Industry
YC B2B Companies
2,174 Y Combinator b2b startups with verified founder contacts, batch info, and company data.
2,174
Companies
838
Active
79
Acquired
0
Public
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Pythagora | W24 | Worlds first all-in-one AI development platform. | Active | — | 7 | Zvonimir Sabljić, Leon Ostrež | Reveal | |
Quary | W24 | The first in-browser analytics engineering platform | Inactive | London, UK | 2 | Benjamin King, Louis Jordan | Reveal | |
Quivr | W24 | AI-powered auto-resolutions and reply suggestions for customer… | Active | Paris, France | 5 | Stan Girard, Antoine Dewez | Reveal | |
Raindrop | W24 | Sentry for AI Agents | Active | San Francisco, CA, USA | 6 | Zubin Koticha, Alexis Gauba, Ben Hylak | Reveal | |
Reducto | W24 | The most accurate API to parse documents | Active | San Francisco, CA, USA | 30 | Adit Abraham, Raunak Chowdhuri | Reveal | |
Reform | W24 | Workflow automation. Built for logistics. | Active | San Francisco, CA, USA | 11 | Omar Abuhashish, Pradhit Gosula | Reveal | |
Relari | W24 | AI Agent Builder for Software 3.0 | Active | San Francisco, CA, USA | 2 | Yi Zhang, Pasquale Antonante | Reveal | |
renderlet | W24 | Build interactive applications that run anywhere | Active | Broad St, New York, NY, USA | 2 | Sean Isom | Reveal | |
Reprompt | W24 | AI Agents for Location | Active | — | 3 | Lukas Martinelli, Rob Balian | Reveal | |
Resonance | W24 | Self-improving content bank for marketing | Active | San Francisco, CA, USA | 2 | Jonathan Ou | Reveal | |
RetailReady | W24 | An AI-powered supply chain compliance engine | Active | — | 12 | Elle Smyth, Sarah Hamer | Reveal | |
Retell AI | W24 | Supercharge Your Contact Center Operations with AI Phone Agents | Active | — | 24 | Bing Wu, Todd Li, Evie Wang, Weijia Yu, Zexia Zhang | Reveal | |
Risotto | W24 | Risotto auto-solves IT support requests using AI | Active | San Francisco, CA, USA | 3 | Aron Solberg, Alex Confer, Chris Paul | Reveal | |
ROE | W24 | AI for risk and compliance | Active | San Mateo, CA, USA | 9 | Richard Meng | Reveal | |
Ryse | W24 | The secondary market for real estate leases | Active | New York, NY, USA | 13 | Sean Mitchell, Harsh Yadav | Reveal | |
Salvy | W24 | Mobile carrier for businesses in Brazil | Active | Curitiba, State of Paraná, Brazil | 27 | Artur Negrão, Hudo Assenco, Maria Eduarda Kumlehn, Lucas Rosa | Reveal | |
Senso | W24 | Control what AI says about you | Active | Toronto, ON, Canada | 8 | Saroop Bharwani, Thomas Nelson | Reveal | |
Shiboleth | W24 | Shiboleth automates lending compliance for financial institutions… | Active | — | 5 | Esty Scheiner, Bivu Dhungana | Reveal | |
Silogy | W24 | An AI-powered test and debug platform for chip developers | Active | New York, NY, USA | 3 | Kay Li, Paul Kim | Reveal | |
Solari AI | W24 | Gives non-technical team members agents that work right out of the box | Active | New York, NY, USA | 1 | Sahil Sinha | Reveal | |
Spark | W24 | AI-powered workflows for energy infrastructure | Active | — | 5 | Julia Wu, Anuj Saigal | Reveal | |
Speck | W24 | AI Notetaker that automates all your admin work | Active | San Francisco, CA, USA | 3 | Raghav Pillai | Reveal | |
Stacksync | W24 | Real-time and two-way sync between CRMs and Databases | Active | San Francisco, CA, USA | 9 | Ruben Burdin, Alexis Favre | Reveal | |
StarJar | W24 | Starjar automates inbound document processing workflows for hospitals | Acquired | — | 11 | Qi Zhang | Reveal | |
Stitch Technologies | W24 | - | Inactive | London, UK | 0 | Till Kern, Yuriy Oparenko | Reveal | |
Superagent | W24 | Red teaming for AI agents | Active | 800 Indiana St, San Francisco, CA 94107, USA | 2 | Alan Zabihi, Ismail Pelaseyed | Reveal | |
sync. | W24 | AI lipsync tool for video content creators | Active | San Francisco, CA, USA | 13 | Prady Modukuru, Prajwal K R, Rudrabha Mukhopadhyay, Pavan Reddy | Reveal | |
Tamarind Bio | W24 | AI Inference Platform for Drug Discovery | Active | — | 10 | Deniz Kavi, Sherry Liu | Reveal | |
Tensorfuse | W24 | Run serverless GPUs on your own cloud | Active | — | 2 | Samagra Sharma, Agam Jain | Reveal | |
Terrakotta | W24 | AI platform for phone-first sellers | Active | Shoreline, WA, USA | 5 | Vincent Wilson, Kusiima Boswell, Gabriel Wilson | Reveal | |
Thorntale | W24 | The world's best presentation editor, powered by AI. | Active | San Francisco, CA, USA | 2 | Ellen Hui, John Stimac | Reveal | |
Tile | W24 | AI-first notebook for building operational data apps | Active | New York, NY, USA | 2 | Jenica Zhong | Reveal | |
Toma | W24 | AI for Underserved Industries | Active | San Francisco, CA, USA | 20 | Monik Pamecha, Anthony Krivonos | Reveal | |
Topo | W24 | AI Agents for outbound working by your side | Active | Paris, France | 12 | Dan Elkaim, Léonard Henriquez, Robin Philibert | Reveal | |
Tower | W24 | M&A due diligence platform powered by AI | Active | San Francisco, CA, USA | 2 | Adam Dorfman, Andy Zhang | Reveal | |
Tracecat | W24 | Automate mission-critical work with AI agents | Active | San Francisco, CA, USA | — | Chris Lo, Daryl Lim | Reveal | |
Trellis AI | W24 | AI for streamlining healthcare paperwork | Active | — | 25 | Mac Klinkachorn, Jacky Lin | Reveal | |
Triply | W24 | Operating system for travel businesses in Africa with embedded finance | Active | Nairobi, Kenya | 18 | Peter Wachira, Collins Muthinja | Reveal | |
Tusk | W24 | AI agent that generates unit and integration tests | Active | San Francisco, CA, USA | 4 | Marcel Tan, Sohil Kshirsagar | Reveal | |
Ubicloud | W24 | Open source alternative to AWS | Active | — | 15 | Umur Cubukcu, Ozgun Erdogan, Daniel Farina | Reveal | |
Upsolve AI | W24 | Embed GenBI in Your SaaS App | Active | — | 5 | Ka Ling Wu, Serguei Balanovich | Reveal | |
Veles | W24 | The Sales Calculator | Active | Santa Barbara, CA, USA | 5 | Simon Ooley, Patrick Koperwas | Reveal | |
Vibrant Labs | W24 | RL environments for long horizon AI Agents | Active | San Francisco, CA, USA | 2 | Jithin James, Shahul ES | Reveal | |
Voicepanel | W24 | AI agents for customer research | Active | — | 3 | Asa Schachar, John Provine | Reveal | |
VoxOps AI | W24 | Voice AI for Automotive | Active | London, UK | 6 | Stefan Vukcevic, John Hesler | Reveal | |
Wavelength | W24 | Build Magical Customer Experiences | Active | San Francisco, CA, USA | 3 | Pranav Mallampalli, Deepali Jain | Reveal | |
Yarn | W24 | Make sales and marketing videos with AI. | Active | New York, NY, USA | 6 | Jasper Story, Nicole Atack | Reveal | |
Yoneda Labs | W24 | Foundation Model for Chemical Manufacturing | Active | — | 3 | Michał Mgeładze-Arciuch, Jan Oboril, Daniel Vlasits | Reveal | |
Zaymo | W24 | Interactive email builder for ecommerce brands | Active | Lehi, UT, USA | 11 | Brice Douglas, Daniel Jones | Reveal | |
Zep AI | W24 | Agent Context Is Hard. We Fixed It. | Active | San Francisco, CA, USA | 5 | Daniel Chalef | Reveal |
Status Breakdown
About YC B2B Companies
Y Combinator has funded 2,174 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.
838 of these companies are currently active. 79 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC b2b startup.
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