The YC company directory.

169 active Y Combinator companies. Browse by batch, click into any company to read the one-liner, founders, and quick facts. Seoable was built for founders who run companies like these.

AcrelySummer 2025

AI CSR + Dispatch for HVAC

AgentHubSummer 2025

The simulation and evaluation engine for AI agents

AgentMailSummer 2025

API email service provider for AI Agents

AlaraSummer 2025

Procurement Platform for Dental Offices

Albacore Inc.Summer 2025

Autonomous undersea vehicles to deter maritime invasions.

AlterSummer 2025

Secure access control and authorization platform for agent workflows

AmbralSummer 2025

AI-powered Account Managers

AprilSummer 2025

Voice AI Executive Assistant

AsyncSummer 2025

AI-native Linear

AutosanaSummer 2025

AI QA Engineer for Mobile Teams

AutumnSummer 2025

Billing infrastructure for AI

Avelis HealthSummer 2025

We audit medical claims for self-insured employers and health plans.

AventSummer 2025

AI agents for industrial commerce

b-12Summer 2025

Chemical Copilot for Pharma and Biotech

bitrigSummer 2025

Vibe code, test, and deploy Swift apps. All from your iPhone.

Blank BioSummer 2025

RNA-based AI for better drugs and smarter clinical trials.

BootLoopSummer 2025

Firmware in minutes, not months - rigorously tested on real hardware

CacaoSummer 2025

The Global Dollar App for Brazil

CactusSummer 2025

AI inference engine for phones & AI-native devices

CandytrailSummer 2025

AI agents for in-person sales teams, starting with coaching

CareSwiftSummer 2025

AI scribe for Ambulance Reports

Certus AISummer 2025

Replacing the restaurant phone line with Voice AI

Channel3Summer 2025

Database of every product on the internet

ClodoSummer 2025

The AI Real Estate Agent

CloseraSummer 2025

AI employees for commercial real estate

cocreateSummer 2025

AI-native video production software that automates post-production

ComenaSummer 2025

AI agents for distributors and manufacturers to automate order entry.

ContextFortSummer 2025

Helping construction contractors find errors in blueprints

ConvexiaSummer 2025

The world's first AI-maximalist pharma company

CyberdeskSummer 2025

Self learning computer use agent for developers

datafruitSummer 2025

AI DevOps Engineer

Dedalus LabsSummer 2025

Connect any LLM to any MCP tools and create complex agents in minutes.

DeepAware AISummer 2025

Help AI data centers unlock more compute and become more efficient

DeepGroveSummer 2025

Frontier Intelligence. On Any Device.

Design ArenaSummer 2025

World's largest crowdsourced benchmark for AI-generated design

DoeSummer 2025

Autonomous AI workforce for PE roll-ups

DuraniumSummer 2025

Reshoring critical metal production

EdenSummer 2025

Autonomous Marketing AI for Ecommerce Brands

EffiGovSummer 2025

The AI OS for Cities

EmbedderSummer 2025

Coding Agent for Firmware

EpicenterSummer 2025

ChatGPT's memory feature in an open, portable format

F4Summer 2025

Automating compliance checks for engineering drawings

FintoSummer 2025

AI accounting for enterprise finance teams

FlaiSummer 2025

We Bring Customers to Your Dealership

FleetlineSummer 2025

Optimizing fleet planning with data driven algorithms

FlootSummer 2025

Vibecoding platform for non-coders to build serious apps

FluidizeSummer 2025

Helping scientists and engineers run experiments with AI.

FreyaSummer 2025

Voice AI for European Enterprises

FrizzleSummer 2025

AI Grading for Teachers

FulcrumSummer 2025

The agentic debugger for AI systems

GausSummer 2025

AI advisor for retail investors

GhostEyeSummer 2025

The Offensive Security Team that never sleeps.

GhostshipSummer 2025

AI Agents that Find Bugs in Your Product

HeraSummer 2025

AI Motion Designer

HerdoraSummer 2025

Cursor for CUDA

HumoniqSummer 2025

AI-Native BPO for travel & transport

IdlerSummer 2025

Scale AI for reinforcement learning environments.

ImpreziaSummer 2025

The World's First AI Ad Network.

Induction LabsSummer 2025

Training the best computer use models in the world. Automate anything.

InterfereSummer 2025

Next-gen observability that finds & fixes bugs automatically