators. Financial literacy, career skills, and benefits education that employees actually finish.
Seed$1.2MONDA is a private members-club platform founded by Luca Del Bono, connecting members to private, health, and business clubs and experiences worldwide.
Seed$1.2MCalico Building Services is a leading nationwide provider of commercial janitorial, repair, maintenance and construction services.
Seed$1.2MWelcome to Compulsion Games!
$1.2MDiscover delicious and nourishing Oatmilks, Almondmilks, Creamers, Coffees, and other natural, non-GMO beverages from Califia Farms. We’re dedicated to powering your wellness transformation by innovating better forms of nourishment with delicious dairy-free plant-based products.
$1.2MAudio Up was founded by music producer Jared Gutstadt, and its investors have included The Weeknd, Wassim 'Sal' Slaiby, and Larry Rudolph.