Y Combinator is the leading startup accelerator for entrepreneurs. Since 2005, YC has invested in over 5,400 companies, including Airbnb, Dropbox, Stripe, Reddit, Instacart, DoorDash, and Coinbase. Today, YC has built the most powerful startup community in the world alongside the products and programs to support founders for the life of their company.
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The Y Combinator annual revenue was $16.9 million in 2026.
Tannen Hall is the Co-Founder of Y Combinator.
1,609 people are employed at Y Combinator.
Y Combinator is based in Mountain View, California.
The NAICS codes for Y Combinator are [5259, 525, 5239, 523920, 525910, 52591, 52392, 52, 523].
The SIC codes for Y Combinator are [67, 672].