What they do:
The AI Assistant for Gmail
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HQ: San Francisco, CA, United States
Top AI Agent Startups
This list has 292 startups and was last updated on Oct 15, 2026. 91 of them are hiring right now. Biggest hubs: San Francisco (151), New York (32), and London (9). Largest teams: Leena AI, Magic, and Plivo. Latest round: Harmonic Security raised $50M (Oct 14, 2026).
Survival statistics →109 open roles →
292 startupsPage 6 of 9
What they do:
Test, monitor, and improve your voice agents
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HQ: San Francisco, CA, United States
What they do:
Open Source React.js Library for AI Chat
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HQ: San Francisco, CA, United States
What they do:
A personal EA in your iMessage
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HQ: San Francisco, CA, United States
What they do:
Cursor for Email
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HQ: San Francisco, CA, United States
What they do:
The AI notepad that knows and works for you
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HQ: Seoul, South Korea
What they do:
AI Agents for E-commerce Customer Support
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HQ: Amsterdam, Netherlands
What they do:
AI-native real estate services firm
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HQ: Los Angeles, CA, United States
What they do:
AI employees trained on your firm's workflows.
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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:
Lovable for mobile apps
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HQ: Thessaloniki, Greece
What they do:
UI building blocks for the agentic internet
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HQ: San Francisco, CA, United States
What they do:
Your Capable Desktop AI Companion
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HQ: Irvine, 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:
The agentic OS for medical labs
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HQ: San Francisco, CA, United States
What they do:
Forward-deployed AI Agents
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HQ: London, United Kingdom
What they do:
A personal or team assistant that works while you sleep
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HQ: San Francisco, CA, United States
What they do:
Roma is the to-do list that does itself
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What they do:
agents for the rest of us
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HQ: San Francisco, CA, United States
What they do:
Organizing company knowledge
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HQ: San Francisco, CA, United States
What they do:
An AI bracelet that remembers your day and acts before you ask.
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HQ: San Francisco, CA, United States
What they do:
Conversational AI assistants using your knowledge
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HQ: San Francisco, CA, United States
What they do:
AI workflow engine for reliable systems
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HQ: New York, NY, United States
What they do:
AI coding copilot engineered for performance
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HQ: San Francisco, CA, United States
What they do:
AI browser copilot for teams
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HQ: Jacksonville, FL, United States
What they do:
Turn your ideas into full-stack apps
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What they do:
Your self-generating, self-maintaining code knowledge base.
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HQ: San Francisco, CA, United States
What they do:
AI assisted documentation for PT/OT/SLP
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HQ: San Francisco, CA, United States
What they do:
AI Agent for your personal finances
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HQ: New York, NY, United States
What they do:
Build a website by chatting with AI
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HQ: San Francisco, CA, United States
What they do:
AI for humans
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HQ: San Francisco, CA, United States
What they do:
Cursor for AI Agents
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What they do:
The personal AI agent that keeps up with your work and life.
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HQ: San Francisco, CA, United States
What they do:
the AI coding app for thinking.
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HQ: San Francisco, CA, United States
What they do:
Automate bug resolution
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HQ: New York, NY, United States
What they do:
AI Agent for DevOps Workflow Automation
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HQ: New York, NY, United States