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 |
|---|---|---|---|---|---|---|---|---|
Cosine | W23 | Fully Agentic SWE | Active | London, UK | 12 | Alistair Pullen, Yang Li | Reveal | |
CreatorML | W23 | Foundation Model for Human Attention | Inactive | New York City, NY, USA | 6 | Charles Weill | Reveal | |
Credal.ai | W23 | The Control Plane for Enterprise Agents | Active | New York City, NY, USA | 14 | Ravin Thambapillai, Jack Fischer | Reveal | |
DAGWorks Inc. | W23 | Open source tools & services for reliable AI Agents & AI Applications | Acquired | San Francisco, CA, USA; Remote | 2 | Stefan Krawczyk, Elijah ben Izzy, Elijah ben Izzy | Reveal | |
DAGWorks Inc. | W23 | Open source tools & services for reliable AI Agents & AI Applications | Acquired | San Francisco, CA, USA | 2 | Stefan Krawczyk, Elijah ben Izzy | Reveal | |
Dashdive | W23 | Break down AI and cloud costs by feature and customer | Acquired | San Francisco, CA, USA | 2 | Micah Wheat, Adam Shugar | Reveal | |
DataSuite | W23 | Dataset Management for AI Trainers | Active | New York, NY, USA | 4 | Matthew Mirman | Reveal | |
Defer | W23 | Zero infrastructure background processing platform. | Inactive | Paris, Île-de-France, France | 2 | Charly Poly, Bryan Frimin | Reveal | |
Demospace | W23 | — | Inactive | — | 2 | Cole Cable, Nick Fiacco | Reveal | |
Demospace | W23 | — | Inactive | — | 2 | Cole Cable, Nick Fiacco | Reveal | |
Depot | W23 | Software delivery built for machine scale. | Active | Remote | 22 | Kyle Galbraith, Jacob Gillespie | Reveal | |
Designbase | W23 | Design and build great interfaces | Active | — | 3 | Alexandru Antihi, Ryan Xie | Reveal | |
Dill | W23 | Dill helps construction suppliers automate accounts receivable,… | Active | — | — | Catherine Jiang | Reveal | |
Double – Coding Copilot | W23 | AI coding copilot engineered for performance | Active | Redwood City, CA, USA | 2 | Wesley Yue | Reveal | |
DrDroid | W23 | Your best friend in production. | Active | Bengaluru, KA, India | 8 | Siddarth Jain, Dipesh Mittal | Reveal | |
Dream3D | W23 | We build tools to help humanity predict the future. | Active | New York City, NY, USA | 3 | Tony Francis | Reveal | |
Edge | W23 | The ultimate IP assistant. | Active | San Francisco, CA, USA; Remote | 2 | Evan Zimmerman, Len Boyette | Reveal | |
EdgeBit | W23 | Autofix your software dependencies | Acquired | San Francisco, CA, USA | 5 | Rob Szumski, Eugene Yakubovich | Reveal | |
Escape | W23 | Offensive security for the teams that are 100x outnumbered | Active | Paris, Île-de-France, France | 29 | Tristan Kalos, Antoine Carossio | Reveal | |
Extend | W23 | Production-ready document processing | Active | New York City, NY, USA | 25 | Kushal Byatnal, Eli Badgio, Carl Chouinard | Reveal | |
Extend | W23 | Production-ready document processing | Active | New York, NY, USA | 20 | Kushal Byatnal, Eli Badgio | Reveal | |
Fabius | W23 | AI to improve Sales Calls | Inactive | San Francisco, CA, USA | 2 | Neil Madsen, Andy Day, Andrew Day | Reveal | |
FactIQ | W23 | Data Explorer for the US Economy | Active | Singapore | 3 | Rishabh Srivastava, Medha Basu | Reveal | |
Fastgen | W23 | Webflow for the Backend | Active | New York City, NY, USA; Berlin, Berlin, Germany | 7 | Mike Mahlkow, David Nordhausen, Constantin Schreiber | Reveal | |
Fern | W23 | Instantly offer SDKs and API Docs | Acquired | New York City, NY, USA | 30 | Danny Sheridan, Deep Singhvi | Reveal | |
Fern | W23 | Instantly offer SDKs and API Docs | Acquired | New York, NY, USA | 30 | Danny Sheridan, Deep Singhvi | Reveal | |
Finta | W23 | Magically simplify accounting and taxes | Active | San Francisco, CA, USA | 2 | Andy Wang | Reveal | |
Fintool | W23 | Financial copilot for institutional investors | Acquired | San Francisco, CA, USA | 6 | Nicolas Bustamante, Edouard Godfrey | Reveal | |
Fintool | W23 | Financial copilot for institutional investors | Active | San Francisco, CA, USA | 6 | Nicolas Bustamante, Edouard Godfrey | Reveal | |
FlexDesk | W23 | AI Agents for corporate real estate teams | Active | New York City, NY, USA; Remote | 8 | Clark Jacobs, Dhanvi Reddy | Reveal | |
FlexDesk | W23 | AI Agents for corporate real estate teams | Active | New York, NY, USA | 8 | Clark Jacobs, Dhanvi Reddy | Reveal | |
FlexWash | W23 | The operating system for the car wash industry. | Active | Temecula, CA, USA | 2 | Karan Toor, Chirag Toor, Chirag Singh Toor | Reveal | |
FlexWash | W23 | The operating system for the car wash industry. | Active | Temecula, CA, USA | 2 | Karan Toor, Chirag Toor | Reveal | |
Flower | W23 | Train AI on distributed data | Active | Remote | 20 | Daniel J. Beutel, Nic Lane, Taner Topal, Daniel Beutel | Reveal | |
Floworks | W23 | Hire the best AI Sales employees | AI SDR | AI RevOps | AI EA | Active | Bengaluru, KA, India | 20 | Sarthak Shrivastava, Sudipta Biswas | Reveal | |
Frigade | W23 | AI-powered product assistance for modern software teams | Active | San Francisco, CA, USA | 4 | Eric Brownrout, Christian Mathiesen | Reveal | |
Gluetrail | W23 | Create step by step articles with screenshots and videos 10x faster | Inactive | Paris, Île-de-France, France; Remote | 2 | Anne-Charlotte Chauvet, Baptiste Coquelle | Reveal | |
Gluetrail | W23 | Create step by step articles with screenshots and videos 10x faster | Active | Paris, France | 2 | Anne-Charlotte Chauvet, Baptiste Coquelle | Reveal | |
GoodCourse | W23 | The TikTok style corporate training platform | Inactive | London, England, United Kingdom | 8 | Chris Mansfield, Omar Mughal | Reveal | |
GoodCourse | W23 | The TikTok style corporate training platform | Inactive | London, UK | 8 | Chris Mansfield, Omar Mughal | Reveal | |
Hammr | W23 | Rippling for the Construction Industry | Active | San Francisco, CA, USA | 10 | Brek Goin, Sanket Firodiya | Reveal | |
Hammr | W23 | Rippling for the Construction Industry | Active | San Francisco, CA, USA | 10 | Brek Goin, Sanket Firodiya | Reveal | |
Helicone | W23 | LLM Observability for Developers | Acquired | San Francisco, CA, USA | 5 | Justin Torre, Barak Oshri, Scott Nguyen | Reveal | |
Helicone | W23 | LLM Observability for Developers | Active | San Francisco – Oakland Bay Bridge, San Francisco – Oakland Bay Bridge, San Francisco, CA, USA | 5 | Justin Torre | Reveal | |
highlight.io | W23 | The open source, fullstack monitoring platform: stop guessing why… | Acquired | Seattle, WA, USA; Remote | 8 | Jay Khatri, Vadim Korolik, Nathaniel Emodi | Reveal | |
highlight.io | W23 | The open source, fullstack monitoring platform: stop guessing why… | Acquired | Seattle, WA, USA | 8 | Jay Khatri, Vadim Korolik | Reveal | |
Hindsight | W23 | Deal Intelligence and Sales Coaching Platform | Active | New York City, NY, USA | 3 | Ani Gottiparthy | Reveal | |
Hindsight | W23 | Deal Intelligence and Sales Coaching Platform | Active | New York, NY, USA | 3 | Ani Gottiparthy | Reveal | |
Hona | W23 | Personal Injury Legal Work - Automated | Active | Orem, UT, USA | 32 | Josh Christensen, Matt McClellan, Joshua Christensen | Reveal | |
Honeydew | W23 | The home for shared data logic | Active | Tel Aviv-Yafo, Israel | 6 | David Krakov, Baruch Oxman, Liron Slonimsky-Shemy | 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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