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 |
|---|---|---|---|---|---|---|---|---|
Mundo AI | W25 | High Quality Multilingual Training Data for AI Models | Active | San Francisco, CA, USA | 4 | Jason Liao, Naijide Anwaer, Garreth Lee, Kenneth Wu | Reveal | |
Oki | W25 | Personalized Updates on Company Progress | Active | San Francisco, CA, USA | 2 | Luofei Chen, Aayush Tyagi | Reveal | |
Olive | W25 | The context layer for your team | Active | San Francisco, CA, USA | 2 | Bardia Safari, Shrey Gupta | Reveal | |
Onlook | W25 | Cursor for Designers | Active | San Francisco, CA, USA | 2 | Daniel Farrell | Reveal | |
OpenIntake | W25 | The AI Front Door For Law Firms | Active | New York, NY, USA | 2 | Yash Sahota, Grayson Pike | Reveal | |
Operand | W25 | AI to run Business Strategy | Active | San Francisco, CA, USA | 5 | Ram Gorthi, Akhil Iyengar, Arjun Sahney | Reveal | |
Optifye.ai | W25 | AI performance monitoring for factory workers | Active | San Francisco, CA, USA | 3 | Vivaan Baid, Kushal Mohta | Reveal | |
Orchids | W25 | AI App Builder | Active | — | 6 | Kevin Lu, Bach Tran | Reveal | |
Osmosis | W25 | Reinforcement Learning for AI Agents | Active | — | 6 | Kasey Zhang, Andy Lyu | Reveal | |
Outlit | W25 | Account-level Customer Journey | Active | San Francisco, CA, USA | 2 | Josh Earle, Leo Paz | Reveal | |
Overstand Labs | W25 | We help companies find and leverage the needles in their data haystack | Active | — | 4 | Mihir Patil, Derrick Cheng | Reveal | |
Ovlo | W25 | AI agents for supply chain workflow automation | Active | San Francisco, CA, USA | 2 | Andrew Malouf, Amer Eid | Reveal | |
Peppr AI | W25 | Self-improving knowledge base synthesizing scattered company data | Active | — | 4 | Sachitt Arora, Nitya Arora | Reveal | |
Pinch | W25 | Real-time AI Voice Translation for Developers | Active | — | 3 | Christian Safka | Reveal | |
Praxim | W25 | The agentic AI Word editor | Active | San Francisco, CA, USA | 2 | Richie Hsiung, Frank Li | Reveal | |
Promptless | W25 | An AI teammate that automatically updates your customer-facing docs | Active | San Francisco, CA, USA | 5 | Prithvi Ramakrishnan, Frances Liu | Reveal | |
Quantstruct | W25 | AI documentation engineer – test & autoimprove stale product docs | Active | San Francisco, CA, USA | 2 | Sarthak Srinivas, Newman Hu | Reveal | |
Rebolt | W25 | Build apps and agents by speaking with AI | Active | — | 3 | Celia Manzano, Javier Sanchez | Reveal | |
ReJot | W25 | We turn complex API integrations into drop‑in full‑stack libraries | Active | Amsterdam, Netherlands | 2 | Wilco Kruijer, Jan Schutte | Reveal | |
Riviera | W25 | AI Employees for Hotels | Active | San Francisco, CA, USA | 2 | Shaun Lane, Daniel Tyshler | Reveal | |
Roark | W25 | Test, monitor, and improve your voice agents | Active | San Francisco, CA, USA | 3 | James Zammit, Daniel Gauci | Reveal | |
Rocketable | W25 | The AI Maximalist Software Holding Company | Active | — | 2 | Alan Wells | Reveal | |
SalesPatriot | W25 | We help defense firms win more contracts with the Pentagon | Active | San Francisco, CA, USA | 13 | Nelson Ray, Ben Rhodes-Kropf, Maciej Szymczyk | Reveal | |
SAMMY Labs | W25 | SAMMY Labs, the knowledge layer for your people and AI | Active | — | 10 | Joe Savidge, Shav Vimalendiran | Reveal | |
Sennu AI | W25 | AI Code Review for Salesforce Development | Active | San Francisco, CA, USA | 2 | Sriman Gaddam, Sukhjit Singh | Reveal | |
Solidroad | W25 | AI agents for CX teams, starting with training and QA. | Active | San Francisco, CA, USA | 6 | Mark Hughes, Patrick Finlay | Reveal | |
Spott | W25 | AI-native ATS/CRM for recruiting firms | Active | — | 20 | Manu Vanderveeren, Lander Degreve, Samuel Smeys | Reveal | |
Stamp | W25 | The AI Native Email Client | Active | — | 1 | Archit Mehta | Reveal | |
Stillwind | W25 | Autonomous Electrical Engineering | Active | Zürich, Switzerland | 4 | Linus Meierhöfer, Lukas Ego, Hannes Furmans, Josef Zoller | Reveal | |
SubImage | W25 | Software that maps your infrastructure. Open core alternative to Wiz | Active | — | 5 | Gustaf Alstromer, Alex Chantavy, Kunaal Sikka | Reveal | |
Subtrace | W25 | Zero code network tracer | Active | San Francisco, CA, USA | 2 | Adhityaa Chandrasekar, Sachin Sridhar | Reveal | |
superglue | W25 | AI that fixes enterprise glue | Active | San Francisco, CA, USA | 4 | Adina Goerres, Stefan Faistenauer | Reveal | |
TamLabs | W25 | Cursor for Microsoft Word | 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 | Active | — | 3 | Tycho Svoboda, Joshua Martinez, Hlumelo Notshe | Reveal | |
Tergle | W25 | AI Agents for Audit | Active | San Francisco, CA, USA | — | Adam Bowen | Reveal | |
Tire Swing | W25 | AI Powered Affordable Housing Eligibility | Active | New York, 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, 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 | |
Tweeks.io | W25 | Lovable for Chrome Plugins | Active | San Francisco, CA, USA | 2 | Jason Madeano, Matt Stallone | Reveal | |
Verbiflow | W25 | People search that works | Active | San Francisco, CA, USA | 2 | Kashyab Ambarani, Rishi Mahadevan | Reveal | |
Vetnio | W25 | AI Copilot that automates admin work for veterinary professionals | Active | — | 6 | Arman Karégar, Max Henry Xie | Reveal | |
Wildcard | W25 | Sell Products in ChatGPT Shopping | Active | — | 2 | 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 | — | 3 | Lucía Vives Martorell, Jota Chamorro, Adolfo Roquero Gimenez | 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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