What they do:
The content engine that wins attention and drives growth.
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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 50 of 103
What they do:
Simple, LLM-first translation and internationalization for software
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HQ: San Francisco, CA, United States
What they do:
Making procurement easy
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HQ: San Francisco, CA, United States
What they do:
Generate a detailed log of everything you've worked on, automatically.
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HQ: San Francisco, CA, United States
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A Disease Focused Biotech, Building Multiple Billion Dollar Drugs
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HQ: San Francisco, CA, United States
What they do:
The open source Cursor alternative
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HQ: San Francisco, CA, United States
What they do:
Organizational productivity suite for companies
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HQ: San Francisco, CA, United States
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Tech and platforms for human creators and the entertainment industry
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HQ: San Francisco, CA, United States
What they do:
Turn the web into structured data
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HQ: San Francisco, CA, United States
What they do:
Compliance guardrails-as-a-service for AI applications
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HQ: San Francisco, CA, United States
What they do:
Automated physician scheduling
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HQ: San Francisco, CA, United States
What they do:
Voice + video AI interviewer
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HQ: San Francisco, CA, United States
What they do:
The best DOCX MCP for agents to edit microsoft word documents
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HQ: San Francisco, CA, United States
What they do:
The complete, collaborative workspace for humans and agents
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HQ: Los Angeles, CA, United States
What they do:
Your AI scheduling assistant for construction
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HQ: San Francisco, CA, United States
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:
Quick-turn bent tube shop for aerospace, energy, industrials
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HQ: Los Angeles, CA, United States
What they do:
Discover your next vacation for less.
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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:
Environments for Long Horizon Work
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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:
Zero code network tracer
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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:
The social network layer for AI apps
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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:
The health coach that texts you first
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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