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.

Quero EducationSummer 2016

Quero is an online marketplace for college programs in Brazil. It…

SendbirdWinter 2016

The AI agent that doesn’t just support, it delights.

Sequence BioSummer 2019

Discovering the true signals of disease to power life-changing drugs.

ShoobsWinter 2014

We help you find and book tickets to great entertainment events that…

teaBOTSummer 2015

A robot that makes tea!

TesorioSummer 2015

Tesorio is the cash flow performance platform that helps finance…

TolemiWinter 2017

Data integration & insights for state and local governments

TrueVaultWinter 2014

We make Privacy Software for SMBs.

Women Who CodeSummer 2016

WWCode is a non profit that empowering diverse women to excel in tech.

ApolloSummer 2011

Apollo helps engineering teams accelerate delivery

BackerKitSummer 2012

The only end-to-end crowdfunding platform built for today’s creators

BoardcaveWinter 2022

Building the world’s largest online surf gear store.

CareMessageWinter 2014

Patient engagement for low-income populations

CircuitHubWinter 2012

On-Demand Electronics Manufacturing

CircuitLabWinter 2013

Online circuit simulator and electronic schematic editor.

Double RoboticsSummer 2012

Telepresence robots

Estimote, Inc.Summer 2013

Location intelligence platform

ExperimentWinter 2013

crowdfunding platform for science

FlaviarSummer 2014

Try-at-home service for fine spirits

FlightfoxSummer 2012

A platform to plan, book and manage global and group travel.

FundersClubSummer 2012

Online VC

GreentoeSummer 2014

"Name Your Price" for products

HireArtWinter 2012

Gives businesses everything needed to hire & manage W2 contractors.

InfluxDataWinter 2013

The platform for building and operating time series applications.

Juno College of TechnologySummer 2019

Juno is the university of the future.

LabdoorWinter 2015

Labdoor is building the trusted online drugstore.

Long Term Stock ExchangeSummer 2017

LTSE is an ecosystem for visionary business.

MBXWinter 2014

A global multi-brand beauty and personal care startup.

MTailorSummer 2014

Get measured by your phone in under 30 seconds for perfect fitting…

NewsBlurSummer 2012

NewsBlur is a personalized news reader

One DegreeWinter 2014

One Degree is a nonprofit organization that makes it easy for…

PadletWinter 2013

Papyrus → Parchment → Paper → Padlet

Panorama EducationSummer 2013

Improving education for every student.

PetcubeWinter 2016

Petcube is on the mission to improve lives of pets and pet owners…

PoliglotaWinter 2021

The online language school for Latam, with groups led by an instructor

QventusWinter 2015

We automate operations for hospitals and health systems

RainforestSummer 2012

no-code end-to-end testing that integrates with any CI/CD pipeline

SimplyInsuredWinter 2013

We sell health insurance to small businesses 100% online.

StreakSummer 2011

Streak transforms Gmail into a powerful CRM

StrikinglyWinter 2013

The easiest way to create a beautiful, mobile optimized website.

StyleUpWinter 2013

StyleUp brings effortless joy to getting dressed with daily,…

SuitenessSummer 2016

Book guaranteed connecting rooms and suites at hotels

True LinkSummer 2013

Financial Services for Financial Caregivers.

UpwaveSummer 2012

Marketing analytics for the world's biggest brand marketers

VastrmSummer 2012

Mass customized active apparel. We are building a full turn key…

80,000 HoursSummer 2015

An online guide that tells talented graduates how to maximise the…

AgileMDSummer 2011

Predictive analytics and clinical pathways for hospitals

ClassDojoSummer 2012

Communication app for K-8 teachers, kids, and families

ClearSummer 2014

Fintech SaaS platform for invoices, taxes, wealth management & credit.

ClerkySummer 2011

Makes legal paperwork easy for startups and their attorneys.

DevCycleWinter 2014

Feature Flag Management Built for Developers

EligibleSummer 2012

Insurance Billing APIs for Healthcare Businesses

GiveMeTapWinter 2015

We produce & sell stainless steel water bottles that enables people…

GoCardlessSummer 2011

We’re building the world’s bank payment network.

imgixSummer 2011

The platform for your visual media.

MixRankSummer 2011

Data products for sales, marketing, finance, recruiting, and more.

OneSignalSummer 2011

Engage customers through personalized omni-channel messaging

OpenCurriculumWinter 2014

Helping K-12 teachers and school administrators build awesome…

PlivoSummer 2012

Voice AI Agents for customer engagement, including WhatsApp, SMS &…

RescaleWinter 2012

High Performance Computing Built for the Cloud