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 |
|---|---|---|---|---|---|---|---|---|
1stCollab | W23 | Performance-Optimized Influencer Marketing at Scale | Active | San Francisco, CA, USA | 11 | Leon Lin, Varun Bansal, Andrew Liu, Carina Cater | Reveal | |
Adri AI | W23 | Vanta for AI | Active | San Francisco, CA, USA | 2 | Darshita Chaturvedi, Shyam Swaroop | Reveal | |
Alloy | W23 | AI Prototyping for Product Management | Active | — | 5 | Simon Kubica, Christian Iacullo | Reveal | |
Ariglad | W23 | Knowledge base maintenance on auto-pilot | Active | Vancouver, BC, Canada; Remote | 4 | Sophie Wyne, Ali Avci | Reveal | |
Ariglad | W23 | Knowledge base maintenance on auto-pilot | Active | Vancouver, BC, Canada | 4 | Sophie Wyne, Ali Avci | Reveal | |
Arroyo | W23 | Cloud-native stream processing | Acquired | San Francisco, CA, USA | 2 | Micah Wylde, Jackson Newhouse | Reveal | |
Arroyo | W23 | Cloud-native stream processing | Acquired | Berkeley, CA, USA | 2 | Micah Wylde | Reveal | |
Athina AI | W23 | Prototype, Experiment & Evaluate AI Pipelines in a Spreadsheet-like UI | Active | — | 5 | Himanshu Bamoria, Shiv Sakhuja | Reveal | |
Automat | W23 | Agentic automation that understands context, recovers, and improves. | Active | San Francisco, CA, USA | — | Lucas Ochoa, Gautam Bose | Reveal | |
Automat | W23 | AI enabled RPA using ChatGPT and computer vision | Active | San Francisco, CA, USA | — | Lucas Ochoa, Gautam Bose | Reveal | |
Avoca | W23 | AI-powered Sales Agent for Service-Based Industries | Active | New York City, NY, USA | 85 | Apurva Shrivastava, Tyson Chen | Reveal | |
Avoca | W23 | AI-powered Sales Agent for Service-Based Industries | Active | — | 7 | Apurva Shrivastava, Tyson Chen | Reveal | |
Backdrop | W23 | AI coworkers for running projects and operations | Active | Seattle, WA, USA | 2 | Akanksha Singh, Caitlin Short | Reveal | |
Backdrop | W23 | Building what’s next with AI. | Active | — | 2 | Akanksha Singh, Caitlin Short | Reveal | |
Benchmark | W23 | Decision infrastructure for investment firms | Active | New York, NY, USA | 7 | Alec Dunn, Connor Janson | Reveal | |
Berry | W23 | Scale customer success and onboarding with AI | Active | San Francisco, CA, USA | 8 | Ann Chan | Reveal | |
Bluebirds | W23 | Automate outbound with signals | Acquired | San Francisco, CA, USA | 6 | Rohan Punamia, Kunal Punera | Reveal | |
Bluebirds | W23 | Automate outbound with signals | Acquired | San Francisco, CA, USA | 6 | Rohan Punamia, Kunal Punera | Reveal | |
Blyss | W23 | End-to-end encrypted AI. | Inactive | San Francisco, CA, USA; Remote | 2 | Samir Menon, Neil Movva | Reveal | |
Booth AI | W23 | Generative AI Photographer for E-Commerce | Acquired | San Francisco, CA, USA; Remote | 3 | Ian Baldwin | Reveal | |
Boundary | W23 | The programming language for AI | Active | Seattle, WA, USA | 5 | Vaibhav Gupta, Aaron Villalpando Gonzalez | Reveal | |
Brewit | W23 | Conversational data analytics for every team | Acquired | San Francisco, CA, USA | 4 | Leo Lu, Mark Ding, Sam Ding | Reveal | |
BuildJet | W23 | High-performance computing cloud | Active | Berlin, Berlin, Germany; Remote | 2 | Adam Shiervani, Lian Duan | Reveal | |
Cakework | W23 | API that adds cloud hosting to any developer platform | Inactive | Seattle, WA, USA | 2 | Eric Chen, Jessie Young | Reveal | |
Cardinal | W23 | Your AI product backlog | Acquired | Austin, TX, USA; San Francisco, CA, USA; Remote | 3 | Wiz 👋🏻, Mor Sela | Reveal | |
Cardinal | W23 | Your AI product backlog | Acquired | Austin, TX, USA | 3 | Wiz 👋🏻, Mor Sela | Reveal | |
Chima | W23 | Building infrastructure tools to help large companies customize their… | Active | San Francisco, CA, USA | 7 | Nikhara Nirghin | Reveal | |
Cloudchipr | W23 | The #1 Actionable FinOps Platform | Active | Berlin, Berlin, Germany | 25 | Ashot Ayvazyan, Suren Marashlyan | Reveal | |
Clueso | W23 | Create beautiful videos & docs for any product or process in minutes | Active | Bengaluru, KA, India | 25 | Akash Anand, Neel Balar, Prajwal Prakash | Reveal | |
CodeParrot AI | W23 | Helps Developers build stunning UI Lightning Fast ⚡️ | Inactive | Bengaluru, KA, India | 2 | Royal Jain, Vedant Agarwala | Reveal | |
co.dev | W23 | Turn your ideas into full-stack apps | Active | — | 2 | Uladzislau Radkevich, Andrew Kim | Reveal | |
Coldreach | W23 | Find the best leads with custom intent signals | Active | San Francisco, CA, USA | 3 | Xiaohan Shen, Hankel Bao, Hankel BAO | Reveal | |
Common Paper | W23 | The SAFE for commercial contracts | Active | Philadelphia, PA, USA; Remote | 8 | Benjamin Garvey, Jake Stein | Reveal | |
compliant-llm | W23 | Detect every data leak into third-party GenAI tools | Active | San Francisco, CA, USA | 3 | Neha Nupoor, Kaushik Srinivasan | Reveal | |
Concourse | W23 | AI Agents for corporate finance teams | Active | New York City, NY, USA | 7 | Matthieu Hafemeister, Ted Michaels | Reveal | |
Conduit | W23 | The operating system for shipping and receiving. | Active | San Francisco, CA, USA | 15 | Conrad Lilleness | Reveal | |
Conduit | W23 | Air Traffic Control for Warehouses | Active | San Francisco, CA, USA | 9 | Conrad Lilleness | Reveal | |
Coperniq | W23 | Workflow software for solar & energy contractors ☀️😎 | Active | San Francisco, CA, USA | 6 | Abdullah Al Zandani, Max Kazakov, Abdullah Al-Zandani | Reveal | |
Cosine | W23 | Fully Agentic SWE | Active | London, England, United Kingdom | 12 | Alistair Pullen, Yang Li | Reveal | |
Synth | F24 | Prompt and Context Optimization for Coding Agents | Active | San Francisco, CA, USA | 2 | Josh Purtell | Reveal | |
telli | F24 | AI phone agents that convert | Active | Berlin, Berlin, Germany | 16 | Finn zur Muehlen, Philipp Baumanns, Seb Hapte-Selassie, Finn Múhlen | Reveal | |
Tiny | F24 | A new kind of ERP system for factories | Active | Singapore, Singapore; Remote | 3 | Edward Zhang, Andrew Wilkinson | Reveal | |
Unusual | F24 | Market to AI agents | Active | San Francisco, CA, USA | 4 | Will Jack, Keller Maloney | Reveal | |
Variant | F24 | Creative intelligence | Active | San Francisco, CA, USA | 5 | Benjamin South Lee, Daniel Bulhosa Solorzano | Reveal | |
Vespper | F24 | The first AI-native document editor for long-form content | Active | — | 2 | Topaz Turkenitz, Dudu Lasry | Reveal | |
Vespper | F24 | The best DOCX MCP for agents to edit microsoft word documents | Active | San Francisco, CA, USA; Remote | 2 | Topaz Turkenitz, Dudu Lasry | Reveal | |
vly.ai | F24 | The Lovable & Replit killers | Active | San Francisco, CA, USA | 3 | Victor Cheng, Manav Bokinala | Reveal | |
VortexifyAI | F24 | Build AI applications and automations for supply chain operations | Active | New York, NY, USA | 3 | Aditya Tewari | Reveal | |
VortexifyAI | F24 | Build full-stack applications for business operations with AI | Active | New York City, NY, USA | 2 | Aditya Tewari | Reveal | |
Zeroframe | F24 | Pushing the boundaries of AI | Inactive | San Francisco, CA, USA | 2 | Daryl Budiman, Anirudh Ramprasad | 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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