Industry
YC B2B Companies
3,278 Y Combinator b2b startups with verified founder contacts, batch info, and company data.
3,278
Companies
964
Active
10
Acquired
0
Public
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Altrina | W25 | The SOP Automation Platform | Active | Menlo Park, CA, USA | 4 | Mo Nasir, Harvey Hu | Reveal | |
Artifact | W25 | An Collaborative, AI-native IDE for Hardware Engineers | Active | Los Angeles, CA, USA | 4 | Antony Samuel, Corbin Klett | Reveal | |
Artificial Societies | W25 | We build networks of AIs to simulate high-value audiences | Active | London, England, United Kingdom | 12 | James He, Patrick Sharpe | Reveal | |
assistant-ui | W25 | Open Source React.js Library for AI Chat | Active | San Francisco, CA, USA | 3 | Simon Farshid | Reveal | |
Asteroid | W25 | The integration layer for healthcare: EHRs, payer portals & more | Active | San Francisco, CA, USA | 8 | David Mlcoch, Joe Hewett, David Mlčoch | Reveal | |
AthenaHQ | W25 | Be the Answer in AI Search - AI SEO across SEO, GEO & AEO | Active | San Francisco, CA, USA | 12 | Andrew Yan, Alan Yao | Reveal | |
AthenaHQ | W25 | Get Your Brand Discovered on AI Search. | Active | San Francisco, CA, USA | 12 | Andrew Yan, Alan Yao | Reveal | |
awen | W25 | We are rebuilding photoshop with an AI-voice interface. | Active | — | 3 | Thibault Henriet | Reveal | |
awen | W25 | awen translates intent into exceptional visuals through conversation | Active | Paris, Île-de-France, France; Remote | 6 | Thibault Henriet | Reveal | |
Axal | W25 | Automate Data Entry From Inbox to ERP | Active | San Francisco, CA, USA | 2 | Samai Patel, Nand Vinchhi | Reveal | |
Bezel | W25 | Digital AI humans that model clothes for e-commerce brands. | Active | New York, NY, USA | 1 | Kashyap Achar | Reveal | |
Bluebook | W25 | AI for accounting | Active | Stockholm, Stockholm County, Sweden | 4 | Philip Andersson, Filip Stål, Filip Stl | Reveal | |
Browser Use | W25 | Leading open-source web agent project with 50k stars in 3 months | Active | San Francisco, CA, USA | 7 | Magnus Müller, Gregor Zunic | Reveal | |
Bud | W25 | Agent with a computer | Active | San Francisco, CA, USA | 6 | Kevin Lu, Bach Tran | Reveal | |
Butter | W25 | Muscle Memory Cache for Agents | Active | — | 2 | Erik Dunteman | Reveal | |
Bystreet | W25 | Find your next hospitality deal. | Active | San Francisco, CA, USA | 4 | Charlie Maki, Corey Anderson, Cameron Hake | Reveal | |
Bystreet | W25 | Your partner for hotel ownership data. | Active | San Francisco, CA, USA | 4 | Charlie Maki, Corey Anderson, Cameron Hake | Reveal | |
Calltree | W25 | Enterprise-grade AI support reps for call centers | Active | San Francisco, CA, USA | 14 | Kun Qian, Robertson Taylor | Reveal | |
Candid | W25 | The hiring platform for exceptional talent | Active | — | 2 | Rami Ghanem | Reveal | |
Candor | W25 | Protect your data and stop insider risk | Active | San Francisco, CA, USA | 3 | Adarsh Ambati, Ansh Gupta, Aditya Iyengar | Reveal | |
Cardamon | W25 | AI compliance co-pilot for regulated financial businesses | Active | San Francisco, CA, USA | 2 | Areg Nzsdejan, Dmytro Astakhov | Reveal | |
careCycle | W25 | Voice AI teams for medicare agencies. | Active | San Francisco, CA, USA | 5 | Alex Doonanco, Evan Roubekas | Reveal | |
careCycle | W25 | Voice AI teams for medicare agencies. | Active | San Mateo, CA, USA | 4 | Alex Doonanco, Evan Roubekas | Reveal | |
Caseflood.ai | W25 | How elite law firms do intake | Active | San Francisco, CA, USA | 2 | Ethan Hilton, Tolen Schreid, Ayushman Srivastava | Reveal | |
Cedar | W25 | The open source copilot for any app | Active | — | 2 | Jesse Li, Isabelle Ilyia | Reveal | |
Cenote | W25 | AI agents for conversational commerce | Active | San Francisco, CA, USA | 2 | Kofi Ansong, Kristy Gao, Ajani Smith-Washington | Reveal | |
Cifrato | W25 | AI Accountant for Accounting Firms | Active | Bogotá, Bogota, Colombia; Remote | 17 | Juan Pisco, Yerson Cacua | Reveal | |
Confident AI | W25 | The LLM Eval and Observability Platform for AI Quality | Active | San Francisco, CA, USA | 7 | Jeffrey Ip, Kritin Vongthongsri | Reveal | |
Contrario | W25 | AI hiring platform powered by expert recruiters | Active | San Francisco, CA, USA | 20 | Arya Marwaha, Aditya Sood | Reveal | |
Corsair | W25 | The TypeScript Integration ORM | Active | New York, NY, USA | 2 | Dev Jain | Reveal | |
Cuckoo Labs | W25 | Real-time AI translator for global sales and marketing | Active | — | 2 | Yong Hee Lee, Gunwoo Kim | Reveal | |
Cuckoo Labs | W25 | Real-time AI translator for global sales and marketing | Active | Seoul, Seoul, South Korea | 2 | Yong Hee Lee, Gunwoo Kim | Reveal | |
Dalus | W25 | AI-Powered Hardware System Design Software | Active | — | 3 | Sebastian Völkl, Eliot Khachi | Reveal | |
Delineate | W25 | Agents for Accelerated Clinical Trial Design | Active | Boston, MA, USA; Remote | 20 | Emily Nieves, Jawad Iqbal | Reveal | |
Dex | W25 | The AI Coworker in Chrome | Active | San Francisco, CA, USA | 2 | Regina Lin, Kevin Gu | Reveal | |
Ergo | W25 | AI agents and unified data layer for revenue teams | Active | San Francisco, CA, USA | — | Yash Dulla, Ishan Sheth | Reveal | |
Exla | W25 | Building agents that reads logs and fixes issues on your behalf. | Active | San Francisco, CA, USA | 2 | Pranav Nair, Viraat Das | Reveal | |
Fira | W25 | Financial research platform for investment firms | Active | — | 4 | Alex Tkachenko, Alexey Taktarov | Reveal | |
Flowtel | W25 | The AI Voice agents for hotels | Active | San Francisco, CA, USA | 5 | Eylon Miz | Reveal | |
FuseAI | W25 | The only outbound sales software you will ever need. | Active | — | 8 | Saurav Bubber, Imogen Low | Reveal | |
Gale | W25 | Fast and Data-Driven Immigration Platform | Active | Vancouver, BC, Canada | 3 | Rahul Gudise, Haokun Qin, Rishabh Sambare | Reveal | |
G LNK | W25 | Simplifying Collaboration for Healthcare Organizations & Professionals | Active | New York City, NY, USA | 2 | Rayan Ghandour, Raouf Abujaber | Reveal | |
Haleum | W25 | Human Risk Intelligence for the AI-era | Active | San Francisco, CA, USA | 3 | Adarsh Ambati, Ansh Gupta, Aditya Iyengar | Reveal | |
Hey Telo | W25 | Voice AI for Home Services | Active | — | 2 | Christopher Grittner, Daniel Grittner | Reveal | |
Hey Telo | W25 | Voice AI for Home Services | Active | BY, Germany | 2 | Christopher Grittner, Daniel Grittner | Reveal | |
hud | W25 | Platform for building RL environments and evals | Active | San Francisco, CA, USA | 5 | Jay Ram, Lorenss Martinsons | Reveal | |
hud | W25 | Platform for building RL environments and evals | Active | San Francisco, CA, USA | 15 | Jay Ram, Lorenss Martinsons, Parth Patel | Reveal | |
Leaping AI | W25 | Voice AI agents to automate call centers (digital call center workers) | Active | San Francisco, CA, USA | 8 | Kevin Wu, Arkadiy Telegin | Reveal | |
Leaping AI | W25 | AI voice and texting agents | Active | San Francisco, CA, USA | 13 | Kevin Wu, Arkadiy Telegin | Reveal | |
Lopus | W25 | Headless Data Team | Active | San Francisco, CA, USA | 2 | Aamish Ahmad Beg, Danylo Borodchuk, Aamish Ahmad Beg | Reveal |
Status Breakdown
About YC B2B Companies
Y Combinator has funded 3,278 b2b companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of b2b innovation globally.
964 of these companies are currently active. 10 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC b2b startup.
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