HockeyStack
Hiring
What they do:
The operating system for inbound B2B revenue
Quick facts:
HQ: San Francisco, 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 4 of 44
What they do:
Sourceress is an AI recruiter that is reinventing how people find jobs. With tailor-made machine learning models, we rigorously define what a company is…
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HQ: San Francisco, CA, United States
Spellbrush
Hiring
What they do:
Making Anime Real
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HQ: San Francisco, CA, United States
Bunkerhill Health
Hiring
What they do:
Bunkerhill is a long-horizon agent for health systems
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HQ: San Francisco, CA, United States
Recall.ai
Hiring
What they do:
The API to get recordings, transcripts, and metadata from meetings
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HQ: San Francisco, CA, United States
What they do:
AI-powered content creation infrastructure for apps
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HQ: San Francisco, CA, United States
What they do:
Open-source, serverless vectordb for production-scale generative AI
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HQ: San Francisco, CA, United States
Truewind
Hiring
What they do:
AI-Powered Accounting
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HQ: San Francisco, CA, United States
Hyperbound
Hiring
What they do:
Revenue Activation Platform
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HQ: San Francisco, CA, United States
Outset
Hiring
What they do:
AI-powered user interviews
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HQ: San Francisco, CA, United States
Giga
Hiring
What they do:
AI Support Agent for Enterprises.
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HQ: San Francisco, CA, United States
What they do:
AI code review agent with complete context of your codebase
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HQ: San Francisco, CA, United States
Reducto
Hiring
What they do:
The complete agentic document platform
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HQ: San Francisco, CA, United States
Alex
Hiring
What they do:
Alex is the AI recruiter for hiring great people.
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HQ: San Francisco, CA, United States
AfterQuery
Hiring
What they do:
Applied research lab curating data solutions for foundation model…
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HQ: San Francisco, CA, United States
Metriport
Hiring
What they do:
Healthcare data infrastructure for next generation care delivery.
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HQ: San Francisco, CA, United States
What they do:
AI that finds the right buyers and books sales meetings
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HQ: San Francisco, CA, United States
Synthio Labs
Hiring
What they do:
Agentic AI platform for Pharma GTM teams
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HQ: San Francisco, CA, United States
Two Dots
Hiring
What they do:
AI fraud prevention and underwriting agent
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HQ: San Francisco, CA, United States
What they do:
Real-World Data for Health Innovation
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HQ: San Francisco, CA, United States
Uplane
Hiring
What they do:
Replace marketing agencies with AI
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HQ: San Francisco, CA, United States
What they do:
AI Super-Apps to Live Easier | The anything anytime superapps…
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HQ: Los Angeles, CA, United States
What they do:
Empowering women. Period.
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HQ: San Francisco, CA, United States
What they do:
A new kind of power for finance teams
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HQ: San Francisco, CA, United States
Atomic
Hiring
What they do:
API that lets companies embed investment accounts into their services
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HQ: San Francisco, CA, United States
Mach9
Hiring
What they do:
AI CAD Software for Civil Engineering
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HQ: San Francisco, CA, United States
Invert
Hiring
What they do:
Data analytics software for biomanufacturing.
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HQ: San Francisco, CA, United States
Polymath Robotics
Hiring
What they do:
General Autonomy for Industrial Vehicles
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HQ: San Francisco, CA, United States
mdhub
Hiring
What they do:
AI-native operating system for behavioral health clinics.
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HQ: San Francisco, CA, United States
Ember
Hiring
What they do:
AI RCM. Increase net revenue by 16%.
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HQ: San Francisco, CA, United States
Harper
Hiring
What they do:
AI-native commercial insurance brokerage
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HQ: San Francisco, CA, United States
What they do:
The Javascript framework for building AI agents, from the Gatsby devs
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HQ: San Francisco, CA, United States
What they do:
Mass-produced AI strike systems and Counter-UAS
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HQ: San Francisco, CA, United States
What they do:
Handl converts documents (invoices, income stabs, custom forms, etc.)…
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HQ: San Francisco, CA, United States
HUD
Hiring
What they do:
Platform and marketplace for RL environments and AI data
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HQ: San Francisco, CA, United States
What they do:
Replika is an AI friend that you can talk to designed to make you…
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HQ: San Francisco, CA, United States