San Francisco

YC Companies in San Francisco

2,672 Y Combinator startups based in San Francisco with verified founder contacts and company data.

2,672

Companies

San Francisco

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YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Den	X25	Make real life a video game	Active	San Francisco, CA, USA	2	Linus Talacko, Justin Lee	Reveal
Docket	X25	AI agents for web testing	Active	San Francisco, CA, USA	2	Nishant Hooda, Boris Skurikhin	Reveal
Eloquent AI	X25	The AI Operator for Financial Services	Active	San Francisco, CA, USA	5	Tugce Bulut, Aldo Lipani	Reveal
Foundation Industries	X25	We supply hard tech companies with critical components.	Active	San Francisco, CA, USA	5	Jakob Knudsen	Reveal
Frekil	X25	RWE Generation in minutes	Active	San Francisco, CA, USA	2	Nikhil Tiwari, Shivesh Gupta	Reveal
Galen AI	X25	Personal AI healthcare agent, powered by clinical and wearable data.	Acquired	San Francisco, CA, USA	2	Priyanka Shrestha, Viraj Mehta	Reveal
Golf	X25	Agentic AI Security and Governance	Active	San Francisco, CA, USA	1	Wojciech Błaszak, Antoni Gmitruk	Reveal
GroundControl	X25	Vertical AI for highly-regulated manufacturing	Active	San Francisco, CA, USA	8	Mehul Shah, Matthew Noseworthy, Nick Warren	Reveal
Human Behavior	X25	Understand your users beyond the numbers	Active	San Francisco, CA, USA	3	Amogh Chaturvedi	Reveal
Kaizen	X25	Automate anything on the web.	Active	San Francisco, CA, USA	6	Kenneth Acquah, Michael Silver	Reveal
Kanava AI	X25	Your First AI Sales Hire for Wholesale Distributors	Inactive	San Francisco, CA, USA	2	Smit Dagli, Vikhyath Mondreti	Reveal
Kashikoi	X25	Simulation Engine for Benchmarking AI Products	Active	San Francisco, CA, USA	2	Aaksha Meghawat	Reveal
Labric	X25	The data layer for scientific research	Active	San Francisco, CA, USA	2	Caitlin Hogan, Connor Hogan	Reveal
Minerva	X25	AI native accounting firm	Active	San Francisco, CA, USA	5	Peter Zhu, Om Agarwal	Reveal
Morphik	X25	AI workers for Skilled Nursing and Senior Living Operations	Active	San Francisco, CA, USA	2	Adityavardhan Agrawal, Arnav Agrawal	Reveal
Naïve	X25	Autonomous Company Infrastructure	Active	San Francisco, CA, USA	8	Sean Dorje, Dennis Zax	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
Novoflow	X25	Computer-using agents for healthcare operations	Active	San Francisco, CA, USA	6	Mathieu Rihet, Georges Casassovici	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
Pelica	X25	AI agents for risk-bearing healthcare organizations	Active	San Francisco, CA, USA	5	Lalit Kundu, Catherine Zhao	Reveal
Percival	X25	Accelerating data analysis for research	Inactive	San Francisco, CA, USA; Remote	3	Kevin Bi, David Zhu	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
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
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
Theta	X25	Specialized AI for Every Job	Active	San Francisco, CA, USA	7	Rayan Garg, Tanmay Sharma, Gurvir Singh	Reveal
Tinfoil	X25	Encrypted AI with verifiable privacy	Active	San Francisco, CA, USA	5	Tanya Verma, Jules Drean, Sacha Servan-Schreiber	Reveal
Units	X25	Units builds full-stack AI education infrastructure.	Active	San Francisco, CA, USA	1	Daniel Martinez	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
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
Abel	W24	Transforming document review for litigation teams	Inactive	San Francisco, CA, USA	2	Sean Safahi, Chenyu Li	Reveal
Abel	W24	Transforming document review for litigation teams	Inactive	San Francisco, CA, USA	2	Sean Safahi, Chenyu Li	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
Aidy	W24	Mobile app helping people better manage chronic health conditions	Active	San Francisco, CA, USA	2	Max Williamson, Peter Crocker, Greg Miller	Reveal
Alex	W24	Your AI recruiter for interviewing and identifying the best talent	Active	San Francisco, CA, USA	30	Aaron Wang, John Rytel	Reveal
Andon Labs	W24	Autonomous organizations without humans in the loop	Active	San Francisco, CA, USA	8	Lukas Petersson	Reveal