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 |
|---|---|---|---|---|---|---|---|---|
Socratix AI | S25 | AI coworkers for fraud and compliance teams. | Active | San Francisco, CA, USA | 4 | Riya Jagetia, Satya Vasanth Tumati | Reveal | |
stagewise | S25 | The Open Source Agentic IDE | Active | — | 2 | Glenn Töws, Julian Goetze | Reveal | |
Stellon Labs | S25 | Building tiny frontier AI models that run on edge devices | Active | San Francisco, CA, USA | 2 | Rohan Joshi, Divam Gupta | Reveal | |
Stockline | S25 | AI-native ERP for food wholesalers | Active | Paris, Île-de-France, France | 2 | Mariem Ould Ismail, Moncef DJAFRI, Mariem Ismail | Reveal | |
Stormy | S25 | Stormy runs the office so your crew can run the work. | Active | San Francisco, CA, USA | 5 | Robert Lukoszko, Robert Lukoshko | Reveal | |
Synthetic Society | S25 | Synthetic Users to Simulate Real Users | Active | San Francisco, CA, USA | 2 | Kavan Doctor, Aaron Chew | Reveal | |
TectoAI | S25 | A Platform for AI Governance | Active | San Francisco, CA, USA | 2 | Niosha Afsharikia, PhD, Roksana Baleshzar | Reveal | |
TectoAI | S25 | A Platform for AI Governance | Active | San Francisco, CA, USA | 2 | Niosha Afsharikia, PhD, Roksana Baleshzar, Niosha Afsharikia | Reveal | |
Theora | S25 | Building medical school for AI Agents | Active | San Francisco, CA, USA | 3 | Larissa Tyagi | Reveal | |
The Prompting Company | S25 | We help products get discovered & used by AI agents. | Active | San Francisco, CA, USA | 7 | Kevin Chandra, Michelle Marcelline, Albert Purnama, Albert Putra Purnama | Reveal | |
The Prompting Company | S25 | We help products get mentioned in ChatGPT. | Active | — | 4 | Kevin Chandra, Michelle Marcelline, Albert Purnama | Reveal | |
Topological | S25 | Physics-based foundation models for CAD optimization. | Active | San Francisco, CA, USA | 2 | Nicole Ma, Zeyneb Kaya | Reveal | |
Topological | S25 | Physics-based foundation models for CAD optimization. | Active | — | 2 | Nicole Ma, Zeyneb Kaya | Reveal | |
Trace | S25 | Context-aware orchestration between humans and AI. | Active | London, England, United Kingdom | 3 | Tim Cherkasov, Artur Romanov | Reveal | |
TraceRoot.AI | S25 | Open source self-improving layer for AI agents | Active | San Francisco, CA, USA | 3 | Xinwei He | Reveal | |
truthsystems | S25 | Automatically blocking risky behavior with real-time governance agents | Active | San Francisco, CA, USA | 6 | Alex Mac, Nam Nguyen | Reveal | |
truthsystems | S25 | Automatically blocking risky behavior with real-time governance agents | Active | San Francisco, CA, USA | 3 | Alex Mac, Nam Nguyen | Reveal | |
Uplift AI | S25 | Foundational Voice Models for regional languages | Active | San Francisco, CA, USA | 3 | Hammad Malik, Zaid Qureshi | Reveal | |
VibeFlow | S25 | AI content manager that grows your company's online presence | Active | San Francisco, CA, USA | 3 | Alessia Paccagnella, Elia Saquand | Reveal | |
Vulcan Technologies | S25 | AI regulatory drafting and compliance | Active | Austin, TX, USA | 6 | Tanner Jones, Chris Minge | Reveal | |
Wafer | S25 | AI that makes AI fast | Active | San Francisco, CA, USA | 10 | Emilio Andere, Steven Arellano | Reveal | |
Wafer | S25 | AI that makes AI fast | Active | San Francisco, CA, USA | 4 | Emilio Andere, Steven Arellano | Reveal | |
ZeroEval | S25 | Auto-optimizer for AI agents | Active | New York, NY, USA | 2 | Jonathan Chávez, Sebastian Crossa | Reveal | |
Absurd | F25 | The Creative OS for AI video | Active | Los Angeles, CA, USA | 6 | Philip Ho, Damian Chng, Daniel Kathein | Reveal | |
Agentic Fabriq | F25 | Okta for Agents. | Active | Sunnyvale, CA, USA | 2 | Matthew Xu, Paulina Xu | Reveal | |
Arcten | F25 | We make any product AI-native in an afternoon | Active | San Francisco, CA, USA | 2 | Armeet Singh Jatyani, Michael Nguyen Jr | Reveal | |
Aside | F25 | Live answer copilot for enterprise tech sales | Active | San Francisco, CA, USA | 3 | Jun Kim, Chanhee Lee, Sanghun Lee | Reveal | |
Aspect | F25 | Intelligent media storage for creative teams. | Active | New York City, NY, USA | 3 | Gurish Sharma, Edison Chiu, Bright Xu | Reveal | |
AtlasGrid | F25 | Accelerate Product Iteration | Active | San Francisco, CA, USA; Remote | 6 | Oleg Kostour, Aram Aghababyan, Anton Krutiansky | Reveal | |
Bear | F25 | Marketing Stack for AI Agents | Active | San Francisco, CA, USA | 2 | Janak Sunil, Siddhant Paliwal | Reveal | |
Bluma | F25 | AI short form content engine | Active | San Francisco, CA, USA | 2 | Alisa Wu, Stephen Ni | Reveal | |
Bluma | F25 | Canva for short-form video ads | Active | San Francisco, CA, USA | 2 | Alisa Wu, Stephen Ni | Reveal | |
Bolna AI | F25 | Voice AI to enable India's next billion | Active | Bengaluru, KA, India | 21 | Prateek Sachan, Maitreya Wagh | Reveal | |
Boom AI | F25 | AI growth team for e-commerce brands | Active | San Francisco, CA, USA | 3 | Juan Casian, Sergio Garcia, Jose Toscano | Reveal | |
Bravi | F25 | The AI operating system powering home services businesses | Active | San Francisco, CA, USA | 2 | Anas Bouassami, Pierre-Habte Nouvellon | Reveal | |
Brickanta | F25 | Construction's AI platform for bid analysis, estimation and… | Active | Stockholm, Sweden | 8 | Lucas Otterling, Linus Bein Fahlander | Reveal | |
Brickanta | F25 | Agentic AI for Society Builders | Active | Stockholm, Stockholm County, Sweden | 11 | Lucas Otterling, Linus Bein Fahlander, Linus Fahlander | Reveal | |
Caddy | F25 | The voice interface that works proactively for you | Active | — | 3 | Connor Waslo, Rajiv Sancheti | Reveal | |
Caddy | F25 | Your Personal AI for everyday work. Lives in your texts. | Active | New York City, NY, USA | 5 | Connor Waslo, Rajiv Sancheti | Reveal | |
Castari | F25 | Vercel for AI Agents – One click deploy for the Claude Agent SDK | Active | — | 3 | Jacob Wright, Cambree Bernkopf | Reveal | |
Claybird | F25 | The full-stack AI ad company | Active | San Francisco, CA, USA | 4 | Saad Jamal, Abdullah Nauman | Reveal | |
Clicks | F25 | AI agents for your healthcare back-office operations. | Active | San Francisco, CA, USA | 8 | Dominik Helmreich, Oliver Knapp | Reveal | |
Codyco | F25 | The AI Reservation Team for Hotel Groups | Active | BY, Germany | 4 | Stefan Schaff, Endrit Bytyqi, Alexander Schober | Reveal | |
Codyco | F25 | The AI Reservation Team for Hotel Groups | Active | — | 4 | Stefan Schaff, Endrit Bytyqi, Alexander Schober | Reveal | |
ComplyDo | F25 | Global Compliance for Enterprises | Active | — | 5 | Leo Schuhmann, Moritz Moser, Matthias Schneider | Reveal | |
ComplyDo | F25 | Global Compliance for Enterprises | Active | Berlin, Berlin, Germany | 10 | Leo Schuhmann, Moritz Moser, Matthias Schneider | Reveal | |
Compyle | F25 | The coding agent that actually collaborates with you | Active | San Francisco, CA, USA | 2 | Jonathan Miranda, Mark Nazzaro | Reveal | |
Cranston AI | F25 | Full Stack AI Accounting Firm | Active | San Francisco, CA, USA | 2 | Sean O'Bannon, Max Minsker | Reveal | |
Crunched | F25 | Excel AI analyst for Power Users | Active | Oslo, Oslo, Norway | 5 | Philip Borge, Lars Gjardar Musæus, Michael Sakowski, Markus Skagemo, Lars Gjardar Musæus | Reveal | |
Dari | F25 | An API to build the most reliable browser use agents | Active | San Francisco, CA, USA | 2 | Avyay Varadarajan, Benjamin Hong | 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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