Insights

Investment Network Leverage YC’s extensive startup portfolio and investor connections to identify high-potential founders across fintech, AI, and health tech sectors, enabling targeted outreach for accelerator programs, seed or growth funding, and strategic partnerships.

Strategic Funding Position offerings around YC-aligned funding rounds and exposure, highlighting YC-backed exits and unicorn trajectories to attract portfolio companies seeking follow-on investments, advisory support, or co-investment opportunities.

Global Collaboration Capitalize on YC’s international seed activity and notable global exits to approach cross-border startups for market expansion services, international mentorship, and multi-region go-to-market strategies.

Tech Stack Alignment Offer tooling and services that integrate with YC’s tech stack (Mixpanel, Pendo, GitLab CI, Figma, Trustpilot, Vimeo) to enhance product analytics, user engagement, CI/CD pipelines, design collaboration, and customer feedback loops.

Talent & Mentorship Promote talent development, founder coaching, and mentorship programs to YC portfolio companies aiming to accelerate hiring, leadership development, and go-to-market execution through proven guidance and networks.

Similar companies to Y Combinator

Y Combinator Tech Stack

Y Combinator uses 8 technology products and services including Mixpanel, Pendo, GitLab CI, and more. Explore Y Combinator's tech stack below.

Media & News

Y Combinator's Email Address Formats

Y Combinator uses at least 4 email formats:
Y Combinator Email FormatsExamplePercentage
First@ycombinator.comJohn@ycombinator.com
83%
FLast@ycombinator.comJDoe@ycombinator.com
8%
FL@ycombinator.comJD@ycombinator.com
6%
Last@ycombinator.comDoe@ycombinator.com
3%

Frequently Asked Questions

What is Y Combinator's phone number?

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You can contact Y Combinator's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Y Combinator's official website and social media links?

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Y Combinator's official website is ycombinator.com and has social profiles on LinkedIn.

How much revenue does Y Combinator generate?

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As of August 2026, Y Combinator's annual revenue is estimated to be $1B - $10B.

What is Y Combinator's NAICS code?

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Y Combinator's NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does Y Combinator have currently?

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As of August 2026, Y Combinator has approximately 8.8K employees across 6 continents, including North America, Asia and Europe. Key team members include Ceo: A. A., Ceo: L. M. and Chief Executive Officer: S. R. Explore Y Combinator's employee directory with LeadIQ.

What industry does Y Combinator belong to?

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Y Combinator operates in the Venture Capital and Private Equity Principals industry.

What technology does Y Combinator use?

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Y Combinator's tech stack includes Mixpanel, Pendo, GitLab CI, Figma, Constant Contact, Trustpilot, Vimeo and Piwik PRO Core.

What is Y Combinator's email format?

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Y Combinator's email format typically follows the pattern of First@ycombinator.com. Find more Y Combinator email formats with LeadIQ.

How much funding has Y Combinator raised to date?

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As of August 2026, Y Combinator has raised $500K in funding. The last funding round occurred on Feb 27, 2024.

When was Y Combinator founded?

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Y Combinator was founded in 2005.
Y Combinator logo

Y Combinator

Venture Capital and Private Equity PrincipalsUnited States5001-10000 Employees

Y Combinator is a United States-based startup accelerator and venture capital organization operating in the venture capital and private equity sector. Since its founding in 2005, YC has invested in over 5,400 companies, including Airbnb, Dropbox, Stripe, Reddit, Instacart, DoorDash, and Coinbase. The firm describes itself as building a large startup community and offering products and programs to support founders throughout their company's life. The organization employs between 5,001 and 10,000 people and is headquartered in the United States. In 2026, YC engaged in several portfolio activities, including investments in companies such as Flagright Data Technologies and Leadbay, and announced product initiatives like Paxel.

Section iconCompany Overview

Phone number
NAICS Code
52391 - Miscellaneous Intermediation
Founded
2005
Employees
5001-10000

Section iconFunding & Financials

  • $500K

    Y Combinator has raised a total of $500K of funding over 2 rounds. Their latest funding round was raised on Feb 27, 2024 as a Pre Seed.

  • $1B - $10B

    Y Combinator's revenue is estimated to be in the range of $1B - $10B

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