What they do:
The complete, collaborative workspace for humans and agents
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HQ: Los Angeles, CA, United States
Top AI & Data Startups in California
This list has 1,550 startups and was last updated on Oct 15, 2026. 481 of them are hiring right now. Biggest hubs: San Francisco (1,471), Los Angeles (51), and San Diego (5). Largest teams: Cruise, Relativity Space, and Fivetran. Latest round: Safi Analytics raised $22.4M (Oct 14, 2026).
1,550 startupsPage 28 of 44
What they do:
AI agents to automate corporate transactions
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HQ: San Francisco, CA, United States
What they do:
Forward Deployed Research Services
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HQ: San Francisco, CA, United States
What they do:
The platform for automated hiring and workforce decisions.
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HQ: San Francisco, CA, United States
What they do:
Prompt and Context Optimization for Coding Agents
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HQ: San Francisco, CA, United States
What they do:
AI documentation engineer – test & autoimprove stale product docs
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HQ: San Francisco, CA, United States
What they do:
We help companies win government funding with AI
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HQ: San Francisco, CA, United States
What they do:
Lovable for Chrome Plugins
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HQ: San Francisco, CA, United States
What they do:
The agentic AI Word editor
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HQ: San Francisco, CA, United States
What they do:
AI-native remote operations center for hardware fleets
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HQ: San Francisco, CA, United States
What they do:
Voice AI for medical language translation
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HQ: San Francisco, CA, United States
What they do:
AWS for AI Agents
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HQ: San Francisco, CA, United States
What they do:
The AI Maximalist Software Holding Company
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HQ: San Francisco, CA, United States
What they do:
Outbound Sequencing Infrastructure for Startups
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HQ: San Francisco, CA, United States
What they do:
AI personal assistant for in-home sales
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HQ: San Francisco, CA, United States
What they do:
AI Chat & Stories
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HQ: San Francisco, CA, United States
What they do:
Build internal tools with AI
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HQ: San Francisco, CA, United States
What they do:
AI agents for conversational commerce
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HQ: San Francisco, CA, United States
What they do:
Headless Data Team
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HQ: San Francisco, CA, United States
What they do:
Foundational model research
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HQ: San Francisco, CA, United States
What they do:
AI Employees for Hotels
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HQ: San Francisco, CA, United States
What they do:
Building agents that reads logs and fixes issues on your behalf.
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HQ: San Francisco, CA, United States
What they do:
We turn traditional companies into AI companies
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HQ: San Francisco, CA, United States
What they do:
Agent teams for complex work
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HQ: San Francisco, CA, United States
What they do:
The fastest native app for agentic engineering.
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HQ: San Francisco, CA, United States
What they do:
RWE Generation in minutes
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HQ: San Francisco, CA, United States
What they do:
Simulation Engine for Benchmarking AI Products
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HQ: San Francisco, CA, United States
What they do:
Let your agent build dashboards and reporting.
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HQ: San Francisco, CA, United States
What they do:
AI agents that help you understand your customers' needs
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HQ: San Francisco, CA, United States
What they do:
AI workers for Skilled Nursing and Senior Living Operations
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HQ: San Francisco, CA, United States
What they do:
Building reinforcement learning environments
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HQ: San Francisco, CA, United States
What they do:
All-In-One AI Growth Partner. Built for Trades.
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HQ: San Francisco, CA, United States
What they do:
AI agents for web testing
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HQ: San Francisco, CA, United States
What they do:
We provide hedge funds with information they can trade on
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HQ: San Francisco, CA, United States
What they do:
Sandboxes for AI agents
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HQ: San Francisco, CA, United States
What they do:
Visibility and Controls for Browser Agents
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HQ: San Francisco, CA, United States