Insights

Massive scale Opportunity to engage YC's extensive portfolio of over 5,400 companies by offering tools and services that scale with their growth, such as enterprise analytics, developer tooling, and accelerated GTM support.

Strategic funding signals YC's active seed and early-stage investments across AI analytics, AI investigations, and growth platforms indicate openness to innovative tech partners; tailor pitches around AI, data insights, and startup-first enablement.

Tech stack alignment With a diverse tech stack including Mixpanel, GitLab CI, Figma, Piwik PRO, and Trustpilot, there is a receptivity to complementary product suites such as analytics, CI/CD integration, design collaboration, and customer feedback systems.

Global accelerator network YC’s global reach and history of nurturing companies worldwide creates upsell potential for cross-border tools, compliance services, and localization capabilities for portfolio startups expanding internationally.

Portfolio success signals Notable exits and growth of YC-backed firms suggest a market appetite for growth-stage solutions in data-driven operations, customer onboarding, and scalability platforms that can support rapid expansion across its companies.

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 October 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 October 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 October 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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