What they do:
Search and automation for engineer-to-order companies
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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 36 of 103
What they do:
Enteprise AI
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HQ: San Francisco, CA, United States
What they do:
The proactive agent that achieves growth goals for businesses, fully…
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HQ: San Francisco, CA, United States
What they do:
Your biopharma team, from molecule design to portfolio strategy
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HQ: San Francisco, CA, United States
What they do:
Entvin is building AI agents specifically designed to support regulatory teams in the life sciences industry. Our platform leverages AI to streamline…
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HQ: San Francisco, CA, United States
Knowtex
Hiring
What they do:
Making doctors 2x more efficient with AI note-taking & charge capture
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HQ: San Francisco, CA, United States
What they do:
Account abstraction wallets as a service
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HQ: Los Angeles, CA, United States
Dill
Hiring
What they do:
Dill helps construction suppliers automate accounts receivable,…
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HQ: San Francisco, CA, United States
YC W23Early stage
What they do:
Unifying how the optical industry does business.
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HQ: Los Angeles, CA, United States
Automat
Hiring
What they do:
Agentic automation that understands context, recovers, and improves.
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HQ: San Francisco, CA, United States
YC W23Growth stage
What they do:
AI-Native Process Mining and Enterprise Transformation Platform
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HQ: San Francisco, CA, United States
What they do:
We help people with chronic insomnia sleep better, using psychology.
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HQ: San Francisco, CA, United States
What they do:
AI for ASIC Design Verification
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HQ: San Francisco, CA, United States
PromptArmor
Hiring
What they do:
LLM Security and Compliance
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
Unified flight software and hardware for the mission of tomorrow
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HQ: San Francisco, CA, United States
What they do:
Helps teams work effectively with AI coding agents.
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HQ: San Francisco, CA, United States
What they do:
Breakthrough medicines unlocking the biology of heme
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HQ: San Francisco, CA, United States
What they do:
CPQ for humans and agents
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HQ: Santa Barbara, CA, United States
What they do:
Generate fast, reliable APIs for any platform
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HQ: San Francisco, CA, United States
What they do:
Ultimate AI Math Problem Solver to Revolutionize Personalized Learning
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HQ: San Francisco, CA, United States
What they do:
Tools for agent verification
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HQ: San Francisco, CA, United States
What they do:
Starbucks app for restaurants
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HQ: San Francisco, CA, United States
What they do:
Gen AI molecular simulations that reproduce wetlab results
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HQ: San Francisco, CA, United States
What they do:
Automating police paperwork
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HQ: San Francisco, CA, United States
What they do:
Faster, more profitable background checks with AI
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HQ: Los Angeles, CA, United States
What they do:
Automating airport baggage handling with robots.
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Stormy runs the office so your crew can run the work.
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HQ: San Francisco, CA, United States
What they do:
AI agents that handles complex billing and revenue
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HQ: San Francisco, CA, United States
What they do:
At-cost preventive health: Labs, Scans, Genetics, Supplements and Rx
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HQ: San Francisco, CA, United States
Emergent
Hiring
What they do:
AI app builder that turns your ideas into monetizable software.
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HQ: San Francisco, CA, United States
YC S24Growth stage
What they do:
Helping hospitals identify and prevent avoidable harm using AI
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HQ: San Francisco, CA, United States
What they do:
The most powerful sandboxes for AI Agents
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HQ: San Francisco, CA, United States
What they do:
AI app builder for creating and launching iPhone apps
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HQ: San Francisco, CA, United States
What they do:
Software for AI-powered traffic lights
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HQ: San Francisco, CA, United States
Partcl
Hiring
What they do:
Design a chip in minutes
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HQ: San Francisco, CA, United States
YC X25Early stage
What they do:
Voice AI teams for medicare agencies.
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HQ: San Francisco, CA, United States