Metorial
Hiring
What they do:
Agentic infrastructure to power AI-native companies.
Quick facts:
HQ: Vienna, Austria
Y Combinator Fall 2025 Startups
This list has 145 startups and was last updated on Oct 15, 2026. 54 of them are hiring right now. Biggest hubs: San Francisco (91), New York (17), and London (5). Largest teams: Icarus, Uplane, and Brickanta.
145 startupsPage 2 of 5
Zarna
Hiring
What they do:
AI Associates for Middle-Market Private Equity
Quick facts:
HQ: San Francisco, CA, United States
MSPilot
Hiring
What they do:
Turn AI adoption into a recurring revenue line.
Quick facts:
HQ: San Francisco, CA, United States
Fifth Door
Hiring
What they do:
Create and play games with AI
Quick facts:
HQ: San Francisco, CA, United States
Digipals
Hiring
What they do:
The future of Social in the age of AI
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Unlocking the world’s most valuable data for frontier AI.
Quick facts:
HQ: London, United Kingdom
Aspect
Hiring
What they do:
Intelligent media storage for creative teams.
Quick facts:
HQ: New York, NY, United States
Hypercubic
Hiring
What they do:
Agentic AI for Mainframe Operations and Modernization
Quick facts:
HQ: San Francisco, CA, United States
Nessie
Hiring
What they do:
The shared context layer for recursive companies - your work, your…
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI operating system for home improvement manufacturers
Quick facts:
HQ: New York, NY, United States
What they do:
Qualified leads for agentic workflows.
Quick facts:
HQ: San Francisco, CA, United States
Scott AI
Hiring
What they do:
The planning layer for teams that build with coding agents
Quick facts:
HQ: New York, NY, United States
Sourcebot
Hiring
What they do:
Helping humans and AI agents understand massive codebases
Quick facts:
HQ: San Francisco, CA, United States
Kalpa Labs
Hiring
What they do:
Scaling Generalist Speech models
Quick facts:
HQ: San Francisco, CA, United States
Exonic
Hiring
What they do:
Exonic is an AI-native cell and gene therapeutics company.
Quick facts:
HQ: San Francisco, CA, United States
MadeThis
Hiring
What they do:
The autonomous business platform
Quick facts:
HQ: San Francisco, CA, United States
Rovi Health
Hiring
What they do:
AI healthcare concierge for employees
Quick facts:
HQ: New York, NY, United States
Lightberry
Hiring
What they do:
Robots with soul
Quick facts:
HQ: San Francisco, CA, United States
DiligenceSquared
Hiring
What they do:
AI-powered market due diligence for investment decisions
Quick facts:
HQ: New York, NY, United States
Flick
Hiring
What they do:
We Handle AI. You Direct Films.
Quick facts:
HQ: Santa Barbara, CA, United States
Alder
Hiring
What they do:
AI employees for finance, starting with accounts receivable.
Quick facts:
HQ: San Francisco, CA, United States
Unsiloed AI
Hiring
What they do:
API for parsing multimodal unstructured data
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Intelligence that moves the world
Quick facts:
What they do:
We build micro-drones that kill mosquitoes.
Quick facts:
Lemma
Hiring
What they do:
Production Monitoring for AI agents
Quick facts:
HQ: San Francisco, CA, United States
Layers
Hiring
What they do:
Improve your appearance by measuring, understanding, and tracking…
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Tinder for jobs
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Accelerate Product Iteration
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The fastest way to sell online.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Zero-trust authentication, authorization, and auditing for AI agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Expert STEM reasoning data for frontier AI labs.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI for detecting patent infringements
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Real World Environments and Data for AI
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Humanoid robots that do your chores for the price of an iPhone!
Quick facts:
HQ: London, United Kingdom
What they do:
AI that creates and runs ads, end-end
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Your Personal AI for everyday work. Lives in your texts.
Quick facts:
HQ: New York, NY, United States