The YC company directory.

3,760 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.

DeepGroveSummer 2025

Frontier Intelligence. On Any Device.

DeltySpring 2025

AI staff engineer: software architect that leads coding agents

DenSpring 2025

Cursor for knowledge workers

Dench.comSummer 2024

The AI Legal Intake

Design ArenaSummer 2025

World's largest crowdsourced benchmark for AI-generated design

DocketSpring 2025

AI agents for web testing

DoeSummer 2025

Autonomous AI workforce for PE roll-ups

DoublezeroSummer 2024

Platform to build, use, and monetize fully autonomous agents

DuraniumSummer 2025

Reshoring critical metal production

EdenSummer 2025

Autonomous Marketing AI for Ecommerce Brands

EdgediveFall 2024

Understand what your customers are actually saying

EffiGovSummer 2025

The AI OS for Cities

Eloquent AISpring 2025

The AI Operator for Financial Services

EmbedderSummer 2025

Coding Agent for Firmware

EpicenterSummer 2025

ChatGPT's memory feature in an open, portable format

ErgoWinter 2025

AI Agents for Sales Operations

EverestFall 2025

We build AI support engineers for outsourced IT services (MSPs)

Excellence LearningWinter 2025

AI tutor starting with maths and science

ExlaWinter 2025

An SDK to run transformer models anywhere

F4Summer 2025

Automating compliance checks for engineering drawings

FintoSummer 2025

AI accounting for enterprise finance teams

FiraWinter 2025

Agentic AI platform for investment firms

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

Flott HQSpring 2025

AI-native operating system for vehicle fleet management

FlowgladWinter 2020

The payment processor for natural language software

FluidizeSummer 2025

Helping scientists and engineers run experiments with AI.

FrekilSpring 2025

Scale AI for Medical Scans

FreyaSummer 2025

Voice AI for European Enterprises

FrizzleSummer 2025

AI Grading for Teachers

FulcrumSummer 2025

The agentic debugger for AI systems

Galen AISpring 2025

Personal AI healthcare agent, powered by clinical and wearable data.

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

GodelaSpring 2025

AI Physics Engine to replace simulations and prototypes

GolfSpring 2025

Security for enterprise MCP servers.

HABITSpring 2025

Reshaping neighborhood services with robotics.

HarberaWinter 2025

AI Healthcare Provider Credentialing Software

HelixDBSpring 2025

The best database for building AI applications, agents & RAG

HeraSummer 2025

AI Motion Designer

HerdoraSummer 2025

Cursor for CUDA

hudWinter 2025

hud is building evals for the drop-in worker

Human BehaviorSpring 2025

Understand your users beyond the numbers

HumoniqSummer 2025

AI-Native BPO for travel & transport

IdlerSummer 2025

Scale AI for reinforcement learning environments.

Imagine AIFall 2025

AI agent that handles all of your B2B content needs

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

Iron GridSummer 2025

AI Insurance for hardware.

IronLedger.aiSummer 2025

AI agents for property accounting

Janet AISummer 2025

The AI-Native Jira

JanusSpring 2025

Battle-Test AI Agents with Human Simulation

JazzberrySpring 2025

Training LLMs to be expert bug finders

Jeevy FabricationSpring 2025

AI Driven EPC - Weld Fabrication Contractor

KaizenSpring 2025

Integrate instantly with any website.

KalindaSummer 2025

Deep research for class action law firms

KarsaWinter 2025

Stablecoin neobank for emerging markets