What they do:
Continuous AI pentesting that finds and fixes vulnerabilities
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HQ: San Francisco, CA, United States
Top Startups in San Francisco
This list has 3,173 startups and was last updated on Oct 15, 2026. 784 of them are hiring right now. Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Modal raised $750M (Oct 14, 2026).
3,173 startupsPage 41 of 89
What they do:
AI clerks that automate your payables
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HQ: San Francisco, CA, United States
What they do:
Large-scale real-world robot & human data for embodied AI
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HQ: San Francisco, CA, United States
What they do:
Expressive conversational AI
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HQ: San Francisco, CA, United States
What they do:
Team chat to command all your company's coding agents
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HQ: San Francisco, CA, United States
What they do:
Insurance risk layer for physical AI
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HQ: San Francisco, CA, United States
What they do:
AI Native Commercial Insurance Brokerage
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HQ: San Francisco, CA, United States
What they do:
Underwrite borrowers around the world in minutes
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HQ: San Francisco, CA, United States
What they do:
AI for Corporate Security Cameras
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HQ: San Francisco, CA, United States
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The AI-Native Immigration Law Firm
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HQ: San Francisco, CA, United States
What they do:
Vanta for hardware
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HQ: San Francisco, CA, United States
What they do:
UI building blocks for the agentic internet
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HQ: San Francisco, CA, United States
What they do:
Anyone can create real games with AI
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HQ: San Francisco, CA, United States
What they do:
Financial infrastructure for the agent economy
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HQ: San Francisco, CA, United States
What they do:
Foundation models for planning orthopedic surgery
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HQ: San Francisco, CA, United States
What they do:
LLM context compression for better accuracy
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HQ: San Francisco, CA, United States
What they do:
Unified prediction markets trading platform
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HQ: San Francisco, CA, United States
What they do:
AI production engineer for regulated industries
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HQ: San Francisco, CA, United States
What they do:
Work with agents that already know you
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HQ: San Francisco, CA, United States
What they do:
AI Agents for Government Affairs
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HQ: San Francisco, CA, United States
What they do:
Frontier AI Defenses for Social Engineering Attacks
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HQ: San Francisco, CA, United States
What they do:
Evals, RL environments and training data for creative tasks
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HQ: San Francisco, CA, United States
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Intelligence for cultural institutions
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HQ: San Francisco, CA, United States
What they do:
Evals for humans
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HQ: San Francisco, CA, United States
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24/7 Personal Health & Longevity Companion
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HQ: San Francisco, CA, United States
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Autonomous operations for industrial distributors
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HQ: San Francisco, CA, United States
What they do:
Platform + FDEs that rebuild enterprises agent-first
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HQ: San Francisco, CA, United States
What they do:
Helping your company find 10x engineers.
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HQ: San Francisco, CA, United States
What they do:
AI Back-Office Automation for Commercial Lenders
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HQ: San Francisco, CA, United States
What they do:
Marketplace for AI agents to hire humans.
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HQ: San Francisco, CA, United States
What they do:
Building the Data Infrastructure layer for Physical AI.
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HQ: San Francisco, CA, United States
What they do:
Extrapolative AI to unlock First-in-Class drugs
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HQ: San Francisco, CA, United States
What they do:
AI nutrition coach in your pocket
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HQ: San Francisco, CA, United States
What they do:
The agentic OS for medical labs
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HQ: San Francisco, CA, United States
What they do:
AI-native CRO for clinical trial operations
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HQ: San Francisco, CA, United States
What they do:
Simulations of real people for market research
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HQ: San Francisco, CA, United States