What they do:
Create professional proposals, quotes, and documents in seconds.
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Top AI Assistant Startups
This list has 163 startups and was last updated on Oct 15, 2026. 42 of them are hiring right now. Biggest hubs: San Francisco (81), New York (22), and Los Angeles (6). Largest teams: Leena AI, Magic, and Plivo.
163 startupsPage 3 of 5
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Building the definitive all-in-one on-device AI productivity tool
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HQ: Los Angeles, CA, United States
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AI-powered product assistance for modern software teams
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HQ: San Francisco, CA, United States
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Shopify for Homebuilders
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HQ: Boulder, CO, United States
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Intelligent Medical Record Reviews
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HQ: New York, NY, United States
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The Open-Source Alternative to Claude Managed Agents
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HQ: San Francisco, CA, United States
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The full-stack AI financial audit firm
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HQ: San Francisco, CA, United States
What they do:
Let agents talk to your customers
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HQ: San Francisco, CA, United States
What they do:
Create, Share, and Monetize AI Agents
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What they do:
Investment research data for AI agents
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HQ: Singapore
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AI Voice and SMS Agents for Healthcare
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What they do:
AI back office for food product quality teams
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HQ: Los Angeles, CA, United States
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AI Fitness Coach
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HQ: San Francisco, CA, United States
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M&A due diligence platform powered by AI
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What they do:
Open-source AI coworker with memory
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The AI Assistant for Gmail
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HQ: San Francisco, CA, United States
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Open Source React.js Library for AI Chat
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HQ: San Francisco, CA, United States
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A personal EA in your iMessage
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HQ: San Francisco, CA, United States
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Cursor for Email
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HQ: San Francisco, CA, United States
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The AI notepad that knows and works for you
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HQ: Seoul, South Korea
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Lovable for mobile apps
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HQ: Thessaloniki, Greece
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Your Capable Desktop AI Companion
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HQ: Irvine, CA, United States
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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
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An AI bracelet that remembers your day and acts before you ask.
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HQ: San Francisco, CA, United States
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Conversational AI assistants using your knowledge
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HQ: San Francisco, CA, United States
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AI workflow engine for reliable systems
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HQ: New York, NY, United States
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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
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AI assisted documentation for PT/OT/SLP
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HQ: San Francisco, CA, United States
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AI Agent for your personal finances
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HQ: New York, NY, United States
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AI for humans
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HQ: San Francisco, CA, United States
What they do:
Cursor for AI Agents
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