San Francisco

YC Companies in San Francisco

1,500 Y Combinator startups based in San Francisco with verified founder contacts and company data.

1,500

Companies

San Francisco

Location

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Maive	W25	AI for Home Services	Active	San Francisco, CA, USA	2	David Tondreau, Will Cray	Reveal
Mecha Health	W25	Foundation models to automate x-ray analysis for radiologists	Active	San Francisco, CA, USA	4	Ahmed Abdulaal, Hugo Fry, Ayodeji Ijishakin, Nina Montaña Brown	Reveal
Mentra	W25	Building the open source smart glasses operating system.	Active	San Francisco, CA, USA	12	Cayden Pierce, Alexander Israelov	Reveal
Mosaic	W25	Agentic video editing	Active	San Francisco, CA, USA	3	Adish Jain, Kyle Wade	Reveal
Mundo AI	W25	High Quality Multilingual Training Data for AI Models	Active	San Francisco, CA, USA	4	Jason Liao, Naijide Anwaer, Garreth Lee, Kenneth Wu	Reveal
Oki	W25	Personalized Updates on Company Progress	Active	San Francisco, CA, USA	2	Luofei Chen, Aayush Tyagi	Reveal
Olive	W25	The context layer for your team	Active	San Francisco, CA, USA	2	Bardia Safari, Shrey Gupta	Reveal
Onlook	W25	Cursor for Designers	Active	San Francisco, CA, USA	2	Daniel Farrell	Reveal
Operand	W25	AI to run Business Strategy	Active	San Francisco, CA, USA	5	Ram Gorthi, Akhil Iyengar, Arjun Sahney	Reveal
Optifye.ai	W25	AI performance monitoring for factory workers	Active	San Francisco, CA, USA	3	Vivaan Baid, Kushal Mohta	Reveal
Outlit	W25	Account-level Customer Journey	Active	San Francisco, CA, USA	2	Josh Earle, Leo Paz	Reveal
Ovlo	W25	AI agents for supply chain workflow automation	Active	San Francisco, CA, USA	2	Andrew Malouf, Amer Eid	Reveal
Pickle	W25	Where your life context becomes understanding.	Active	San Francisco, CA, USA	15	Daniel Park, Sanio Jung, Emmett Kim, Ho Jin Yu	Reveal
Praxim	W25	The agentic AI Word editor	Active	San Francisco, CA, USA	2	Richie Hsiung, Frank Li	Reveal
Promptless	W25	An AI teammate that automatically updates your customer-facing docs	Active	San Francisco, CA, USA	5	Prithvi Ramakrishnan, Frances Liu	Reveal
Quantstruct	W25	AI documentation engineer – test & autoimprove stale product docs	Active	San Francisco, CA, USA	2	Sarthak Srinivas, Newman Hu	Reveal
Riviera	W25	AI Employees for Hotels	Active	San Francisco, CA, USA	2	Shaun Lane, Daniel Tyshler	Reveal
Roark	W25	Test, monitor, and improve your voice agents	Active	San Francisco, CA, USA	3	James Zammit, Daniel Gauci	Reveal
SalesPatriot	W25	We help defense firms win more contracts with the Pentagon	Active	San Francisco, CA, USA	13	Nelson Ray, Ben Rhodes-Kropf, Maciej Szymczyk	Reveal
Sennu AI	W25	AI Code Review for Salesforce Development	Active	San Francisco, CA, USA	2	Sriman Gaddam, Sukhjit Singh	Reveal
Solidroad	W25	AI agents for CX teams, starting with training and QA.	Active	San Francisco, CA, USA	6	Mark Hughes, Patrick Finlay	Reveal
Steinmetz	W25	Hardware for Electric Vehicles.	Active	San Francisco, CA, USA	2	Owen Brake, Ethan Childerhose	Reveal
Subtrace	W25	Zero code network tracer	Active	San Francisco, CA, USA	2	Adhityaa Chandrasekar, Sachin Sridhar	Reveal
superglue	W25	AI that fixes enterprise glue	Active	San Francisco, CA, USA	4	Adina Goerres, Stefan Faistenauer	Reveal
Swerve	W25	Chat with AI Characters	Active	San Francisco, CA, USA	2	Soroush Saryazdi, Jason Zhou	Reveal
TamLabs	W25	Cursor for Microsoft Word	Active	San Francisco, CA, USA	2	Joshua Doolan, Ben Doolan	Reveal
Tejas AI	W25	Risk Decisioning Platform for Banks	Active	San Francisco, CA, USA	2	Gaurav Luhariwala	Reveal
Tergle	W25	AI Agents for Audit	Active	San Francisco, CA, USA	—	Adam Bowen	Reveal
Toothy AI	W25	AI for insurance verification & billing at dental clinics	Active	San Francisco, CA, USA	15	Johnny Chen, Matt Kerrigan, Tejas Konduru	Reveal
Trace	W25	Voice AI Customer Support for Financial Services	Active	San Francisco, CA, USA	3	Saner Cakir, Kayla Lee	Reveal
TrainLoop	W25	Reasoning Fine-Tuning	Active	San Francisco, CA, USA	6	Jackson Stokes, Mason Pierce	Reveal
Trava	W25	AI agents for global trade compliance	Active	San Francisco, CA, USA	1	Pushkar Lanka	Reveal
Trim	W25	A foundation model for physics.	Active	San Francisco, CA, USA	3	Emanuel Gordis	Reveal
Truffle AI	W25	AWS for AI Agents	Active	San Francisco, CA, USA	2	Shaunak Srivastava, Rahul Karajgikar	Reveal
Tweeks.io	W25	Lovable for Chrome Plugins	Active	San Francisco, CA, USA	2	Jason Madeano, Matt Stallone	Reveal
Uncommon Therapeutics	W25	A Disease Focused Biotech, Building Multiple Billion Dollar Drugs	Active	San Francisco, CA, USA	2	Noah Auerhahn, Ryan Lim	Reveal
Verbiflow	W25	People search that works	Active	San Francisco, CA, USA	2	Kashyab Ambarani, Rishi Mahadevan	Reveal
Woz	W25	AI platform enabling anyone to build and scale software businesses	Active	San Francisco, CA, USA	6	Ben Collins, Brad Eckert	Reveal
Woz	W25	AI platform enabling anyone to build and scale software businesses	Active	San Francisco, CA, USA	6	Ben Collins, Brad Eckert	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
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
Arini	W24	AI receptionist for dentists	Active	San Francisco, CA, USA	17	Abdul Jamjoom, Rami Rustom	Reveal
Artisan	W24	AI employees called Artisans, starting with an AI BDR	Active	San Francisco, CA, USA	37	Jaspar Carmichael-Jack	Reveal