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 |
|---|---|---|---|---|---|---|---|---|
Persana AI | W23 | Sales Agents with 100+ data sources to close more deals | Active | San Francisco, CA, USA | 2 | Sriya Maram, Rush Shahani | Reveal | |
Pier | W23 | Stripe for Credit - Trusted Credit Compliance Partner | Active | San Francisco, CA, USA | 4 | Jessica Zhang | Reveal | |
Pierre | W23 | Pierre is a new, opinionated, git platform. | Active | San Francisco, CA, USA | 10 | Jacob Thornton, Ian Ownbey | Reveal | |
Pirros | W23 | Github for Construction | Active | Los Angeles, CA, USA | 44 | Ari Baranian, Peter Johann | Reveal | |
PlayAI | W23 | Our mission is to make Voice AI accessible and useful to all. | Acquired | Mountain View, CA, USA | 35 | Hammad Syed, Mahmoud felfel | Reveal | |
Plutis | W23 | — | Active | San Francisco, CA, USA | 2 | Kamil Ali, Asim Hirji | Reveal | |
Polo | W23 | Building restaurant software that works. | Active | Mexico City, CDMX, Mexico | 5 | Andres Richardson, Juan Chomali, Aldo Piaggio | Reveal | |
PoplarML | W23 | Deploy Machine Learning Models with One Command | Active | San Francisco, CA, USA | 2 | Danna Liu, Evan Chu | Reveal | |
Propexo | W23 | Plaid for Commercial Real Estate | Active | Boston, MA, USA | 6 | Nick Johnson, Ben Keller | Reveal | |
Reflex | W23 | The operating system for building mission-critical enterprise apps. | Active | San Francisco, CA, USA | 10 | Nikhil Rao, Alek Petuskey | Reveal | |
Relace | W23 | Models and infra for coding agents | Active | — | 7 | Preston Zhou, Eitan Borgnia | Reveal | |
Repacket | W23 | Employee security done for you. | Active | Vancouver, BC, Canada | 4 | Noah Stanford | Reveal | |
Resend | W23 | Email for developers | Active | — | 23 | Zeno Rocha, Bu Kinoshita | Reveal | |
Retape | W23 | AI workers for debt settlement | Active | — | 3 | Sahil Singla, Ankit Goyal, Shubham Rana | Reveal | |
rift | W23 | The sales platform built to help you focus | Active | San Francisco, CA, USA | 8 | Fil Twarowski, Edvard Eriksson | Reveal | |
Rivet | W23 | Open-Source alternative to Durable Objects | Active | San Francisco, CA, USA | 5 | Nicholas Kissel, Nathaniel Flurry | Reveal | |
Rollstack | W23 | Automate data-driven slide decks and documents with AI | Active | New York, NY, USA | 30 | Nabil Jallouli, Younes Jallouli | Reveal | |
Rubber Ducky Labs | W23 | AI Powered Product Discovery | Inactive | San Francisco, CA, USA | 2 | Alexandra Kissel, Georgia Hong | Reveal | |
Salient | W23 | AI Servicing for Auto Lenders | Active | San Francisco, CA, USA | 40 | Ari Malik, Mukund Tibrewala | Reveal | |
Sameday | W23 | The leading AI workforce for the trades. | Active | Lehi, UT, USA | 7 | Aaron Cooper | Reveal | |
Second | W23 | AI-Native Enterprise Codebase Maintenance | Inactive | — | 3 | Eric Rowell | Reveal | |
Serial | W23 | Root cause manufacturing issues in seconds | Inactive | San Francisco, CA, USA | 2 | Tak Alguire, Devon Copeland | Reveal | |
Sherloq | W23 | One place for all your queries, directly on your SQL editor | Active | Tel Aviv-Yafo, Israel | 6 | Noy Twerski, Nadav Gutman | Reveal | |
ShortLoop | W23 | Phone AI that Captures Every Dealership Revenue Opportunity | Active | San Francisco, CA, USA | 8 | Vishnu Vinjam, Sumit Mulchandani, Deepak Thakur | Reveal | |
Sirdab | W23 | Cloud warehousing & supply chain platform in MENA | Active | Riyadh Saudi Arabia | — | Naif Alzahri, Abdulrahman Alnamlah | Reveal | |
Skyhook | W23 | PaaS-like experience with the power of Kubernetes, on your cloud | Active | Tel Aviv-Yafo, Israel | 7 | Nadav Erell | Reveal | |
Social Radar | W23 | Social Radar is the best way to search for posts, people, and… | Active | San Francisco, CA, USA | 3 | Rohan Arora, Venkat Krishnan | Reveal | |
SpecCheck | W23 | Unifying how the optical industry does business. | Active | Los Angeles, CA, USA | 5 | Joe DeMaria, Arnold Villatoro | Reveal | |
Speedy Labs | W23 | Maximize profits with AI-powered rebate management. | Active | — | 8 | Jatin Mehta, Ranti Dev Sharma, Ayush Jasuja | Reveal | |
StackAI | W23 | The Enterprise AI Transformation Platform | Active | San Francisco, CA, USA | 55 | Toni Rosinol, Bernard Aceituno | Reveal | |
Streamstraight | W23 | The best way to stream LLM thinking traces to your frontend | Active | San Francisco, CA, USA | 1 | Hansen Qian | Reveal | |
Struct | W23 | Multi-lingual AI Voice Agents | Inactive | — | 3 | Fatma Akcay, Eamonn Gahan | Reveal | |
Suger | W23 | Salesforce for Cloud marketplaces on AWS, Azure, GCP | Active | San Francisco, CA, USA | 50 | Chengjun Yuan, Jon Yoo | Reveal | |
SuperAPI | W23 | Programmable API gateway that makes APIs cacheable | Active | Chennai, Tamil Nadu, India | 2 | Adithya Kavuluru | Reveal | |
Syncly | W23 | AI to auto-analyze all your customer communications | Active | San Francisco, CA, USA | 9 | Joseph Lee, Jongsoo Keum, Kwan Yoon | Reveal | |
TableFlow | W23 | AI Teammates for Data Tasks | Active | San Francisco, CA, USA | 2 | Mitch Patin, Eric Ciminelli | Reveal | |
Tennr | W23 | Fast, Transparent Patient Experiences | Active | New York, NY, USA | 135 | Trey Holterman, Diego Baugh, Tyler Johnson | Reveal | |
Texel.ai | W23 | Run AI pipelines 10x faster | Active | — | 2 | Rahul Sheth, Eli Semory | Reveal | |
Traceloop | W23 | Know what your LLM is doing — and why it’s failing | Active | Tel Aviv-Yafo, Israel | 9 | Nir Gazit, Gal Kleinman | Reveal | |
Trackstar | W23 | Plaid for supply chain logistics | Active | New York, NY, USA | 7 | Jeremy Schneck, Daniel Langer | Reveal | |
Trigger.dev | W23 | Build and deploy fully‑managed AI agents and workflows | Active | London, UK | 9 | Matt Aitken, Eric Allam, Dan Patel, James Ritchie | Reveal | |
Truewind | W23 | AI-Powered Accounting | Active | San Francisco, CA, USA | 30 | Alex Lee, Tennison Chan | Reveal | |
Turntable | W23 | AI-native operating system for analytics teams | Active | New York, NY, USA | 3 | Justin Leder, Ian Tracey | Reveal | |
Unify | W23 | Hire AI — Not APIs ✨ | Active | London, UK | 10 | Daniel Lenton | Reveal | |
Unstatiq | W23 | Single source of truth for your clinic's finances and supply chain. | Active | San Francisco, CA, USA | 2 | Sachin Jaishankar, Nish Singaraju | Reveal | |
Variance | W23 | AI Agents for Fraud Review and Investigations | Active | San Francisco, CA, USA | 8 | Karine Mellata, Michael Lin | Reveal | |
Variance | W23 | AI Agents for Fraud Review and Investigations | Active | San Francisco, CA, USA | 8 | Karine Mellata, Michael Lin | Reveal | |
Vector | W23 | Advertising for the new internet | Active | Boston, MA, USA | 20 | Joshua Perk, Nick Masters | Reveal | |
Vellum | W23 | The AI Product Development Platform | Active | New York, NY, USA | 23 | Akash Sharma, Sidd Seethepalli, Noa Flaherty | Reveal | |
Verata | W23 | Network Intelligence for Investors | Active | San Francisco, CA, USA | 2 | Nicholas Manske, Josh Gardner | 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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