What they do:
We design and build microbes to make chemicals greener at lower cost.
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HQ: San Francisco, CA, United States
Top Startups in California
This list has 3,698 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (3,173), Los Angeles (197), and San Diego (39). Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Renue Life Sciences raised $250K (Oct 14, 2026).
3,698 startupsPage 19 of 103
What they do:
Advanced manufacturing and distribution solutions (for China-based…
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HQ: Los Angeles, CA, United States
Shape (ShapeScale)
Hiring
What they do:
ShapeScale is a personal 3D scanner and fitness tracker that…
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HQ: San Francisco, CA, United States
What they do:
Building the Operating System for the Concert & Live Events Industry.
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HQ: Los Angeles, CA, United States
What they do:
Complete fare payment platform for public transportation
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HQ: San Francisco, CA, United States
What they do:
Flat-fee patent & trademark counsel with top firm results
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HQ: San Francisco, CA, United States
What they do:
Predictive Explorer and Driller for Critical Metal Deposits
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HQ: San Francisco, CA, United States
What they do:
API for healthcare compliance
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HQ: San Francisco, CA, United States
Matter
Hiring
What they do:
Building the future of reading
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HQ: San Francisco, CA, United States
Compose.ai
Hiring
What they do:
Cut your writing time by 40% with AI-powered autocomplete
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HQ: Carlsbad, CA, United States
What they do:
The modern, open source, self-hosted AI customer support platform
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HQ: San Francisco, CA, United States
What they do:
Saving OPS from SLOPS. Jestor builds internal systems that last.
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HQ: San Francisco, CA, United States
What they do:
Multicurrency account & international payments for businesses
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HQ: San Francisco, CA, United States
What they do:
The smart testing platform that unlocks digital health at home.
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HQ: San Francisco, CA, United States
Sphere
Hiring
What they do:
AI-powered sales tax, VAT and GST compliance
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HQ: San Francisco, CA, United States
What they do:
Voice AI platform purpose-built for contact centers.
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HQ: San Francisco, CA, United States
Vinci Games
Hiring
What they do:
Creating genre-defining multiplayer VR games.
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HQ: San Francisco, CA, United States
Chima
Hiring
What they do:
Building infrastructure tools to help large companies customize their…
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HQ: San Francisco, CA, United States
Ohm
Hiring
What they do:
Ohm helps engineering teams accelerate hardware development & testing.
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HQ: San Francisco, CA, United States
Relace
Hiring
What they do:
Models and infra for coding agents
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HQ: San Francisco, CA, United States
Nectar
Hiring
What they do:
Manage energy cost & usage with AI for facility & sustainability teams
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HQ: San Francisco, CA, United States
SID
Hiring
What they do:
AI research center for retrieval
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HQ: San Francisco, CA, United States
Navier AI
Hiring
What they do:
Agent-Driven Engineering
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HQ: San Francisco, CA, United States
Sonia
Hiring
What they do:
Validated mental health support in your pocket, anytime.
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HQ: San Francisco, CA, United States
CloudCruise
Hiring
What they do:
The developer platform for fast and reliable browser agents
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HQ: San Francisco, CA, United States
Yondu
Hiring
What they do:
Robots to Automate Fulfillment
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HQ: Los Angeles, CA, United States
Artos
Hiring
What they do:
Authoring documents for life sciences in minutes, not months.
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HQ: San Francisco, CA, United States
Indemni
Hiring
What they do:
Cargo Theft and Fraud Prevention Platform
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HQ: San Francisco, CA, United States
Saphira AI
Hiring
What they do:
The Enablement Layer for Physical AI
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HQ: San Francisco, CA, United States
Theseus
Hiring
What they do:
GPS Denied Navigation for Drones
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HQ: San Francisco, CA, United States
Unbound
Hiring
What they do:
Use AI tools without fear of data leakage
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HQ: San Francisco, CA, United States
Willow
Hiring
What they do:
The voice interface replacing your keyboard
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HQ: San Francisco, CA, United States
Abundant
Hiring
What they do:
Agent simulation and RL for researchers
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HQ: San Francisco, CA, United States
Innate
Hiring
What they do:
Personal AI Robots
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HQ: San Francisco, CA, United States
Apolink
Hiring
What they do:
24/7 satellite connectivity in low Earth orbit
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HQ: San Francisco, CA, United States
Confident AI
Hiring
What they do:
The LLM Eval and Observability Platform for AI Quality
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HQ: San Francisco, CA, United States