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.

AuctorSpring 2025

Automating Enterprise Software Implementations

AutosanaSummer 2025

AI QA Engineer for Mobile Teams

AutumnSummer 2025

Billing infrastructure for AI

Avallon AISpring 2025

AI agents for insurance claims operations

Avelis HealthSummer 2025

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

AventSummer 2025

AI agents for industrial commerce

AxalWinter 2025

The AI Software Architect

b-12Summer 2025

Chemical Copilot for Pharma and Biotech

BearFall 2025

Show up on AI Search Engines

Besimple AISpring 2025

AI powered data annotation

Better AuthSpring 2025

The authentication framework for TypeScript

BezelWinter 2025

Digital AI humans that model clothes for e-commerce brands.

BitBoardSpring 2025

The AI workforce for healthcare operations.

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.

BlinkWinter 2022

Build fully functional apps with AI.

BloomSpring 2025

Build and share mobile apps in seconds

BluejaySpring 2025

The world's first quality assurance agency for voice & text AI.

BondSpring 2025

Building Donna, your AI Chief of Staff

Boost RoboticsSpring 2025

Robots for the inspection and maintenance of data centers

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

CalltreeWinter 2025

Enterprise-grade AI support reps for call centers

CandorWinter 2025

We help companies win government funding with AI

CandytrailSummer 2025

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

CapacitiveSpring 2025

The AI Agent Platform for Knowledge Workers.

CardamonWinter 2025

AI compliance co-pilot for regulated financial businesses

CardinalSummer 2023

The Most Accurate Document Intelligence API

CareSwiftSummer 2025

AI scribe for Ambulance Reports

Cascade SpaceSpring 2025

Deep space communications as a service

CascoSpring 2025

Autonomous security testing for AI systems

Caseflood.aiWinter 2025

the AI inbound sales team for law firms

CedarWinter 2025

The open source copilot for any app

Certus AISummer 2025

Replacing the restaurant phone line with Voice AI

Channel3Summer 2025

Database of every product on the internet

ChestnutSpring 2025

The first AI mortgage lender

ChonkieSpring 2025

Open Source Data Ingestion For AI

chrtSpring 2025

chrt is a logistics platform for time-critical shipping

CladoSpring 2025

Deep Research for People

Claim HealthSpring 2025

The first AI revenue platform for post-acute healthcare

ClarmSpring 2025

Perplexity for internal docs

CleonSpring 2025

AI Agents for Software Implementations

ClideySpring 2025

Documentation made for AI Agents

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

Code FourSpring 2025

Modernizing the police workflow.

ComenaSummer 2025

AI agents for distributors and manufacturers to automate order entry.

ContextFortSummer 2025

Helping construction contractors find errors in blueprints

ContrarioWinter 2025

AI-powered recruiting team for startups

ConvexiaSummer 2025

The world's first AI-maximalist pharma company

CotoolSpring 2025

AI Agents for Security Operations Teams

CrimsonSpring 2025

The AI Associate for Litigation Lawyers

CuaSpring 2025

Docker for Computer-use Agents

cubicSpring 2025

AI-powered code review platform

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