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Build Something People Want

Y Combinator funds and mentors ambitious founders. From seed to demo day, we'll help you build a product customers love and scale your company.

Global Impact Since 2005

Our portfolio companies have shaped industries and changed how business is done.

$600B+

Combined valuation

4000+

Companies funded

50K+

Jobs created

100+

Countries represented

Fast Growth

Companies in our portfolio grow faster and raise follow-on funding more successfully than their peers.

Network Effect

Access to the world's most powerful network of founders, investors, and industry experts.

Proven Process

Our accelerator program has been refined over 15+ years to give founders what they need to succeed.

Why Choose YC?

More than just funding, we provide the tools, resources, and connections founders need to succeed.

$500K

Initial Investment

Standard deal for 7% equity. Additional funding available through pro-rata rights in future rounds.

12 Weeks

Intensive Program

Work closely with YC partners to refine your product, strategy, and pitch through weekly group sessions and 1:1 meetings.

4000+

Alumni Network

Join a powerful network of founders, offering peer support, business opportunities, and invaluable connections.

Deal & Perks Worth $500K+
Office Hours with Experts
Investor Demo Day
Lifetime Founder Support

Our Portfolio Success Stories

From startups to industry giants, we've helped companies reach unprecedented heights.

Airbnb

Airbnb

YC W09

00B+

Valuation

Revolutionized travel accommodation by creating a global marketplace for unique stays.

Stripe

Stripe

YC S09

$95B+

Valuation

Built the new standard for online payments and financial infrastructure.

DD

DoorDash

YC S13

$50B+

Valuation

Transformed local delivery with technology-driven logistics solutions.

235+
Billion-dollar companies
$600B+
Combined portfolio value
93%
Would recommend YC

Founder Stories

Hear directly from founders who transformed their vision into reality with YC.

PG

Patrick Gibson

Founder, TechFlow

"YC was the inflection point for our company. The mentorship and connections we gained were invaluable. We grew 10x in the year following the program."

TF

TechFlow

YC W21

SJ

Sarah Johnson

CEO, HealthTech

"The YC network is unmatched. We found our first enterprise customers and key team members through YC connections. It's been transformative for our growth."

HT

HealthTech

YC S20

ML

Michael Lee

Founder, DataSense

"The structured approach to growth and the focus on building what users want helped us find product-market fit faster than we ever could have on our own."

DS

DataSense

YC W22

Join over 4,000 founders who have transformed their startups through YC

Apply Now

Simple Application Process

From application to acceptance, we've streamlined every step of the journey.

Submit Application

Tell us about your team, product, and vision. Applications are reviewed on a rolling basis.

Time: 1-2 hours
1
2

Interview Process

Selected teams are invited for a 10-minute interview with YC partners.

Time: 10 minutes

Acceptance & Onboarding

Accepted companies receive investment offers and begin YC onboarding process.

Time: 1-2 weeks
3
4

Start Your Batch

Begin your 12-week journey with fellow founders in your YC batch.

Duration: 12 weeks

Ready to Transform Your Startup?

Applications for the next batch are now open. Join the most ambitious founders worldwide.

Startup Resources

Everything you need to build and scale your startup, curated by YC partners and alumni.

Startup Library

Essential readings, playbooks, and guides for every stage of your startup journey.

Browse Library

Startup School

Free online course and lectures from YC partners and successful founders.

Watch Videos

Community Forum

Connect with fellow founders, share experiences, and get advice from the community.

Join Discussion

Newsletter

Weekly insights, founder stories, and startup wisdom delivered to your inbox.

Document Templates

Legal documents, pitch decks, and other startup templates used by YC companies.

Download Templates

Office Hours

Book 1:1 sessions with YC partners and get expert advice on your startup.

Schedule Now

Connect with the YC Community

Join the world's largest community of startup founders, mentors, and investors.

Community

Startup School

Free online program and community helping founders start companies.

Network

YC Network

Connect with YC founders, alumni, and partners in your region.

Events

YC Events

Attend exclusive events, workshops, and demo days with the YC community.

7,000+

Active Founders

$600B+

Combined Valuation

125+

Countries Represented

50,000+

Network Members

Frequently Asked Questions

Get answers to common questions about YC's application process, funding, and programs.

Still have questions?

Contact our support team for help with anything YC related.

Contact Support