Y Combinator Breakthrough Companies

YC has been investing in the later stage rounds of our alumni since 2015. These are the high-growth companies that have received significant additional investment or more in funding from YC. (Learn more about how we compile these lists.)

Discover more YC companies in the Startup Directory and find jobs at the best YC startups on Work at a Startup.

NameRankCompany
Description
StatusBatchHQJobs
Stripestripe.com#1Payments infrastructure for the internet.S09San Francisco, CA, USA; RemoteApply
Instacartinstacart.com#2Same-day grocery delivery and pickup service.S12San Francisco, CA, USA; RemoteApply
DoorDashdoordash.com#3Restaurant delivery.PublicS13San Francisco, CA, USAApply
Coinbasecoinbase.com#4Buy, sell, and manage cryptocurrencies.PublicS12Remote; San Francisco, CA, USAApply
OpenSeaopensea.io#5The world's largest NFT marketplace.W18Remote; New York, NY, USAApply
Fairefaire.com#6A one-stop shop for wholesale.W17San Francisco, CA, USAApply
Brexbrex.com#7The financial operating system for the next generation of business.W17San Francisco, CA, USAApply
Deelletsdeel.com#8Payroll, HR, compliance, perks, and benefits for remote teamsW19Remote; San Francisco, CA, USAApply
Ripplingrippling.com#9Magically Simplify Your HR & ITW17San Francisco, CA, USA; RemoteApply
Gustogusto.com#10Provides growing businesses with everything to take care of their teamW12San Francisco, CA, USA; RemoteApply
GitLabgitlab.com#11A complete DevOps platform delivered as a single application.PublicW15Remote; San Francisco, CA, USAApply
Razorpayrazorpay.com#12A full stack payments and neobanking platform for businesses in India.W15Bengaluru, KA, India; RemoteApply
Scale AIscale.com#13End-to-end solutions for the entire ML lifecycleS16San Francisco, CA, USA; RemoteApply
Fivetranfivetran.com#14The global leader in modern data integration W13Oakland, CA, USA; RemoteApply
Rappirappi.com#15On-demand delivery and financial services for Latin America.W16Bogotá, Bogota, ColombiaApply
Checkrcheckr.com#16A new era of background checks.S14San Francisco, CA, USA; RemoteApply
Zapierzapier.com#17The easiest way to automate your work.S12Remote; Mountain View, CA, USAApply
Monzo Bankmonzo.com#18A bank as smart as your phone.London, England, United Kingdom; RemoteApply
Whatnotwhatnot.com#19Livestream shopping platform and marketplace.W20Remote; Los Angeles, CA, USAApply
Webflowwebflow.com#20Professional website design and publishing platform. S13San Francisco, CA, USA; RemoteApply
Convoyconvoy.com#21The world's most efficient digital freight network.Seattle, WA, USA; RemoteApply
Segmentsegment.com#22Software and APIs to collect, clean, and control customer data.ExitS11San Francisco, CA, USA; Remote
Ironcladironcladapp.com#23Digital contracting platform for legal teams. S15San Francisco, CA, USA; RemoteApply
Podiumpodium.com#24An interaction and payments platform for local businesses.W16Lehi, UT, USA; RemoteApply
Growwgroww.in#25Investing made simple for everyone in India.W18Bengaluru, KA, IndiaApply
Vantavanta.com#26Automated security and compliance for startups.W18San Francisco, CA, USA; RemoteApply
Pavepave.com#27Plan, communicate, and benchmark your compensation in real-time.S20San Francisco, CA, USA; New York, NY, USA; RemoteApply
Snapdocssnapdocs.com#28Snapdocs digitizes real estate closingsW14San Francisco, CA, USA; RemoteApply
Salt Securitysalt.security#29Protects organizations from getting breached through their APIs.W16Palo Alto, CA, USAApply
Zipziphq.com#30The future of B2B spendS20San Francisco, CA, USA; RemoteApply
Boomboomsupersonic.com#31Mainstream supersonic passenger airplanes.W16Englewood, CO, USAApply
Zeptozeptonow.com#3210-Minute Grocery Delivery in IndiaW21MH, India; RemoteApply
Kalshikalshi.com#331st federally regulated exchange where people can trade on eventsW19New York, NY, USA; RemoteApply
Vouchvouch.us#34Insurance and risk management tools for startups.S19San Francisco, CA, USA; RemoteApply
Loblob.com#35Automates and simplifies direct mail and address verification.S13San Francisco, CA, USA; RemoteApply
Mattermostmattermost.com#36Open source developer collaboration platformS12Remote; Palo Alto, CA, USAApply
RevenueCatrevenuecat.com#37Developer tools to easily build in-app purchases and subscriptions.S18Remote; San Francisco, CA, USAApply
Convictionalconvictional.com#38Enabling every company to automate B2B tradeW19Remote; Toronto, ON, CanadaApply
Breadfastbreadfast.com#39Breadfast is your one-stop shop for all grocery needs in 60 mins.S19Cairo, Cairo Governorate, Egypt; RemoteApply
PostHogposthog.com#40Open source product analytics, self-hosted or in the cloud.W20Remote; San Francisco, CA, USAApply

Payments infrastructure for the internet.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S09

Same-day grocery delivery and pickup service.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S12

Restaurant delivery.

Status
Public
HQ
San Francisco, CA, USA
Batch
S13

Buy, sell, and manage cryptocurrencies.

Status
Public
HQ
Remote; San Francisco, CA, USA
Batch
S12

The world's largest NFT marketplace.

Status
HQ
Remote; New York, NY, USA
Batch
W18

A one-stop shop for wholesale.

Status
HQ
San Francisco, CA, USA
Batch
W17

The financial operating system for the next generation of business.

Status
HQ
San Francisco, CA, USA
Batch
W17

Payroll, HR, compliance, perks, and benefits for remote teams

Status
HQ
Remote; San Francisco, CA, USA
Batch
W19

Magically Simplify Your HR & IT

Status
HQ
San Francisco, CA, USA; Remote
Batch
W17

Provides growing businesses with everything to take care of their team

Status
HQ
San Francisco, CA, USA; Remote
Batch
W12

A complete DevOps platform delivered as a single application.

Status
Public
HQ
Remote; San Francisco, CA, USA
Batch
W15

A full stack payments and neobanking platform for businesses in India.

Status
HQ
Bengaluru, KA, India; Remote
Batch
W15

End-to-end solutions for the entire ML lifecycle

Status
HQ
San Francisco, CA, USA; Remote
Batch
S16

The global leader in modern data integration

Status
HQ
Oakland, CA, USA; Remote
Batch
W13

On-demand delivery and financial services for Latin America.

Status
HQ
Bogotá, Bogota, Colombia
Batch
W16

A new era of background checks.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S14

The easiest way to automate your work.

Status
HQ
Remote; Mountain View, CA, USA
Batch
S12

A bank as smart as your phone.

Status
HQ
London, England, United Kingdom; Remote
Batch

Livestream shopping platform and marketplace.

Status
HQ
Remote; Los Angeles, CA, USA
Batch
W20

Professional website design and publishing platform.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S13

The world's most efficient digital freight network.

Status
HQ
Seattle, WA, USA; Remote
Batch
22

Software and APIs to collect, clean, and control customer data.

Status
Exit
HQ
San Francisco, CA, USA; Remote
Batch
S11

Digital contracting platform for legal teams.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S15

An interaction and payments platform for local businesses.

Status
HQ
Lehi, UT, USA; Remote
Batch
W16

Investing made simple for everyone in India.

Status
HQ
Bengaluru, KA, India
Batch
W18

Automated security and compliance for startups.

Status
HQ
San Francisco, CA, USA; Remote
Batch
W18

Plan, communicate, and benchmark your compensation in real-time.

Status
HQ
San Francisco, CA, USA; New York, NY, USA; Remote
Batch
S20

Snapdocs digitizes real estate closings

Status
HQ
San Francisco, CA, USA; Remote
Batch
W14

Protects organizations from getting breached through their APIs.

Status
HQ
Palo Alto, CA, USA
Batch
W16

The future of B2B spend

Status
HQ
San Francisco, CA, USA; Remote
Batch
S20

Mainstream supersonic passenger airplanes.

Status
HQ
Englewood, CO, USA
Batch
W16

10-Minute Grocery Delivery in India

Status
HQ
MH, India; Remote
Batch
W21

1st federally regulated exchange where people can trade on events

Status
HQ
New York, NY, USA; Remote
Batch
W19

Insurance and risk management tools for startups.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S19

Automates and simplifies direct mail and address verification.

Status
HQ
San Francisco, CA, USA; Remote
Batch
S13

Open source developer collaboration platform

Status
HQ
Remote; Palo Alto, CA, USA
Batch
S12

Developer tools to easily build in-app purchases and subscriptions.

Status
HQ
Remote; San Francisco, CA, USA
Batch
S18

Enabling every company to automate B2B trade

Status
HQ
Remote; Toronto, ON, Canada
Batch
W19

Breadfast is your one-stop shop for all grocery needs in 60 mins.

Status
HQ
Cairo, Cairo Governorate, Egypt; Remote
Batch
S19

Open source product analytics, self-hosted or in the cloud.

Status
HQ
Remote; San Francisco, CA, USA
Batch
W20