Southern California's
Tech
Startup Directory
Showcasing Southern California's innovation, one startup at a time. Every funded and bootstrapped company, from seed round to first dollar of revenue, tracked as it happens.
Includes SEC Form D filings from the last 3 years, plus all-time totals for companies sourced from YC and news coverage.
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$5.5MThe all-in-one youth sports management software for registration, payments, scheduling, player development, and communication. Run your whole org in one app.
Seed$5.4MAutomate compliance in life science regulated markets.
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.
Seed$5.2MCreative teams can share and edit files without uploading, syncing, or worrying about cloud storage limits.
Also known as FuturHealth, this San Diego weight-loss company was co-founded and is led by CEO Luke Mahoney.
Seed$5.0MFounded and led by Christopher Nero, a San Diego-based finance professional with over 35 years of experience who is also an active private investor in the fintech industry.
Seed$5.0MCo-founded by CEO Sam Alworth and Dr. Qing Liu; this ALS/FTD biotech was awarded $7.5M in grant funding from California's stem cell agency (CIRM) toward its first human trial, on top of earlier NIH and DOD funding.