Active
Active YC Companies
5,056 Y Combinator companies with active status. Browse founder contacts, batch info, and company data.
5,056
Companies
Active
Status
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Naïve | X25 | Autonomous Company Infrastructure | Active | San Francisco, CA, USA | 8 | Sean Dorje, Dennis Zax | Reveal | |
nao Labs | X25 | Open Source Analytics Agent | Active | Paris, Île-de-France, France | 2 | Claire Gouze, Christophe Blefari | Reveal | |
Nimbic AI | X25 | Automatically write and update internal docs with every code commit. | Active | San Francisco, CA, USA | 3 | Akshath M, Ishan Khare, Ishan Mehta, Akshath M. | Reveal | |
NODI Energy | X25 | Distributed energy infrastructure unlocking grid power to data centers | Active | London, England, United Kingdom | 2 | Borong Hu | Reveal | |
Nomi | X25 | Realtime Sales Copilot | Active | Paris, Île-de-France, France; Remote | 5 | Swan Beaujard | Reveal | |
Novoflow | X25 | Computer-using agents for healthcare operations | Active | San Francisco, CA, USA | 6 | Mathieu Rihet, Georges Casassovici | Reveal | |
Opusense AI | X25 | AI for Field Inspection Reports | Active | Toronto, ON, Canada | 2 | Roya Cody, Michael Bacani | Reveal | |
Orchid | X25 | A personal EA in your iMessage | Active | San Francisco, CA, USA | 3 | Nizar Abi Zaher, Adam Wazzan | Reveal | |
Paper Instruments | X25 | Open-source frontier models for knowledge work | Active | San Francisco, CA, USA | 3 | Daanish Khazi, Gavin Bains, Joseph Besgen | Reveal | |
ParaQuery | X25 | Managed GPU-accelerated Spark + SQL at 2x speed and half the cost | Active | New York City, NY, USA; Remote | 1 | Win Wang | Reveal | |
Parsewise | X25 | Multi-document processing for your risk teams, AI agents, pipelines | Active | London, England, United Kingdom | 6 | Max Hofer, Greg Csegzi | Reveal | |
Pelica | X25 | AI agents for risk-bearing healthcare organizations | Active | San Francisco, CA, USA | 5 | Lalit Kundu, Catherine Zhao | Reveal | |
Photonium | X25 | AI-Powered Optical Consulting & Software | Active | New York City, NY, USA | 5 | Jennifer Song, Adam Mhatre | Reveal | |
Plexe | X25 | Open-source agents to build predictive ML models from a prompt | Active | London, England, United Kingdom | 2 | Vaibhav Dubey, Marcello De Bernardi | Reveal | |
Probo | X25 | We help you get compliant while you focus on your business. | Active | Paris, Île-de-France, France | 6 | Antoine Bouchardy, Bryan Frimin | Reveal | |
QFEX | X25 | 24/7 Global Stock Exchange | Active | London, England, United Kingdom | 14 | Annanay Kapila, Joshua Wharton | Reveal | |
QualGent | X25 | AI Mobile App Quality Assurance Tester | Active | San Francisco, CA, USA | 10 | Shivam Agrawal, Aaron Yu | Reveal | |
Refresh | X25 | Training gyms for computer use and software engineering work | Active | San Francisco, CA, USA | 8 | Christopher Settles, Erik Quintanilla | Reveal | |
Rimba | X25 | Streamlining Data Capture to Report Creation for Heavy Industries | Active | San Francisco, CA, USA | 4 | Timothy Daniel, Shiv Dixit | Reveal | |
RunRL | X25 | Reinforcement learning as a service | Active | San Francisco, CA, USA | 2 | Andrew Gritsevskiy | Reveal | |
Scalar Field | X25 | Your Agentic Trading Desk — Building the next era of agentic… | Active | — | 3 | Amandeep Singh, Ramakant Yadav | Reveal | |
sieve | X25 | AI + human review to solve data cleaning - accessible via API or Excel | Active | New York City, NY, USA | 2 | Nicole Lu | Reveal | |
Sim | X25 | The AI Workspace for Building and Managing AI Agents. | Active | San Francisco, CA, USA | 8 | Emir Karabeg, Waleed Latif | Reveal | |
Sixtyfour | X25 | Intelligence Infrastructure on People and Entities | Active | San Francisco, CA, USA | 12 | Saarth Shah, Christopher Price | Reveal | |
StarSling | X25 | Self-Driving CI: fast AI-native GitHub Actions runners | Active | San Francisco, CA, USA | 3 | Yonas Beshawred, Daniel Worku | Reveal | |
stratify | X25 | AI agents that help you understand your customers' needs | Active | San Francisco, CA, USA | 2 | Siddhartha Javvaji, Pratham Hombal | Reveal | |
Sygaldry Technologies | X25 | quantum-accelerated AI servers | Active | Ann Arbor, MI, USA | — | Chad Rigetti, Idalia Friedson | Reveal | |
Synthio Labs | X25 | Agentic AI platform for Pharma GTM teams | Active | San Francisco, CA, USA | 29 | Supreet Deshpande, Sahitya Sridhar, Rajashekar Vasantha | Reveal | |
Theorem | X25 | Program verification so even your systems engineers can vibecode | Active | San Francisco, CA, USA | 4 | Jason Gross, Rajashree Agrawal | Reveal | |
The Robot Learning Company | X25 | Tools for the next era of physical automation. | Active | BY, Germany | 1 | Jannik Grothusen | Reveal | |
Theta | X25 | Specialized AI for Every Job | Active | San Francisco, CA, USA | 7 | Rayan Garg, Tanmay Sharma, Gurvir Singh | Reveal | |
throxy | X25 | Vertical AI agents running B2B outbound on autopilot, with human SDRs | Active | London, England, United Kingdom | 55 | Bergen Merey, Arnau Ayerbe Garcia, Pablo Jimenez de Parga Ramos, Arnau Ayerbe Garcia | Reveal | |
Ticket Wallet | X25 | AI-optimized ticket resale | Active | New York City, NY, USA | 20 | Truman Gelnovatch, Ryan Clare | Reveal | |
Tinfoil | X25 | Encrypted AI with verifiable privacy | Active | San Francisco, CA, USA | 5 | Tanya Verma, Jules Drean, Sacha Servan-Schreiber | Reveal | |
Trapeze | X25 | AI-native Zocdoc | Active | New York City, NY, USA | 2 | Betty Chang, Christopher Chen | Reveal | |
Units | X25 | Units builds full-stack AI education infrastructure. | Active | San Francisco, CA, USA | 1 | Daniel Martinez | Reveal | |
Vassar Robotics | X25 | Open-source semi-humanoid dev kit → home data → autonomy → 20h/wk | Active | Los Angeles, CA, USA | 3 | Charles Yong | Reveal | |
Vesence | X25 | Cursor for Lawyers. Agentic AI in MS Office. | Active | Stockholm, Stockholm County, Sweden | 2 | Henrik Hansson, Ludvig Swanstrom | Reveal | |
Vision Lab | X25 | Industrial data layer for robotics training | Active | San Francisco, CA, USA | 11 | Tanachart (James) Kujareevanich, Zhichu Ren, Will Wenbo Zhang, James Kujareevanich | Reveal | |
VoiceOS | X25 | Say it and it's done. Voice is the new OS | Active | San Francisco, CA, USA | 2 | Jonah Daian, Kai Brokering | Reveal | |
Vybe | X25 | Secure internal apps. Built by AI in seconds. Powered by your data. | Active | San Francisco, CA, USA | 8 | Quang Hoang, Fabien Devos | Reveal | |
Waffle | X25 | Discover & Build AI Chatbots | Active | London, England, United Kingdom | 2 | Manuj Mishra, Diogo Valdivieso | Reveal | |
Willow | X25 | The voice interface replacing your keyboard | Active | San Francisco, CA, USA | 7 | Allan Guo, Lawrence Liu | Reveal | |
Zeon Systems | X25 | AI-powered robotics for scientific lab automation. | Active | San Francisco, CA, USA | 5 | Brontë Kolar, Tahir D'Mello | Reveal | |
14.ai | W24 | AI Customer Service Agency for Your B2C Business | Active | San Francisco, CA, USA | 3 | Marie Schneegans, Michael Fester | Reveal | |
Adapted | W24 | Helping athletes stay durable | Active | San Francisco, CA, USA | 2 | Albert Jo | Reveal | |
Aedilic | W24 | Open-Source AI-generated image/deepfake detection | Active | San Francisco, CA, USA | 2 | Nicholas Waltz, Lukas Schneider | Reveal | |
Aether | W24 | AI sales platform for home services | Active | San Francisco, CA, USA | 8 | Zayne Sagar, Shelby Bons | Reveal | |
Aftercare | W24 | Conversational AI surveys with intelligent follow-up questions | Active | San Francisco, CA, USA | 3 | Aidan Lee, Justin May, Anand Nanduri | Reveal | |
Agentic Labs | W24 | AI system design tools for dev teams | Active | New York City, NY, USA | 2 | Maksim Ivanov | Reveal |
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