Adentris
Hiring
What they do:
Real-time AI Compliance & Revenue Integrity for Medical Providers
Quick facts:
HQ: San Francisco, CA, United States
Y Combinator Spring 2025 Startups
This list has 144 startups and was last updated on Oct 15, 2026. 60 of them are hiring right now. Biggest hubs: San Francisco (84), New York (20), and London (13). Largest teams: throxy, Auctor, and Synthio Labs. Latest round: Sygaldry Technologies raised $139M (Apr 14, 2026).
144 startupsPage 2 of 4
Lumari
Hiring
What they do:
AI Digital Workers for Supply Chain
Quick facts:
HQ: San Francisco, CA, United States
Foundation Industries
Hiring
What they do:
We supply hard tech companies with critical components.
Quick facts:
HQ: San Francisco, CA, United States
Aravolta
Hiring
What they do:
Software to monitor, control, and optimize data centers.
Quick facts:
HQ: San Francisco, CA, United States
Text.ai
Hiring
What they do:
Alfi - your group chat with social skills to bring friends closer
Quick facts:
HQ: San Francisco, CA, United States
Theorem
Hiring
What they do:
Program verification so even your systems engineers can vibecode
Quick facts:
HQ: San Francisco, CA, United States
Leeroo
Hiring
What they do:
Organizational Superintelligence
Quick facts:
HQ: London, United Kingdom
What they do:
Secure internal apps. Built by AI in seconds. Powered by your data.
Quick facts:
HQ: San Francisco, CA, United States
Cua
Hiring
What they do:
Give every agent a cloud desktop
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The open-source context layer for data agents
Quick facts:
PgDog
Hiring
What they do:
Scaling engine for PostgreSQL
Quick facts:
HQ: San Francisco, CA, United States
Attune
Hiring
What they do:
Faster builds, zero effort.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Training gyms for computer use and software engineering work
Quick facts:
HQ: San Francisco, CA, United States
Jeevy Fabrication
Hiring
What they do:
AI Driven EPC - Weld Fabrication Contractor
Quick facts:
HQ: Cleburne, TX, United States
What they do:
AI Coworker for Accountants
Quick facts:
HQ: London, United Kingdom
What they do:
AI-Native IP Enforcement Agent
Quick facts:
HQ: San Francisco, CA, United States
Klavis AI
Hiring
What they do:
High Quality Coding & Agentic Data for AI labs
Quick facts:
Scalar Field
Hiring
What they do:
Your Agentic Trading Desk — Building the next era of agentic…
Quick facts:
Hemut
Hiring
What they do:
AI-powered operating system for trucking companies.
Quick facts:
HQ: Fresno, CA, United States
Code Four
Hiring
What they do:
Modernizing the police workflow.
Quick facts:
HQ: San Francisco, CA, United States
Bond
Hiring
What they do:
Your AI Chief of Staff
Quick facts:
HQ: San Francisco, CA, United States
Atlog
Hiring
What they do:
Outbound voice and text AI without a prompt
Quick facts:
HQ: New York, NY, United States
Chestnut
Hiring
What they do:
The first AI mortgage lender
Quick facts:
HQ: San Francisco, CA, United States
Plexe
Hiring
What they do:
Open-source agents to build predictive ML models from a prompt
Quick facts:
HQ: London, United Kingdom
nao Labs
Hiring
What they do:
Open Source Analytics Agent
Quick facts:
Bloom
Hiring
What they do:
Build and share mobile apps in seconds
Quick facts:
Ralo
Hiring
What they do:
AI-Native Mortgage Broker
Quick facts:
HQ: New York, NY, United States
VoiceOS
Hiring
What they do:
Say it and it's done. Voice is the new OS
Quick facts:
HQ: San Francisco, CA, United States
Opusense AI
Hiring
What they do:
AI for Field Inspection Reports
Quick facts:
What they do:
The AI Associate for Litigation Lawyers
Quick facts:
HQ: London, United Kingdom
What they do:
Specialized AI for Every Job
Quick facts:
HQ: San Francisco, CA, United States
Alkali
Hiring
What they do:
The smarter way to estimate steel.
Quick facts:
HQ: Houston, TX, United States
What they do:
The fastest & most scalable graph-vector database on the market
Quick facts:
HQ: London, United Kingdom
What they do:
The data layer for scientific research
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We help you get compliant while you focus on your business.
Quick facts:
HQ: San Francisco, CA, United States
Partcl
Hiring
What they do:
Design a chip in minutes
Quick facts:
HQ: San Francisco, CA, United States
YC X25Early stage