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 |
|---|---|---|---|---|---|---|---|---|
superglue | W25 | AI that fixes enterprise glue | Active | San Francisco, CA, USA | 4 | Adina Goerres, Stefan Faistenauer | Reveal | |
TamLabs | W25 | Agent teams for complex work | Active | San Francisco, CA, USA | 2 | Joshua Doolan, Ben Doolan | Reveal | |
Tejas AI | W25 | Risk Decisioning Platform for Banks | Active | San Francisco, CA, USA | 2 | Gaurav Luhariwala | Reveal | |
TensorPool | W25 | Vercel For GPUs | Acquired | San Francisco, CA, USA | 3 | Tycho Svoboda, Joshua Martinez, Hlumelo Notshe | Reveal | |
Tergle | W25 | AI Agents for Audit | Active | New York City, NY, USA | — | Adam Bowen | Reveal | |
Tire Swing | W25 | AI Compliance for Affordable Housing | Active | New York City, NY, USA | 2 | Paul Witten, Lucas Irvine | Reveal | |
Trace | W25 | Voice AI Customer Support for Financial Services | Active | San Francisco, CA, USA | 3 | Saner Cakir, Kayla Lee | Reveal | |
TrainLoop | W25 | Reasoning Fine-Tuning | Active | San Francisco, CA, USA | 6 | Jackson Stokes, Mason Pierce | Reveal | |
Trata | W25 | AI-powered research desk for hedge funds | Active | New York City, NY, USA | 6 | Eric Cho, Alexander Chen | Reveal | |
Trata | W25 | AI-powered research desk for hedge funds | Active | New York, NY, USA | 5 | Eric Cho | Reveal | |
Trava | W25 | AI agents for global trade compliance | Active | San Francisco, CA, USA | 1 | Pushkar Lanka | Reveal | |
Trim | W25 | A foundation model for physics. | Active | San Francisco, CA, USA | 3 | Emanuel Gordis | Reveal | |
Truffle AI | W25 | AWS for AI Agents | Active | San Francisco, CA, USA | 2 | Shaunak Srivastava, Rahul Karajgikar | Reveal | |
Truffle AI | W25 | AWS for AI Agents | Active | Bengaluru, KA, India | 2 | Shaunak Srivastava, Rahul Karajgikar | Reveal | |
Tweeks.io | W25 | Lovable for Chrome Plugins | Active | San Francisco, CA, USA | 2 | Jason Madeano, Matt Stallone | Reveal | |
Verbiflow | W25 | Outbound Sequencing Infrastructure for Startups | Active | San Francisco, CA, USA | 2 | Kashyab Ambarani, Rishi Mahadevan | Reveal | |
Vetnio | W25 | AI Copilot that automates admin work for veterinary professionals | Active | Stockholm, Stockholm County, Sweden | 6 | Arman Karégar, Max Henry Xie, Arman Karegar | Reveal | |
Weave | W25 | AI to understand and then route engineering work | Active | San Francisco, CA, USA | 14 | Adam Cohen, Andrew Churchill | Reveal | |
Wildcard | W25 | AEO/GEO for E-Commerce and Retail | Active | San Francisco, CA, USA | — | Kaushik Mahorker | Reveal | |
Woz | W25 | AI platform enabling anyone to build and scale software businesses | Active | San Francisco, CA, USA | 6 | Ben Collins, Brad Eckert | Reveal | |
Woz | W25 | AI platform enabling anyone to build and scale software businesses | Active | San Francisco, CA, USA | 6 | Ben Collins, Brad Eckert | Reveal | |
YouShift | W25 | The OS for hospital workforce management | Active | New York City, NY, USA | 10 | Lucía Vives Martorell, Jota Chamorro, Adolfo Roquero Gimenez | Reveal | |
YouShift | W25 | The OS for hospital workforce management | Active | — | 3 | Lucía Vives Martorell, Jota Chamorro, Adolfo Roquero Gimenez | Reveal | |
ZeroEntropy | W25 | Artificial Specialized Intelligence | Acquired | San Francisco, CA, USA | 6 | Ghita Houir Alami, Nicholas Pipitone, Ghita Alami | Reveal | |
ZeroEntropy | W25 | High accuracy search API over unstructured data. | Active | — | 2 | Ghita Houir Alami, Nicholas Pipitone | Reveal | |
Acrely | S25 | Enterprise Voice Agents | Active | San Francisco, CA, USA | 6 | Alek Stefanov, Derek Armfield | Reveal | |
Acrely | S25 | Enterprise Voice Agents | Active | Pittsburgh, PA, USA | 6 | Alek Stefanov, Derek Armfield, Alexander Stefanov | Reveal | |
Adaptional | S25 | AI underwriting for insurance | Active | San Francisco, CA, USA | — | Kevin Cox, Suril Kantaria | Reveal | |
AgentHub | S25 | The simulation and evaluation engine for AI agents | Active | — | 2 | Youssef Kallel, Sandra Tang | Reveal | |
AgentMail | S25 | Email Inboxes for AI Agents | Active | San Francisco, CA, USA | 10 | Haakam Aujla, Michael Kim, Adi Singh | Reveal | |
Alara | S25 | Procurement Platform for Dental Offices | Active | — | — | Dr. Sabrine Obbad, Elyas Obbad | Reveal | |
Alter | S25 | Secure access control and authorization platform for agent workflows | Active | New York, NY, USA | 2 | Srikar Dandamuraju, Kevan Dodhia | Reveal | |
Altur | S25 | Voice AI Agents for Debt Collection | Active | Mexico City, CDMX, Mexico | 5 | Luis Olave, Pedro Fernández | Reveal | |
Ambral | S25 | AI Account Managers | Active | — | 2 | Sam Brickman, Jack Stettner | Reveal | |
Ambral | S25 | AI for account management and customer success | Active | New York City, NY, USA | 4 | Sam Brickman, Jack Stettner | Reveal | |
args | S25 | A better GItHub | Active | New York City, NY, USA | 2 | Paul Bae, Mikkel Kim | Reveal | |
Autosana | S25 | AI agents for E2E testing across mobile & web | Active | San Francisco, CA, USA | 5 | Yuvan Sundrani, Jason Steinberg | Reveal | |
Autumn | S25 | Billing infrastructure for AI | Active | London, England, United Kingdom | 5 | Ayush Rodrigues, John Yeo, Ash Rodrigues | Reveal | |
Avent | S25 | AI agents for industrial commerce | Active | — | 2 | Abhay Kalra | Reveal | |
Avent | S25 | AI agents for industrial commerce | Active | San Francisco, CA, USA | 5 | Abhay Kalra | Reveal | |
bitrig | S25 | Vibe code, test, and deploy Swift apps. All from your iPhone. | Active | — | 3 | Kyle Macomber, Tim Donnelly, Jacob Xiao | Reveal | |
Bizzy AI | S25 | Bizzy works 24/7 so you never miss a lead. | Active | San Francisco, CA, USA | — | Rithvik Gabri, Ansh Sheth | Reveal | |
Bizzy AI | S25 | Bizzy works 24/7 so you never miss a lead. | Active | New York City, NY, USA | — | Rithvik Gabri, Ansh Sheth | Reveal | |
BootLoop | S25 | Firmware in minutes, not months - rigorously tested on real hardware | Active | San Francisco, CA, USA | 3 | Noah Pacik-Nelson, Chris Markus, Christopher Markus | Reveal | |
burnt | S25 | Agentic Operating System for Food Supply Chain | Active | San Francisco, CA, USA | 3 | Joseph Jacob, Rhea Karimpanal, Chandru Shanumugasundaram, Chandru Shanmugasundaram | Reveal | |
Cactus | S25 | Tiny Edge AI For Tiny Devices | Active | San Francisco, CA, USA | 8 | Roman Shemet, Henry Ndubuaku | Reveal | |
Candytrail | S25 | AI agents for in-person sales teams, starting with coaching | Active | San Francisco, CA, USA | 2 | Aditya Mahna, Ayush Mahna | Reveal | |
Certus AI | S25 | Replacing the restaurant phone line with Voice AI | Active | San Francisco, CA, USA | 3 | Gurveer Singh, Adam Gamieldien, Isaac Nichols | Reveal | |
Certus AI | S25 | Replacing the restaurant phone line with Voice AI | Active | San Francisco, CA, USA | 8 | Gurveer Singh, Adam Gamieldien, Isaac Nichols | Reveal | |
Channel3 | S25 | Database of every product on the internet | Active | New York City, NY, USA | 5 | Alexander Schiff, George Lawrence | 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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