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.

RecordBookWinter 2022

Airtable for 400 Million SMBs Globally

RecoverWinter 2021

Government-funded online addiction treatment

RedbeanSummer 2021

Make games and stories with AI

RedBrick AIWinter 2022

Rapid medical data annotation

RefineTrain AIWinter 2022

AI agents rewriting & optimising your internal documentation for LLMs

Reforged LabsWinter 2022

Turn intuition into insights, in minutes

Rehook.aiWinter 2022

Run, Track and manage any and all user incentive campaigns.

Rejoy HealthWinter 2021

AI-powered healthcare information

Remedial HealthWinter 2022

B2B E-commerce & Fintech platform for Pharmacies & Hospitals in Africa

RepacketWinter 2023

Employee security done for you.

ReploSummer 2021

Online commerce for the AI age

RepoolSummer 2021

Modernizing hedge fund back office software and services.

RethoricWinter 2021

LinkedIn content & strategy for founders to get 1M monthly impressions

Rima AI (formerly Garage)Summer 2022

AI powered reporting for small businesses

RinseSummer 2021

We're building the One Medical for dental

RMFGSummer 2021

Autonomous Sheet Metal Factories

RoforcoSummer 2022

Creating viral AI consumer apps and games

RulebricksWinter 2021

Add powerful decision-making capabilities to any automated workflow.

RutterSummer 2019

The Unified API for Business Financial Data

SalaryBookSummer 2021

Mobile first solution for Payroll, employee & expense management

SalaryBox (by Titanmind)Summer 2021

Gusto for India

SamedayWinter 2023

AI sales agents for home service businesses

Samos InsuranceWinter 2022

Accidental Death Insurance for Surgery

SanvivoWinter 2023

Shopify for pharmacies in Europe

SeaboundWinter 2022

Carbon capture equipment for ships

SecodaSummer 2021

Secoda is the AI layer for your Analytics

SeisWinter 2022

Banking 100% in Spanish for the 44 million US Spanish speakers

SeliaWinter 2022

Selia is an online platform connecting individuals with top-quality…

Sendme, IncWinter 2022

On demand provider of meat to households and food businesses

Sensible BiotechnologiesSummer 2021

Unlocking the next generation of mRNA medicines

Serna BioWinter 2021

Genetic Medicine with Small Molecules

ShapeSummer 2021

Get data insights without writing SQL

ShapedWinter 2022

The fastest path to relevant recommendations and search

ShimmerSummer 2021

1:1 ADHD coaching, 5-10X More affordable than alternatives

Shinkei SystemsWinter 2022

Robots for longer-lasting, better-tasting fish at scale.

ShipmatesSummer 2022

Shipping platform for online merchants in the Philippines

SiftlyWinter 2022

Growth OS for your D2C brand

SigmaOSSummer 2021

The new home for your internet 🏡

SigNozWinter 2021

Open source alternative to DataDog

Simplifyd SystemsWinter 2022

We deliver toll-free internet apps

SirkaSummer 2021

Noom for Southeast Asia

SkioSummer 2020

Subscriptions for Shopify

SkyLinkWinter 2022

Travel Management Meets AI

SlopeSummer 2021

The B2B Payments Platform

SNABWinter 2022

A global finance automation platform for complex multi-entity…

SnapCalorieSummer 2021

Single photo nutrition tracking.

SolStarSummer 2022

Buy and send crypto to friends on Discord.

SorabanWinter 2021

AI assistant for accounting firms

SOTERI SKINWinter 2022

D2C Skincare for Eczema

SpadeWinter 2022

Enriched transaction data you can build on

Spark StudioSummer 2021

The most magical personal Voice-Led AI English Learning Buddy for Kids

SphereWinter 2022

AI-powered sales tax, VAT and GST compliance

Spinach AIWinter 2022

Meetings Powered by AI

SpokenSummer 2021

Never overpay online

Spot HealthWinter 2022

At-home diagnostics as a service

StackupSummer 2022

Stackup helps businesses manage their crypto assets.

StafBookWinter 2022

Rippling for Southeast Asia

Stairs FinancialWinter 2022

Find a home you can actually afford

StardexSummer 2021

AI native autonomous ATS + CRM for recruiting firms

Stellar SleepSummer 2023

We help people with chronic insomnia sleep better, using psychology.